/215 37 Operative Dentistry I Preparation (Dr. Khov Sok) 1 / 215 1) Carious process Within Dentine, Carious process αααααααααα Dentine ααΊα αΆααααααΎα ααΆα: a. ααΆααα’ααααΆαααΎ b. ααΆαααα αα ααΆαααα ααΎ Occlusal and Smooth Surfaces c. ααΆααααααΆαα ααααα α£ αα·ααΆααΈααΆαααΎα αααα αα d. α’ααααΆααααΆα αααα αααα 2 / 215 2) Erosion affected area ( αααααααααααα αααααΆαα ) : a. Buccal surfaces of lower molars b. Labial/palatal surfaces maxillary anteriors, c. Occlusal surfaces of lower molars d. ααΆααα’ααααΆαααΎ 3 / 215 3) Streptococcus mutans ααΊααΆ microorganism ααααααααααΆααααα αααα»αααΆααααααΎαα’ααααΆα dental caries αααααααΌαααΆαα α ααΆ : a. Chief of attrition b. Chief of erosion c. Chief etiological agent in dental caries d. ααΆααα’ααααΆαααΎ 4 / 215 4) Indication for the use of fluoride mouthwash are: a. Patients with developing root caries b. ααΆααα’ααααααΌα c. Patients β₯ 8 years with high caries activity d. Patients with orthodontic appliances + dry mouth (xerostomia) 5 / 215 5) Tetracycline Stain ααααα·αααΎ antibiotic taken by children < 12years: a. permanent and deciduous teeth affected b. deciduous teeth affected c. ααΆααα’ααααΆαααΎ d. permanent teeth affected 6 / 215 6) Restoration αα·αααααΉαααααααααα ααΎ form, function, strength, and esthetic, ααα»ααααααα ααααΌααα·ααα ααΎα ααα»α ααααΆαααα½ααααααΊ: a. αααααΆαα·αα’ααααΌα ααΆααααααααααΆααααΌαααααααααα b. αααααΆαα·αα’ααααΌα ααΆααααααααααααα c. αααααΆαα·αα’ααααΌα ααΆααααααΉαααααα d. αααααΆαα·αα’ααααΌα ααΆααααααΆαα·ααΆαα»ααα·αααααα 7 / 215 7) Class II, carious lesions on: a. Proximal surfaces of posterior teeth b. Occlusal surfaces of posterior teeth c. Buccal or and lingual of posterior teeth d. Proximal surfaces of anterior teeth 8 / 215 8) What precaution should be taken, Rubber dam should be placed for: a. Composite filling b. Amalgam filling c. ααΆααααΈαααΆαααΎ d. Infection control 9 / 215 9) Erosion ααΌαα ααα»αααααΆα ααααΈ : a. α’αΆαααΈα ααΆααααα»ααααα½αααΊ Gastro-oesophageal reflux disease (GORD) + hard tooth brushing (αα»αααααα ααααΆααααα) b. α’αΆαααΈαααααΈ αααα αααα½α (α αααΈα’αΆα αΆα) + α’αΆαααΈα ααΆααααα»ααααα½αααΊ Gastro-oesophageal reflux disease (GORD) c. α’αΆαααΈαααααΈ αααα αααα½α (α αααΈα’αΆα αΆα) + hard tooth brushing (αα»αααααα ααααΆααααα) d. hard tooth brushing (αα»αααααα ααααΆααααα) 10 / 215 10) Attrition affected area ( αααααααααααα αααααΆαα ) : a. Palatal surfaces b. Occlusal or incisal surface c. ααΆααα’ααααΆαααΎ d. Buccally at cervical margin 11 / 215 11) Restorative materials α ααα ααααΆ α’ ααααααααΊ: a. ααΆααα’ααααΆαααΎ b. Surgery material + endodontic material c. Temporary restorative materials + Permanent restorative materials d. Prosthodontic material + orthodontic material 12 / 215 12) Bi-wing technique is to find: a. Carie class V b. Carie class I c. Carie class II d. Carie class III 13 / 215 13) Liner, they act as cavity sealers and may have the additional therapeutic benefits of: a. Antibacterial properties b. ααΆααα’ααααΆαααΎ c. Fluoride release d. Adhesion to tooth structure 14 / 215 14) Abrasion affected area ( αααααααααααα αααααΆαα ) : a. Buccally at cervical margin b. Palatal surfaces c. Occlusal or incisal surface d. ααΆααα’ααααΆαααΎ 15 / 215 15) Role of Calcium Hydroxide: a. The high pH of the CH will neutralize acid + Kill bacteria and stimulate formation of reparative dentin b. ααΆααα’ααααααΌα c. Used as cavity linning + It served as blocking dentin tubules d. Protection of pulp against chemical irritation of non-metallic fillings 16 / 215 16) Disadvantage of detectable explorer : a. Can fill the cavityα’ααααΆααααΆαααΆαααα αα b. Transfer bacteria from the tip of explorer to other uninfected pits and fissure c. ααΆααα’ααααΆαααΎ d. Can kill the bacteria 17 / 215 17) Indirect restorative materials: a. Crown (Veneers, porcelain fused to metal, zirconia) b. Amalgam c. Inlay, Onlay (gold, composite resin, porcelain) βand Crown (Veneers, porcelain fused to metal, zirconia) d. Inlay, Onlay (gold, composite resin, porcelain) 18 / 215 18) Materials Used in indirect pulp capping: a. Zinc Oxide Eugenol b. Glass ionomer c. Calcium Hydroxide d. ααΆααα’ααααΆαααΎ 19 / 215 19) Standard care(non-operative therapy)- low risk caries: a. ααΆααα’ααααΆαααΎ b. Plaque control and Oral hygiene instruction c. Dietary modification d. Use of fluoride 20 / 215 20) Operative dentistry to restores damaged and defective teeth in order to maintain: a. Form and function b. Form and esthetic c. Function and esthetic d. Form, function and esthetic 21 / 215 21) αα αααα»α Visual methods , 3 ααΆααααααΆ: a. No enamel breakdown in opaque or discolored enamel and/or dark brown discoloration from the underlying enamel b. No dentin breakdown in opaque or discolored enamel and/or dark brown discoloration from the underlying dentin c. Localized dentin breakdown in opaque or discolored enamel and/or dark brown discoloration from the underlying dentin d. Localized enamel breakdown in opaque or discolored enamel and/or dark brown discoloration from the underlying enamel 22 / 215 22) Dentist most preferable sitting position is : a. RIGHT REAR POSITION (11 O'CLOCK) b. RIGHT FRONT POSITION (7 O'CLOCK) c. RIGHT POSITION (9 O 'CLOCK) d. DIRECT REAR POSITION (12 O'CLOCK) 23 / 215 23) αα αααα»α Visual methods , 4 ααΆααααααΆ: a. No cavitation in opaque or no discolored enamel exposing the dentine beneath b. Cavitation in opaque or discolored enamel exposing the dentine beneath c. avitation in opaque or discolored and no enamel exposing or no dentine damage in beneath d. No cavitation at all 24 / 215 24) Bruxism commonly cause by: a. habit, b. Complex neuromuscular activity and Stress c. Clenching d. ααΆααα’ααααΆαααΎ 25 / 215 25) Active Care β high risk caries ααΆα: a. Decontamination procedures b. Decontamination procedures αα·α Demineralization procedures c. Decontamination procedures αα·α Remineralization procedures d. Remineralization procedures 26 / 215 26) Prognosis αααα»αααααΈ ααααα»ααααααααααΆααααΆαααααΌα (early caries) ααΎαα’αΆα ααααααα’αααααααΊα’ααααααΎαααΎα: a. ααΆααααααα Amalgam b. ααΆααα’ααααΆαααΎ c. ααΆααααααα Composite d. ααΆαααααΆααΆααααααααΆα(preventive treatment plan) 27 / 215 27) αα αααα»α components of the dental exam, Intra-oral Examination ααααΌααα·αα·ααα: a. Examination of the periodontal tissue b. Examination of the teeth + Soft Tissue c. Radiographs d. ααΆααα’ααααΆαααΎ 28 / 215 28) The pH α’αΆα ααααΎααααα αΌαααα α¦α ααΆααΈ ααΎααααΈαααααααα ααααααΆαα·α ααααα·αααΎααΆααααα½α ααΈ α ααααααα’αΆαααααααΉαααΆαα (buffering capacity of saliva ) αα·αααΆααα»αααααααααααααΆααα»αααααααααααΆαααΆαα· Fluoride αααααα α ααΆ: a. ααΆααα’ααααΆαααΎ b. Demineralization c. Forming of organic acid d. Remineralization 29 / 215 29) The following are the indications of operative dentistry, except: a. Root fracture b. Caries; malformed, discolored, c. Restoration replacement or repair. d. Non-esthetic, or fractured teeth; 30 / 215 30) ααΌαα ααα»αααααΆαα’ααααΆα Dental Trauma: a. αα½αααααΆαα αα·α ααα½ααααααΆαααΈα‘αΆαααααα α¬ ααΆααααααααα b. ααΆααα’ααααΆαααΎ c. αααααααααΆααα ααΆα ααα αα·α ααα½ααα ααα epilepsy ααααΎαα»ααα d. ααααα»ααΉααα»αα α αα·α ααΆααααααΆ 31 / 215 31) The ideal base material is a thermal insulator, non-toxic, cariostatic, has: a. Is strong enough to withstand the forces of amalgam condensation and masticatory forces b. Persistent antibacterial properties c. Is able to stimulate reparative dentine formation d. ααΆααα’ααααΆαααΎ 32 / 215 32) Standard care(non-operative therapy)- low risk caries, use of fluoride from : a. Tablets , dentifrice b. Mouth rinses, varnish c. ααΆααα’ααααΆαααΎ d. Tooth paste, fluoride drops 33 / 215 33) αα αααα»α Dental trauma, enamel-dentin pulp fracture percussion test : a. If tenderness is observed evaluate tooth for a possible luxation or root fracture injury b. ααΆααααΈαααΆαααΎ c. Not tender d. Lack of response at initial examination indicates an increased risk of later pulpal necrosis 34 / 215 34) Operative dentistry is the art and science of: a. Prognosis of defects of teeth b. All are correct c. The diagnosis, d. Treatment, 35 / 215 35) αααααΉαααα’αααα ααΎ History and Examination ααΎαα αΆααααααΆααα’αααΈ Caries activity/risk status ααΌα ααΆα ααααα: a. Caries active/high risk b. ααΆααα’ααααΆαααΎ c. Caries inactive/low risk + Caries active/high risk d. Caries inactive/low risk 36 / 215 36) Carious pulp exposure, The cavity ααααααΈαααΆααααααααΏααααααΆααα : a. ααΉαααααααα»ααα»α b. enamel αα·α ααααααΆαααααα enamel αα»ααααααα»ααα»α c. ααΆααα’ααααΆαααΎ d. Dentine αα»ααα»α 37 / 215 37) Bases have few benefits and make the restoration more prone to: a. Fracture b. ααΆααα’ααααΆαααΎ c. Dental caries d. Periodontitis 38 / 215 38) Caries-infected dentine ααααΈααααααααααααα·αααααΌα αααααααα ααα : a. Enamel α’αΆα ααααΆααααααα ααΎαααΆα α¬ ααΆα cavity ααααααα αα·ααα»ααα»αααααΆαα b. Pulp chamber α’αΆα ααααΆααααααα ααΎαααΆα α¬ ααΆα cavity ααααααα αα·ααα»ααα»αααααΆαα c. Dentin α’αΆα ααααΆααααααα ααΎαααΆα α¬ ααΆα cavity ααααααα αα·ααα»ααα»αααααΆααααααααααα d. ααΆααα’ααααΆαααΎ 39 / 215 39) αα αααα»α components of the dental exam, Extra-oral Examination ααααΌααα·αα·ααα: a. TMJ + Eyes b. Neck (Lymph node) c. Face d. TMJ + Eyes + Face + Neck (Lymph node) 40 / 215 40) Restoration ααΊααΆ: a. ααΆααα’ααααΆαααΎ b. ααααααααΎαααα½α αα·α ααααααααΎααααααααααααααααααΆαααααΆαα c. ααααααααΎααΎααααΈααααΆααΆαααααααΉαααααα d. ααααααααΎαααα½α αα·α αααααααααααααααααααΆααααα 41 / 215 41) Class III, carious lesions on: a. Proximal surfaces including incisal edges of anterior teeth b. Proximal surfaces of anterior teeth c. Proximal surfaces but not including incisal edges of anterior teeth d. Proximal surfaces of posterior teeth 42 / 215 42) Direct Pulp Capping, failure is due to remaining : a. Absence of exposure b. Bacteria or exposure to new bacteria from leakage c. Absence of chlorhexidine d. ααΆααα’ααααΆαααΎ 43 / 215 43) αα αααα»α components of the dental exam, Soft Tissue Examination ααααΌααα·αα·ααα: a. Cheeks + mucosa b. Lips + palate + tonsil area c. Tongue and floor of the mouth d. ααΆααα’ααααΆαααΎ 44 / 215 44) Diagnosis: a. ααΆααα’ααααΆαααΎ b. ααΊααΆααΆαααααΆααααααααααααααΊ c. ααααααααααααααααααα·αααΆ d. ααα’ααααΎαααΌαααΈααΆααααΌα ααΆα, ααΈαααΆαααΆααααααΆ 45 / 215 45) Erosion is a loss of dental hard tissue as a result of : a. αα½αααααα·α ααααΆαα b. Bacteria c. Chemical process not involving bacteria d. Tooth to tooth contact 46 / 215 46) Sealer, It has been showed that the application of the same mechanism allows desensitising agents to be equally effective in preventing: a. Amalgam fracture b. Postoperative sensitivity c. Composite fracture d. ααΆααα’ααααΆαααΎ 47 / 215 47) Enamel Hypoplasia also caused by: a. hypomineralize during teeth formation on fetal development or early childhood(0-2 years) b. hypermineralize during teeth formation on fetal development or early childhood(0-2 years) c. ααΆααα’ααααΆαααΎ d. hypomineralize during teeth formation kid(4-6 years) 48 / 215 48) Caries-infected dentine ααααΆααααΆαααα ααΎαααααΌαααΆαααα ααα’ααα’αα αα αα»ααααααα ααΎααααΈαααααΆα : a. αα»αα’αααααααΆααααα α’ααα αΆα b. αα»αα’αααααααΆαα αααααΆα αααααα’α·αααααααααΆαααα c. αα»αα’αααααααΆααααα Occlusion d. ααΆααα’ααααΆαααΎ 49 / 215 49) Erosion affected area: a. Only palatal surface b. Only Buccal surface c. Only occlusal surface d. Labial/palatal surfaces maxillary anteriors, occlusal/buccal surfaces of lower molars 50 / 215 50) ααΌαα ααα» Pathological αααα Toothwear : a. Erosion +Abrasion + Dental Caries b. Erosion + Abrasion + Traumatism c. Erosion + Abrasion + Fluorosis d. Erosion + Abrasion + Attrition 51 / 215 51) Carious pulp exposure, ααααα·αααΎ Carious process αα·αααααΌαααΆααααααααΆαα α¬ ααααΆααΆαα’ααααΆαααααΉαααααΌαααΆααααααΆααα αα½αααΆααααΆαααΆαααα’αΆα αα·α ααααα·αααααΆααααααΆααα»αααΆααααααααΆαα ααΆαααΆαααΆααα ααΆααααα»ααα αα»ααααα : a. ααΆααα’ααααΆαααΎ b. carious lesion α αΌααααααα αααα dentine-pulp c. carious lesion α αΌααααααα αααα CEJ d. carious lesion α αΌααααααα αααα enamel-dentine 52 / 215 52) Caries active/high risk ααααΌαααΆαααΆα αΆαααΆα ααα : a. Pulp capping b. Caries control ααΎααααΈαααααααΌα risk factors c. ααΆααα’ααααΆαααΎ d. ααΆα cavity 53 / 215 53) Which the following is a main function of rubber dam?: a. Reduce patient communication b. Improved vision c. Reduce contamination d. Isolate the operation site 54 / 215 54) Materials Used in direct pulp capping: a. ZOE b. ααΆααα’ααααΆαααΎ c. Mineral Trioxide Aggregate (MTA) d. Calcium Hydroxide + GIC 55 / 215 55) The Carious Process Lesion Within Enamel, Clinical Manifestation ααΊ ααΆααααααα αα ααααααααααΈαα·αααΆα: a. αα·αααΆα αααααΎ αααααααΆαα ααααΎαααΎαααα b. ααΆααααααΆα αααα αααα αααα’αΆαααα»αα c. ααΆααααα αααα ααααααα d. ααααααα ααΆαααααααααααα αα·α αααα»α 56 / 215 56) What is the main prevention of dental caries?: a. Regular cleansing b. Brushing c. Fluoride d. Oral hygiene 57 / 215 57) αα αααα»α Dental trauma, luxation : a. Fractures of supporting alveolus may occur b. Tooth is displaced in lingual or lateral direction c. Tooth is displaced in a labial d. ααΆααα’ααααΆαααΎ 58 / 215 58) Definition of direct pulp capping: a. ααΆααα’ααααΆαααΎ b. The cavity is sealed with a bactericidal agent c. It is a procedure in which only the infected dentin caries is removed d. Techniques for treating a pulp exposure with a material that seal over the exposure site and promote the reparative dentin formation with maintaining pulp vitality 59 / 215 59) Dental trauma α’αΆα αααααΆααααα : a. Dental tissue b. Pulp c. Only teeth d. ααΆααααΈαααΆαααΎ 60 / 215 60) Fluorosis caused by : a. Excessive fluoride intake b. Excessive calcium intake c. Excessive phosphate intake d. Excessive sugar intake 61 / 215 61) Class I, carious lesions on: a. All are correct b. Lingual surface of anterior teeth c. Occlusal surface of posterior teeth d. Buccal or and lingual surfaces of posterior teeth 62 / 215 62) Carious process αααααααααα Dentine α’αααααααΊ α’αΆα α αΆααααααΎαααα½αααΌαααΆαααΎαα‘αΎαααααΌααα Acute Pulpitis αααααΆαα’αα : a. ααΆααα’ααααΆαααΎ b. αα·αααΆα ααααααααΌα αααααααα αααααΆαα αα·α ααα’αααα ααΊα αΆααααα c. ααΆαααΆαααΊα αΆαα αα½αααααα 2β3 αα·ααΆααΈαα ααα αααααααΌααααα αααα αααααΆαα αα·α ααα’αα ααΌα ααΆαααα αα·αααααΆα α d. ααΆαααΆαααΊα αΆαα ααΆαααα αΌα αα ααααααααααΌα αααααααα αααααΆαα αα·α ααα’αα 63 / 215 63) Class VI, carious lesions on: a. Proximal surfaces of posterior teeth b. Incisal edges of anterior teeth c. Cusp tip of posterior teeth d. Occlusal surfaces of posterior teeth 64 / 215 64) αα αααα»α components of the dental exam, Soft Tissue Examination, The purpose of this part of the examination is to: a. Detect dental caries b. Detect tooth wear c. Detect hypoplasia d. Detect any abnormalities in the head and neck area of a patient 65 / 215 65) αααα»αααααΈα’ααααΆα Carious Lesion, Fiber Optic Transillumination ααΉααααα αΆαααΆααΌαααΆα: a. Darken shadow b. ααΆααα’ααααΆαααΎ c. No shadow d. Totally no light 66 / 215 66) αα αααα»α Dental trauma, enamel-dentin pulp fracture radiographs : a. Periapical b. Occlusal c. ααΆααα’ααααΆαααΎ d. Recommended to rule out displacement or possible presence of luxation or root fracture 67 / 215 67) Tetracycline Stain Caused by : a. Broad spectrum of antibiotic esp. Tetracycline b. Excessive calcium c. ααΆααα’ααααΆαααΎ d. Excessive fluoride 68 / 215 68) Abrasion ααΌαα ααα»αααααΆα ααααΈ: a. α’αΆαααΈαααααΈ αααα αααα½α (α αααΈα’αΆα αΆα) b. α’αΆαααΈα ααΆααααα»α αααα½αααΊ Gastro-oesophageal reflux disease (GORD) c. Occlusal tooth-tooth contact d. Hard tooth brushing (αα»αααααα ααααΆααααα) 69 / 215 69) ααΆαααααααΆα ααααααααααααα α’αΆα αααααΆα ααααΈααΌαα ααα» α ααα ααα»ααααΆααααΆα: a. α₯ b. α£ c. α€ d. α¦ 70 / 215 70) αα αααα»α Visual methods , 0 ααΆααααααΆ: a. Big change in enamel translucency after prolonged air-drying b. No or slight changes in enamel translucency after prolonged air-drying c. No or slight changes in dentin translucency after prolonged air-drying d. No or slight changes in enamel translucency with no air-drying 71 / 215 71) The Class II cavity preparation is done in: a. 2 stages b. 4 stages c. 3 stages d. 1 stage 72 / 215 72) Tetracycline Stain Caused by : a. Dark, grey and affected incisial b. Dark, grey and affected all teethbroad c. Dark, grey and affected posterior teeth d. Dark, grey and affected occlusal surface 73 / 215 73) Dental trauma ααααΌαααΆαααααΆααΆα α¬ αααααααααααααΆαααΆαααΆαααααΆαα ααΎααααΈ : a. ααΆααα’ααααΆαααΎ b. αααααααΆαα‘αΎααα·α c. αααααααΆαααΊα αΆαα d. αααα ααα»αααΆα 74 / 215 74) Dental caries can be diagnosed: a. All are correct b. During intra-oral examination c. When the carious lesion progress d. At chair-side examination 75 / 215 75) α αΌαααα αααΎαααΆαααααα ααααα·αααα αα αααα»α Diagnosis and Detection of Dental Caries : a. Detectable explorer b. Radiographs c. Access cavity d. Fiber Optic Transillumination 76 / 215 76) Toothwear ααΊααΆααΆαααΆαααααααααααααααααα: a. ααααα·αα’αΆα αα»ααααα·αααΆα b. ααααα»ααααα·ααα αααααααα c. αααα½αααααααααααΈ ααΉα αα»ααααα·α d. ααΆααα’ααααΆαααΎ 77 / 215 77) Recording of dental examination : a. Tooth diagrams, numbering systems, and color coding b. ααΆααα’ααααΆαααΎ c. Cavity classifications + Charting symbols d. Abbreviations of tooth surfaces + Abbreviations of treatments 78 / 215 78) RIGHT REAR POSITION (11 O’CLOCK), working areas include: a. OCCLUSAL SURFACES OF MANDIBULAR RIGHT POSTERIOR TEETH b. FACIAL SURFACES OF MANDIBULAR RIGHT POSTERIOR TEETH c. FACIAL SURFACES OF MAXILLARY RIGHT POSTERIOR TEETH d. PALATAL AND INCISAL (OCCLUSAL) SURFACES OF MAXILLARY TEETH + MANDIBULAR TEETH (DIRECT VISION). 79 / 215 79) The advantage of rubber dam: a. Prevention of bacteria b. All are correct c. Airway protection d. Reduce contamination 80 / 215 80) Microorganism ααααααααααΆααα αα αααα»αααΆααααααΎα α’ααααΆα dental caries ααΊ : a. Lactobacillus acidophilus b. Streptococcus mutan c. Lactobacillus salivarius d. Streptococcus sobrinus 81 / 215 81) The pH α’αΆα ααααΎααααα αΌαααα α¦α ααΆααΈ ααΎααααΈαααααααα ααααααΆαα·α ααααα·αααΎααΆααααα½α ααΈ: a. α ααααααα’αΆαααααααΉαααΆαα (buffering capacity of saliva ) αα·αααΆααα»αααααααααααααΆααα»αααααααααααΆαααΆαα· Fluoride b. Bacteria αα·αααΆααα»αααααααααααααΆααα»αααααααααααΆαααΆαα· Fluoride c. ααΉαα’ααα·α αα·αααΆααα»αααααααααααααΆααα»αααααααααααΆαααΆαα· Fluoride d. ααΆααα’ααααΆαααΎ 82 / 215 82) Vital pulp therapy aims to treat: a. ααΆααα’ααααΆαααΎ b. Function c. Reversible pulpal injury d. Maintain pulp vitality 83 / 215 83) Toothwear α’αΆα αααααΆαααααΈ : a. Pathological αααα’αΆα ααααααΆααααααααααααααααΏα b. ααΆααααΈαααΆαααΎ c. Physiological ααααα·ααααααααΊαα ααΆαααααααΆαα·αα ααΆαα’αΆαα»ααΆαααααααα»ααα d. Bacteria 84 / 215 84) αα αααα»α Dental trauma, enamel-dentin pulp fracture sensibility test : a. Usually positive b. ααΆααα’ααααΆαααΎ c. Test is important in assessing risk of future healing complications d. Lack of response at initial examination indicates an increased risk of later pulpal necrosis 85 / 215 85) Liners may not have sufficient thickness or strength to be used: a. Alone in deep preparations b. ααΆααα’ααααΆαααΎ c. Alone in amalgam filling d. Class 4 composite filling 86 / 215 86) Enamel Hypoplasia appear as: a. Chalky white or brown spot on the teeth b. Translucent white or white spot on the teeth c. Translucent white or black spot on the teeth d. Translucent white or brown spot on the teeth 87 / 215 87) Visual methods: a. Magnification loupes b. Detection of white spot c. Discoloration d. ααΆααα’ααααΆαααΎ 88 / 215 88) αα αααα»α components of the dental exam, General History ααααΌααααααααΆ: a. Major Complaint b. ααΆααα’ααααΆαααΎ c. Systemic Diseases d. Name + Age + Address 89 / 215 89) Disadvantage of detectable explorer : a. ααΆααα’ααααΆαααΎ b. Can kill the bacteria c. Too sharp explorer is contraindicated as they can cause fracture and cavitation d. Can fill the cavityα’ααααΆααααΆαααΆαααα αα 90 / 215 90) Dental caries ααΊααΆ: a. ααααΊ microbial b. ααααΊααΎαα‘αΎααααααΆαα’αΆαααΈαααααα c. ααααΊααΎααααααΆααααααΌα d. ααααΊααΎαα‘αΎααααααΆααα»ααααααααααΆαα 91 / 215 91) ααΎαα ααα»ααααΆααα·αααααααααα Caries: a. Plaque, tooth, diet and time b. Carbohydrate, tooth, diet and time c. Bacteria, tooth, diet and time d. Carbohydrate, biofilm, tooth and time 92 / 215 92) Which the following is not a treatment result in the restoration?: a. Proper tooth form, b. Esthetics c. Function, d. Un-esthetics 93 / 215 93) The Carious Process Lesion Within EDJ, Carious process α’αΆα ααααααα EDJ αα»αααααα ααΎαααΆCavitation ααΆαααΆαααααααα ααΆααααααααααΈαα·αα ααα»ααααααΎαααααα ααΎαααΆαααα : a. αααα»α ( Translucent) b. ααααα (brown) c. α αααα’αΆαα (chalky white) d. αααα ααααΆαα (deep black) 94 / 215 94) Indirect restorations may require: a. ααΆααα’ααααΆαααΎ b. 2 or more visits c. ααΆααα’ααΆαααΎ d. 1 visit 95 / 215 95) Indirect pulp capping, when done correctly, are more successful at maintaining: a. Periodontal tissue b. Long-term vitality than direct pulp capping c. ααΆααααΈαααΆαααΎ d. Short-term vitality than direct pulp capping 96 / 215 96) Caries-affected dentine: a. ααααΆααααΆααα»α αααα bacteria αα·α ααΆα b. Dentine Tubular Structure α αΆααααααΎαααΆα αααααααα·αααααΎ c. ααΆααα’ααααΆαααΎ d. ααΆααααΆα αααΆαααΆαααα αα ααααΆα ααα»αααααα·α ααΆα 97 / 215 97) αα αααα»α Dental trauma, avulsion : a. ααΆααα’ααααΆαααΎ b. Enamel fracture c. Dentin fracture d. Tooth is knocked completely out of mouth 98 / 215 98) Permanent Fillings α ααααΆααΈαααΊ: a. crown + amalgam b. ααΆααα’ααααΆαααΎ c. onlay + inlay d. direct restorations + indirect restorations 99 / 215 99) The most commonly used bases have been: a. Zinc oxide eugenol and zinc phosphate cements b. Glass-ionomer cements c. Zinc polycarboxylate d. ααΆααα’ααααΆαααΎ 100 / 215 100) Carious process α’αΆα ααααααα EDJ αα»ααααααααΎαααΆCavitation ααΆαααΆααααααααααΆααααααααααΈαα·αα ααα»ααααααΎααααααααΎαααΆαααααααα»α ( Translucent) αααααΆαααααΆααααΆααααααΆααααααΎαα‘αΎαααΌα : a. Reparative Dentine b. ααΆααα’ααααΆαααΎ c. Bacteria d. Cavitation 101 / 215 101) ααα½α plaque bacteria ααΆααααααααΆαααααΎααααΆααΌααΈα α αααΈα’αΆα αΆα dietary carbohydrate ααΆαα·ααα: a. Sucrose and glucose b. Lipide c. Glucide d. ααΆααα’ααααΆαααΎ 102 / 215 102) Carious pulp exposure, ααΆααααα»ααα αα»ααααα carious lesion α αΌααααααα αααα dentine-pulp α αΎα toxin αα αααα»α Bacteria αα·ααααααα αΌααα ααα pulpal tissue αααααΆαα’ααααΆα : a. Acute inflammatory response (sharp pain on hot, cold or sweet) b. Acute pericoronitis c. Acute periodontitis d. ααΆααα’ααααΆαααΎ 103 / 215 103) Prognosis: a. ααΊααΆααΆααααΆααααααΆαα’αααΈαααααΉαααΎαα‘αΎα αα αααααΆααα»α αααα»αααααΈααααα α α·αααααΆααααΆααΆα ααΊ α’αα b. ααΊααΆααΆαααααΆαα ααααααααααααΊ c. ααΊααΆααΆααα α’ααααΎα ααααααααααααααα αααα·αααΆ d. ααΊααΆααΆααα α’ααααΎαααΌα ααΈααΆααααΌα ααΆα, ααΈαααΆαααΆα αααααΆ 104 / 215 104) α’ααα’αααααααΊhigh risk αααααΆαmultiple lesion αα·α dry mouth ααααΎααααΆααα»αααααααααααΆαααα αΆαα fluoride αααααααΊα αααααααΈ: a. 2800-5000 ppm b. 5000-8000 ppm c. 600-1000 ppm d. 1000-1500 ppm 105 / 215 105) Carious process αααααααααα Dentine : a. αα ααΆαααα’α’ααααΆαααΆαα b. ααΆα’αΆα αααααΆαα’ααααΆαααααα»αααααΈ αααααααα·α ααααΆαα α¬ αααααααααΆαααΆαααααΆαα c. ο½ααΆα’αΆα αααααΆαα’ααααΆαααααα―αα―α d. ααΆααα’ααααΆαααΎ 106 / 215 106) αα ααααα·αα·αααα’αααααααΊ ααααααααα·αα αΆαααΆα αααααΌαααααΎααΆαααααα α α·αααααΌα ααΆαααααα: a. Diagnosis + Prognosis b. Treatment option and treatment planning c. ααΆααα’ααααΆαααΎ d. Prevention of further disease + Restoration 107 / 215 107) Chair and patient position: a. Almost supine + Recline 15 degree b. Almost supine + Recline 25 degree c. Almost supine + Recline 90 degree d. Almost supine + Recline 45 degree 108 / 215 108) αα αααα»α Dental Trauma, crown fracture αα½αααΆα: a. ααΆααα’ααααΆαααΎ b. Enamel Fracture c. Enamel-Dentin-Pulp Fracture d. Enamel-Dentin Fracture 109 / 215 109) αααα»αααααΈααΆα Carious Lesion, Fiber Optic Transillumination ααΉααααα αΆαααΆααΌαααΆα: a. Totally no light b. No shadow c. ααΆααα’ααααΆαααΎ d. Darken shadow 110 / 215 110) Treatment Options and Treatment planning: a. ααΆαααααα α α·αααααΊααΆαααααΈααΆα ααααΉαααααααααα Diagnosis αα·α Prognosis b. ααααΎαααΎααααααα cavity c. ααααΎαααΎααα½αααααΎ α§αααααααΆαααα d. ααΆααα’ααααΆαααΎ 111 / 215 111) Fluorosis during tooth development in the risk from: a. 1-2 years old b. 4-10 years old c. 2-8 years old d. 1-4 years old 112 / 215 112) DIRECT REAR POSITION (12 O’CLOCK), working areas include: a. FACIAL SURFACES OF MANDIBULAR RIGHT POSTERIOR TEETH b. LINGUAL SURFACES OF MANDIBULAR TEETH c. OCCLUSAL SURFACES OF MANDIBULAR RIGHT POSTERIOR TEETH d. FACIAL SURFACES OF MAXILLARY RIGHT POSTERIOR TEETH 113 / 215 113) The function of cylindrical burs: a. To make the 4 walls proper b. To drill and remove soft tissue c. To make retention for materiel. d. To flatten the floor of cavity 114 / 215 114) αα αααα»α Visual methods , 2 ααΆααααααΆ: a. Translucent (white brown) distinctly visible without air-drying b. Opacity (white brown) distinctly visible after long air-drying c. Opacity (white brown) distinctly visible without air-drying d. Translucent (white brown) distinctly visible after long air-drying 115 / 215 115) Caries-infected dentine ααααΆααααΆαααα ααΎαααααΌαααΆαααα ααα’ααα’αα αα αα»ααααααα ααΎααααΈαααααΆααα»αα’αααααααΆαααααααΆα αααααα’α·αααααααααΆααααααΈααααα : a. ααααααααα Necrotic ααΆαααα α αΎααα·αα’αΆα ααΆααααααααΆααα½ααα»ααααα―αα―αααΆααα b. ααααααααα ααΆα αααααααα ααα’ c. ααΆααα’ααααΆαααΎ d. ααααααααα ααΆαα·ααΆαα»ααα·αα’ααα αΆαααΌα ααΆααα αΎα 116 / 215 116) The Carious Process Lesion Within Enamel, Clinical Manifestation ααΊ ααΆααααααα αα ααααααααααΈαα·αααΊ: a. αα·αααΆα αααααΎ αααααααΆαα ααααΎαααΎαααα b. α’αΆα ααΎαααΎαααΆα ααααααα ααΆαααααααααααα αα·α αααα»α c. α’αΆα ααΎαααΎαα αααΆαα ααΆααααααΎα ααααΎαααααααΆαα ααΎααααα αααα ααα£αα·ααΆααΈ d. α’αΆα ααΎαααΎααααα αα ααΆαααα ααΎ Occlusal and Smooth Surfaces 117 / 215 117) Indication of direct pulp capping: a. Non hemorrhagic or easily controlled + No pulp infection with granuloma or abcess b. Recent Traumatic Λ 24hours + The exposure side is less than 1mm c. ααΆααα’ααααΆαααΎ d. Tooth remaining vital + Absence of history of pain 118 / 215 118) αα αααα»α Visual methods , 5 ααΆααααααΆ: a. Localized dentin breakdown in opaque or discolored enamel and/or dark brown discoloration from the underlying dentin b. No enamel breakdown in opaque or discolored enamel and/or dark brown discoloration from the underlying enamel c. No dentin breakdown in opaque or discolored enamel and/or dark brown discoloration from the underlying dentin d. Large cavity and loss of dentin 119 / 215 119) Direct Pulp Capping, the key factor in pulpal healing after exposure is: a. Absence of chlorhexidine b. Absence of exposure c. ααΆααα’ααααΆαααΎ d. Absence of infection 120 / 215 120) Trauma to the mouth α’αΆα ααααα’ααααα½α ααΌα ααΆαααΌα ααΆαααααα: a. ααΆααα’ααααΆαααΎ b. Luxation and Avulsion c. Vertical/Horizontal Root Fracture d. Crown Fracture , Crown-root fractures 121 / 215 121) Caries-affected dentine αααααΆααααααα ααΆαααααα Affected Curious Dentine ααα : a. α’αΆα αα½ααα»αααΆααααααΆα ααΆαααΆααααα½αααΈ Vital Tissue called Dentine-pulp complex b. ααΆααα’ααααΆαααΎ c. α’αΆα αα½ααα»αααΆααααααΆα ααΆαααΆααααα½αααΈ Reparative dentine d. αα·αα’αΆα αα½ααα»αααΆααααααΆα ααΆαααΆααααα½αααΈ Vital Tissue called Dentine-pulp complex 122 / 215 122) Factor Influence Radiographic Interpretation αααααΆα: a. Errors in transillumination b. Errors in explorer c. Errors in film brand d. Errors in technique and Exposure 123 / 215 123) Caries-affected dentine ααααααΆααααΎαααΆααΆαααα : a. Translucent whiteαα·αα’αΆα αα½ααα»αααΆααααααΆα ααΆαααΆααααα½αααΈ Vital Tissue called Dentine-pulp complex b. αααααα αααα c. Paler brown ααΉααααα ααα’α·α α αΎαααα·αααα»ααα·αααααΎ d. ααααα’αΆαααααα 124 / 215 124) Bacteria αααααΆαα’αα ααΆα Dental Caries ααΆα α£ αααα»αααααΆααα ααΊ : a. Lactobacillus salivarius + Lactobacillus acidophilus + Streptococcus mutan b. Streptococcus + Lactobacillus + Actinomyces c. Streptococcus sobrinus + Lactobacillus acidophilus + Actinomyces d. Streptococcus + Streptococcus sobrinus + Lactobacillus salivarius 125 / 215 125) αα αααα»α Visual methods , 1 ααΆααααααΆ: a. Opacity (white ) hardly visible on the wet surface but distinctly visible after air-drying b. Translucent (white ) hardly visible on the wet surface but distinctly visible without air-drying c. Opacity (white ) hardly visible on the wet surface but distinctly visible without air-drying d. Translucent (white ) hardly visible on the wet surface but distinctly visible after air-drying 126 / 215 126) Caries control Oral hygiene instruction most reliable means of : a. Controlling plaque and providing clean tooth surface b. Controlling gingival loss c. ααΆααα’ααααΆαααΎ d. Controlling bone loss 127 / 215 127) Caries inactive/low risk: a. active lesions and history of recurrent restorations in the past two to five years. b. active lesions and history of recurrent restorations in the past two to three years. c. active lesions and history of recurrent restorations in the past two to ten years. d. no active lesions and no history of recurrent restorations in the past two to three years. 128 / 215 128) Direct restorative materials: a. Metalic restoration (amalgam ) b. ααΆααα’ααΆαααΎ c. Esthetic restorative materials (composite resin, Glass- ionomer cements) d. Inlay, Onlay (gold, composite resin, porcelain) 129 / 215 129) RIGHT POSITION (9 O’CLOCK), working areas include: a. FACIAL SURFACES OF MANDIBULAR RIGHT POSTERIOR TEETH b. FACIAL SURFACES OF MAXILLARY RIGHT POSTERIOR TEETH c. ααΆααα’ααααΆαααΎ d. OCCLUSAL SURFACES OF MANDIBULAR RIGHT POSTERIOR TEETH. 130 / 215 130) Fiber Optic Transillumination ααααΆαααα»ααα Dental Caries ααΆαα αααΎααα :: a. Occlusal b. Lingual c. Proximal d. Buccal 131 / 215 131) The ideal base material is a: a. Non-toxic b. ααΆααα’ααααΆαααΎ c. Cariostatic d. Thermal insulator 132 / 215 132) The common temporary fillings are: a. Composite + Amalgam b. ααΆααα’ααααΆαααΎ c. Zinc oxide and eugenol cement + Zinc phosphate cement d. Inlay + Onlay 133 / 215 133) Indication of Indirect pulp capping: a. No pulp exposure + No pain history b. ααΆααα’ααααΆαααΎ c. No evidence of pathosis or caries invaded d. Clinical signs and symptoms of vitality 134 / 215 134) Carious process Within Dentine, Carious process αααααααααα Dentine α’αααααααΊα’αΆα α αΆααααααΎαααα½αααΌαααΆαααΎαα‘αΎαααααΌααα : a. ααΆααα’ααααΆαααΎ b. Acute Pulpitis c. Periodontitis d. Root infection 135 / 215 135) Components of the Dental Exam: a. ααΆααα’ααααΆαααΎ b. Recording the Dental Examination + Tooth Diagrams and Color Coding c. Diangosis + Treatment plan d. General History + Extra-oral Examination + Intra-oral Examination 136 / 215 136) Liners may not have sufficient thickness or strength to be used alone in deep preparations; therefore they are frequently overlaid by a: a. Sealer b. Base material c. ααΆααα’ααααΆαααΎ d. Inlay 137 / 215 137) ααααααααΌαααΆα αα·α ααααααααα αααααααα½αα ααα½α α’αΆα ααααααΆαααΆααααα½α αααααΆαααααΎα ααααα»αααααα ααΌα ααΆ: a. ααΆααα’ααααΆαααΎ b. αααααααααααΆαα’ααα αΆα αα·α ααααα (cervical) αα·α ααααααααααααα·αααααααα½α (crowded) c. ααααααααααΆα pits and fissures αααα αα·α Proximal Surfaces d. αααααααααααααα·ααα·α ααΊ ααΆαα α ααααΎα (overhanging margins of restoration) 138 / 215 138) ααΆαααααααΆα ααααααααααααα α’αΆα αααααΆα ααααΈααΌαα ααα» α αααααΊ: a. Caries, toothwear, dental trauma and developmental condition b. Caries, toothwear, filling and developmental condition c. Caries, toothwear, endodontic and developmental condition d. Caries, toothwear, prosthodontic and developmental condition 139 / 215 139) Deep caries management, 3 vital techniques: a. ααΆααα’ααααΆαααΎ b. Direct pulp capping c. Coronal pulpotomy d. Indirect pulp capping 140 / 215 140) Diagnosis and Detection of Dental Carie: a. Visual and Laser caries detector b. Detectable explorer and Radiograph c. ααΆααα’ααααΆαααΎ d. Fiber Optic Transillumination 141 / 215 141) Fluoride mouthwash: α’ααα’αααααααΊαααααΆαα’αΆαα» β₯ 8ααααΆα ααααΎααααΆαα: a. ααΆααα’ααααΆαααΎ b. ααΆααααααααααΆααααα αΆαα 0.05% NaF αα·α αα½ααααααΆα αααααααααΆααααα αΆαα 0.2% NaF c. ααΆααααααααααΆααααα αΆαα 0.5% NaF αα·α αα½ααααααΆα αααααααααΆααααα αΆαα 0.9% NaF d. ααΆααααααααααΆααααα αΆαα 0.2% NaF αα·α αα½ααααααΆα αααααααααΆααααα αΆαα 0.5% NaF 142 / 215 142) Direct restorations are: a. Prepare cavity on the first visit b. ααΆααα’ααααΆαααΎ c. Fillings placed immediately into a prepared cavity in a single visit d. Filling placed 3 time on a tooth 143 / 215 143) ααα αΆαα Fluoride toothpaste αααααααΌαααααΎ ααΆααΌαα α αααααααΈ: a. 5000-8000 ppm b. 2800-5000 ppm c. 600-1000 ppm d. 1000-1500 ppm 144 / 215 144) The following are the indications of operative dentistry: a. Non-esthetic, or fractured teeth; b. All are correct c. Restoration replacement or repair. d. Caries; malformed, discolored, 145 / 215 145) The most popular currently used cavity liners are: a. Glass-ionomer cements b. ααΆααααΈαααΆαααΎ c. Zinc oxide eugenol d. Calcium hydroxide 146 / 215 146) Restoration αα·αααααΉαααααΌαααΊααΆααΌαα ααα»α αααααΆαα’ααααΆα: a. periodontal disease + pulpitis b. erosion + attrition c. periodontal disease + occlusal disharmonies d. dental caries + periodontal disease 147 / 215 147) Class V, carious lesions on: a. Gingival 1/3 of facial surfaces of teeth b. Gingival 1/3 of facial or lingual surfaces of teeth c. Gingival 1/3 of facial or lingual surfaces of posterior teeth d. Gingival 1/3 of facial or lingual surfaces of anterior teeth 148 / 215 148) RIGHT FRONT POSITION (7 O’CLOCK), working areas include: a. ααΆααα’ααααΆαααΎ b. MANDIBULAR ANTERIOR c. MANDIBULAR POSTERIOR TEETH (RIGHT SIDE) d. MAXILLARY ANTERIOR TEETH 149 / 215 149) GV Black classified carious lesion into: a. 5 types b. 3 types c. 6 types d. 4 types 150 / 215 150) Caries-infected dentine ααααΆααααΆαααα ααΎαααααΌα : a. αααααΈααΎαααααααα b. ααΆαααα ααα’ααα’αα αα αα»ααααααα c. αα·αααΆα αααΆααα d. ααΆααα’ααααΆαααΎ 151 / 215 151) Successful outcome for vital pulp therapy is very dependent on the : a. Type and location of injury b. ααΆααα’ααααααΌα c. Age of tooth + treatment modality (Capping material) d. Integrity of the cavity restoration 152 / 215 152) Indirect pulp capping during 6-8 weeks waiting period: a. The carious process is arrested b. A protective layer of reparative dentine is formed c. Soft caries hardened d. ααΆααα’ααααΆαααΎ 153 / 215 153) Vital pulp therapy includes 2 therapeutic approaches : a. Direct pulp capping/pulpotomy in case of pulp exposure b. Indirect pulp capping in case of deep dentinal cavitiesβ and Direct pulp capping/pulpotomy in case of pulp exposure c. Endodontic d. Indirect pulp capping in case of deep dentinal cavities 154 / 215 154) Attrition ααΌαα ααα»αααααΆα ααααΈ: a. Hard tooth brushing (αα»αααααα ααααΆααααα) b. Occlusal tooth-tooth contact c. α’αΆαααΈαααααΈ αααα αααα½α (α αααΈα’αΆα αΆα) d. α’αΆαααΈα ααΆααααα»ααααα½αααΊ Gastro-oesophageal reflux disease (GORD) 155 / 215 155) Streptococcus mutans ααΆαααααααΆαααααααα αααααααΆααααααΆααΆαα½α: a. Plague biofilm b. Chlorhexidine c. Anesthesia d. ααΉαααΆαα 156 / 215 156) Carious pulp exposure, ααααΆααααΆααααααΎαα’αααααααΊα αΆααααααΎαα αΆααα’αΆααααααααΉα αααααΆα : a. α’ααααΆααααΆαααΆαααα αα b. ααΆααααααα ααααααΆααααα ααΌαααααα c. ααΆααααα ααααα»ααααααΆααααααΆαααααααααΎαααΎα d. ααΆααα’ααααΆαααΎ 157 / 215 157) Carious process αααααααααα Dentine : a. ααΆααααΆααα ααΆααα α ααΆαααααααααααααα·α αααα»α b. ααΆααααΆααα ααΆααα αααααα ααΆαααααααααααααα·α αααα»α c. ο½ααΆααααΆααα ααΆααα α αααα’αΆαααα»αα ααΆαααααααααααααα·α αααα»α d. ααΆααα’ααααΆαααΎ 158 / 215 158) Sealer, It has been showed that the application of the same mechanism allows desensitising agents to be equally effective in preventing postoperative sensitivity when: a. Amalgam restorations are placed b. Glass ionormer are placed c. ααΆααα’ααααΆαααΎ d. Zinc oxide eugenol are placed 159 / 215 159) The most important key of class II cavity preparation: a. Avoid inclined planes b. Making the cavity extensions c. Making retention for materiel d. Remove all carious lesions 160 / 215 160) Tetracycline Stain caused by : a. Broad spectrum of antibiotic especially Tetracycline b. Broad spectrum of Codeine c. Broad spectrum of steroid d. Broad spectrum of non steroid anti-inflammatory (NSAID) 161 / 215 161) The Carious Process Lesion Within EDJ, Carious process α’αΆα ααααααα EDJ : a. ααΆααα’ααααΆαααΎ b. αααααααααα ααΎαααΆCavitation ααΆαααΆαααααααα ααΆααααααααααΈαα·α c. ααααααα ααΎαααΆCavitation ααΆαααΆαααααααα ααΆααααααααααΈαα·αααααα (brown) d. αα»αααααα ααΎαααΆCavitation ααΆαααΆαααααααα ααΆααααααααααΈαα·α 162 / 215 162) The spots and stains left by fluorosis are: a. Disappear later b. Temporary c. ααΆααα’ααααΆαααΎ d. permanent and may brown or darken over time 163 / 215 163) Liner, they act as: a. Permanent filling b. ααΆααα’ααααΆαααΎ c. Temporary filling d. Cavity sealer 164 / 215 164) Attrition commonly occur in combination with : a. Abrasion, Erosion and Abrasion b. Abrasion and Erosion c. Erosion d. Abrasion 165 / 215 165) Sealer, In recent years, various desensitising agents have been used in the management of tooth: a. Abrasion b. Yypersensitivity c. ααΆααααΈαααΆαααΎ d. Discolor 166 / 215 166) The disadvantage of rubber dam: a. Difficult breathing b. Patient discomfort c. Extra time d. All are correct 167 / 215 167) ααΎααααααααααΉα dental caries and toothwear dental trauma : a. ααΆααα’ααααΆαααΎ b. ααΌα ααΆαααα αααααΆα c. ααΎαα‘αΎαααααΆαα d. ααΏαααΆα 168 / 215 168) Definition of indirect pulp capping: a. ααΆααα’ααααΆαααΎ b. the cavity is sealed with a bactericidal agent c. It is a procedure in which only the infected dentin caries is removed and the cavity is sealed with a bactericidal agent d. It is a procedure in which only the infected dentin caries is removed 169 / 215 169) αα αααα»α Dental trauma, enamel-dentin pulp fracture treatment, If young patients with open apices, it is very important to preserve pulp vitality by : a. ααΆααα’ααααΆαααΎ b. This treatment is also treatment of choice in patients with closed apices c. Pulp capping d. Partial pulpotomy in order to secure further root development 170 / 215 170) αα αααα»α components of the dental exam, Soft Tissue Examination, This examination requires the use of: a. Explorer b. ααΆααααΈαααΆαααΎ c. Palpation d. Visual examination 171 / 215 171) Role of Zinc Oxide Eugenol: a. ααΆααα’ααααααΌα b. An antimicrobial for temporary filling c. Good sealing capability intermediate base for temporary filling d. Protection of pulp against thermal shock 172 / 215 172) The Carious Process Lesion Within Enamel, Clinical Manifestation ααΊ ααΆααααααα αα ααααααααααΈαα·αααΆα αααααΆααααα αααααααα’αΆαααα»αα: a. ααΆααααα αααα b. ααΆααααααΆααααααααΆαααΎααααα αα c. ααα»ααααα’ααααΆααααΆααααα αααα d. αα·αααΆα αααααΎ αααααααΆαα ααααΎαααΎααααα ααααα 173 / 215 173) Sealer, these agents are reported to be effective by: a. Reducing the diameter of the dentinal tubule b. Reducing risk of dental carie c. ααΆααααΈαααΆαααΎ d. Limiting fluid movement 174 / 215 174) ααα½α plaque bacteria ααΆααααααααΆαααααΎααααΆααΌααΈα α αααΈα’αΆα αΆα dietary carbohydrate ααΆαα·ααα sucrose and glucose αααααΎαα’αααα ααΆ organic acids αα ααΎααααααααααααα ααααα α αααααααααα α‘βα£ ααΆααΈ ααΆααααΎα’αα plaque pH ααααΆααα α»αααα 5.5 αααα αΎαααΊααΆα ααα»α α αΆααααααΎααα: a. Demineralization b. ααΆααα’ααααΆαααΎ c. Remineralization d. Oxidation 175 / 215 175) Carious lesion ααΎααα ααΎααααααααααααααΆααααααα: a. ααΆααα’ααααΆαααΎ b. Anesthesia ααααααααΌααα·αααΆαααα’αΆαα αα c. Plague ααααααααΌααα·αααΆαααα’αΆαα αα d. Chlorhexidine ααααααααΌααα·αααΆαααα’αΆαα αα 176 / 215 176) Dental caries ααΊααΆααααΊ microbial αααα’αΆα ααααααΆαααααααααααααα αααααΊααΆαdemineralization αα ααΎαααααααααααααΎα’αα : a. αααααααααα·αααααααα½α b. ααΆααα’ααααΆαααΎ