/145 0 Periodontology I Preparation (Dr. Sin Sowatha) 1 / 145 1) The usefulness of radiographs local factor may: ……………? a. Situation of gingival b. Overhanging Restoration c. trauma the pulp of tooth d. Non, the answer are correct 2 / 145 2) The earliest sign of gingivitis which is of great help for diagnostic and treatment planning is:? a. Spontaneous bleeding b. Increase gingival fluid exudation c. Pain d. Bleeding from gingival sulcus on gentle probing. 3 / 145 3) Which one in Phase IV therapy (Maintenance phase):? a. Plaque biofilm and removal calculus, periodontal condition (pocket, inflammation), occlusion and tooth mobility, other pathologic change. b. Final restoration, Fixed and removable prosthodontics, Evaluation of restoration periodontal examination. c. Plaque biofilm control, Diet control, Scaling and Root planning to removal plaque and calculus. d. Periodontal surgery, including placement implant, Endodontic therapy. e. Plaque biofilm control, Diet control, Scaling and Root planning to removal plaque and calculus , correction of contributing and prosthodontics factors, antimicrobial therapy (Local or systemic), occlusal therapy. 4 / 145 4) The amount of gingival crevicular fluid is: ………………………………………….? a. Increased by tooth brushing and gingival massage. b. Increase by trauma from occlusion c. Decreased by ovulation and hormonal contraceptives. d. Decreased by mastication of coarsee (គ្រោគគ្រាត គគ្រើម) food and smoking. e. Decreased when inflammation is present. 5 / 145 5) Dental plaque adheres to the tooth surface by? a. Sucrose, b. Epithelial cells c. Dextran (insoluble and sticky), d. Bacteria, 6 / 145 6) Dental plaque adheres to the tooth surface by? a. Dextran (insoluble and sticky). b. Sucrose, c. Epithelial cells d. Bacteria, 7 / 145 7) Which of the following is a clinical indication for microbial analysis of plaque: .? a. All of answer b. Periodontitis associated with systemic conditions c. Aggressive periodontitis d. Refractory periodontitis 8 / 145 8) Definition of scaling: ………………………………..? a. Process by which plaque and calculus are removed from both supra and subgingival tooth surface. b. Elimination of dental caries c. Elimination of dental caries and filling cavity d. Process by which residual embedded calculus and portion of cementum are removed from the root to produce a smooth, hard and clean surface 9 / 145 9) Risk factors for chronic periodontitis include:? a. Diabetes, arteriosclerosis b. Prior history of oral surgery, bacterial plaque c. Aging d. Poor oral hygiene, smoking, emotional stress 10 / 145 10) New attachment is possible for: ………………? a. Non-vital teeth b. Non, correct answer c. Vital teeth and non- Vital teeth d. Vital teeth 11 / 145 11) Chronic periodontitis is the most common form of periodontitis. Which of the following is NOT a clinical feature of the disease? a. Gingival inflammation b. Supra and subgingival plaque c. Negative papillae d. Loss of periodontal attachment 12 / 145 12) The distance between the apical extent of calculus and alveolar crest in human periodontal pockets is:? a. Decreased when inflammation is present. b. Decreased by mastication of coarse food and smoking. c. Decreased by ovulation and hormonal contraceptives. d. Increased by tooth brushing and gingival massage. e. Increase by trauma from occlusal 13 / 145 13) How many strokes? a. 2 b. 3 c. 4 d. 1 14 / 145 14) The most common factor that defect healing after periodontal treatment: …? a. Excessive manipulation b. Inadequate blood supply c. Plaque d. Foreign bodies 15 / 145 15) Linear action of the tip is feature of: …………………? a. Piezo scaler b. All of answer c. Sonic scaler d. Magnetostrictive 16 / 145 16) The clinical presentation of gingivitis and periodontitis are similar. How could you determine if a patient has periodontitis is? a. The gingiva would bleed on probing b. The gingiva would appear swollen c. Look for bone loss on a radiograph d. The patient would report pain e. The oral hygiene would be poor 17 / 145 17) Gingival abrasion is caused by:? a. Faulty brushing b. High frenal attachment c. Tooth malposition d. Soft tissue friction 18 / 145 18) ឧបករណ៏តម្រូវការសម្រាប់ periodontal index? a. Light. b. Light, Mouth mirror and graduated probe. c. Light, Mouth mirror and explorer (periodontal probe). d. Light and Mouth mirror. 19 / 145 19) Periodontal disease is an important risk factor for all of the following except: ….? a. Stocke b. Diabetes c. Hypertension d. Premature delivery 20 / 145 20) Active haemorrhage has to be first controlled by: ……………………..? a. Electro congelation b. Pressure application and electro-coagulation c. Pressure application d. None of the above 21 / 145 21) Scaling process removes: ………………………? a. Non, Right answer b. Calculus and Plaque c. Plaque d. Calculus 22 / 145 22) The earliest clinic sign of chronic gingival inflammation:? a. Bleeding on probing. b. Erythema. c. Oedema. d. Loss of stippling. 23 / 145 23) Which of the following step should be most preferably taken in root planning procedure? a. Removal of necrosis cementum and calculus. b. Removal of pulp. c. Removal of dentine. d. Removal of root caries. e. Removal of calculus. 24 / 145 24) Which of the following is a more common expression of gingivae: …………? a. Bleeding b. Increase pocket depth c. Mobility d. Color change 25 / 145 25) Tooth mobility caused by which of the following is not likely to be corrected: ….? a. Inflammation in periodontal ligament b. Trauma from occlusion c. Trauma from occlusion, Inflammation in periodontal ligament and Loss of alveolar bone d. Loss of alveolar bone 26 / 145 26) Heamatological disorder associated with periodontal disease is? a. Hypophosphatesia, b. AIDS, c. Wegener’s granulomatosis, d. Histiocytosis X 27 / 145 27) Two points contact is essential for: …………………………..? a. Sickle b. Hoe c. Currette d. Chisel 28 / 145 28) Periodontal pockets can BEST be detected by: ……………? a. The contour of the gingival margin b. Probing the sulcular area. c. Radiographic detection d. The color of the gingival 29 / 145 29) Periodontal pockets can BEST be detected by:? a. Radiographic detection b. The contour of the gingival margin c. Probing the sulcular area. d. The color of the gingival 30 / 145 30) Excisional new attachment procedure involves: …………………………? a. Root planning. b. A periodontal flap. c. A regenerative osseous procedure. d. A free gingival graft e. Internal bevel incision from the margin of the gingival apically to point below bottom of pocket. 31 / 145 31) Bleeding on probing starts in:? a. Stage II gingivitis b. Stage I gingivitis c. Stage IV gingivitis d. Stage III gingivitis 32 / 145 32) Indications for muco-gingival surgery include the following except:? a. A high frenum attachment. b. A shallow vestibule. c. Insufficient attached gingiva. d. Infrabony pocket. 33 / 145 33) What is the main difference between gingivitis and periodontitis? a. Gingivitis is irreversible b. Periodontitis is irreversible c. Only gingivitis results in bone loss, Periodontitis is irreversible d. Periodontitis is a result of systemic disease e. Only gingivitis is caused by plaque 34 / 145 34) The usefulness of radiographs may: ……………………….? a. To know the dilation of widening of periodontal ligament near crest b. trauma the pulp of tooth c. Situation of gingival d. Non, the answer are correct 35 / 145 35) Aggressive periodontitis is a form of periodontal diseases that:? a. Affects older people if compared with other form of disease b. results fast bone destruction c. Is the most prevalence form d. produces amount of destruction which is relevant to amount of plaque 36 / 145 36) ឧបករណ៏តម្រូវការសម្រាប់ periodontal index:? a. Light, Mouth mirror and explorer (periodontal probe). b. Light. c. Light and Mouth mirror. d. Light, Mouth mirror and graduated probe. 37 / 145 37) Which one in Phase I therapy (non-surgery phase)? a. Plaque biofilm and removal calculus, periodontal condition (pocket, inflammation) occlusion and tooth mobility, other pathologic change. b. Final restoration, Fixed and removable prosthodontics, Evaluation of restoration periodontal examination. c. Plaque biofilm control, Diet control, Scaling and Root planning to removal plaque and calculus correction of contributing and prosthodontics factors, antimicrobial therapy (Local or systemic), Occlusal therapy. d. Plaque biofilm control, Diet control, Scaling and Root planning to removal plaque and calculus. e. Periodontal surgery, including placement implant, Endodontic therapy. 38 / 145 38) A 27 year-old male presents to your office with the following signs: loss of interdental and marginal tippling, blue-red tissue color, the junction epithelium at the CEJ, and bleeding upon gentle probing. Your diagnosis is? a. Melanin pigmentation b. Systemic infection c. Gingival recession d. Advanced periodontal disease, (periodontitis) e. Chronic gingivitis. 39 / 145 39) Cells involve in innate defense system are:? a. Macrophages, neutrophils and B cells b. Macrophages, dendritic cells and cytotoxic T cells, c. B cells and T cells, d. Macrophages, neutrophils, mast cells and dendritic cells 40 / 145 40) Following a flap procedure, pressure is applied to the tissues for one minute in order to:? a. Facilitate suturing b. Reduce post – operative swelling / edema c. Adapt the tissue against the bone. d. Achieve haemastosis 41 / 145 41) In necrotizing periodontitis, microorganisms can be found in all the following EXCEPT:? a. Connective tissue b. Vital epithelium c. Necrotic tissue components d. Alveolar bone 42 / 145 42) The primary pathogen found in aggressive periodontitis is:? a. Porphyromonas gingivalis b. Tannerella forsythia c. Aggregatibacter Actinomycetemcomitans d. Lactobacillus 43 / 145 43) Average human biologic is:? a. 4 mm. b. 1 mm. c. 0.5 mm. d. 3 mm. e. 2 mm. 44 / 145 44) Root planning is:? a. Removal of disease cementum along with other root deposits. b. Removal of material Alba and stains from root surface. c. Removal of food debris from tooth surface. d. Removal of calculus and plaque from root surface. e. Removal of soft tissue wall of the periodontal pocket. 45 / 145 45) Risk factors of periodontal disease are: ……………………………………..? a. Smoking, Diabetes, Poor Oral Hygiene, Osteoporosis, HIV/AIDS, Medications and Stress. b. Smoking, Diabetes, Poor oral hygiene c. Smoking ,Diabetes, Poor Oral Hygiene, Osteoporosis, HIV/AIDS d. Smoking ,Diabetes, Poor Oral Hygiene, Osteoporosis, HIV/AIDS, Medication e. Smoking ,Diabetes, Poor Oral Hygiene, Osteoporosis 46 / 145 46) Which of the following periodontal disease does not have calculus? a. Chronic adult periodontitis. b. Acute necrotizing ulcerative gingivitis. c. Periodontal pocket. d. Periodontal abscess. e. Juvenile periodontitis. 47 / 145 47) Local treatment procedure that accelerates regeneration is: ………? a. Scaling b. Curettage c. Root planning d. All answers 48 / 145 48) Risk factors of periodontal disease are:? a. Smoking, Diabetes, Poor oral hygiene b. Smoking ,Diabetes, Poor Oral Hygiene, Osteoporosis, HIV/AIDS c. Smoking ,Diabetes, Poor Oral Hygiene, Osteoporosis d. Smoking ,Diabetes, Poor Oral Hygiene, Osteoporosis, HIV/AIDS, Medication e. Smoking, Diabetes, Poor Oral Hygiene, Osteoporosis, HIV/AIDS, Medications and Stress. 49 / 145 49) Which of the following is usually not caused by gingival recession? a. Root caries b. Hypersensitivity c. Pulpal hyperaemia d. Periodontal abcess 50 / 145 50) For periodontal disease, smoking is:? a. Risk factor b. none of answer is right c. Prognostic factor d. Risk factor, Prognostic factor. 51 / 145 51) False gingival enlargement is caused by: …………………………………? a. Underlying dental and osseous structures. b. Sarcoidosis (រោគពកសាច់) c. Underlying drug induced gingival enlargement. d. Underlying inflammation of periodontal ligament. e. By epulis. 52 / 145 52) Root planning is: …………………………………………………? a. Removal of soft tissue wall of the periodontal pocket. b. Removal of food debris from tooth surface. c. Removal of calculus and plaque from root surface. d. Removal of disease cementum along with other root deposits. e. Removal of material Alba and stains from root surface. 53 / 145 53) What type of fibers are principle fibers of the periodontal ligament? a. Elastic b. Collagenous and elastic c. Collagenous d. Reticular 54 / 145 54) Crater in necrotizing periodontitis involves:? a. Periodontal ligament, alveolar bone & loss of attachment b. Cementum and gingival recession c. Gingival inflammation d. Pocket formation and pulp necrosis 55 / 145 55) Less calcified structure is? a. Acellular cementum, b. Dentin. c. Cellular cementum, d. Cementoid, 56 / 145 56) Primary endodontic lesion requires:? a. Endodontic treatment only. b. A combined Periodontal and endodontic treatment. c. Periodontal surgical treatment only. d. Minor periodontal treatment only. e. A periodontal flap procedure. 57 / 145 57) In CPITN (Community periodontal index treatment need): ……………? a. The dentition is divided into five segments. b. Pocketing of 4-5 mm, that is, when the gingival margin is on clear area is code no.3. c. Pocketing of 6 mm or more, that is, when the gingival margin is the black area of the probe is code no .4. d. For appropriate treatment plan code 2 requires improvement home care. e. For appropriate treatment plan code 3 require supra and subgingival scaling improvement in home care 58 / 145 58) What is the most common disease affecting the periodontium? a. Plaque induced gingival disease b. Non‐plaque associated gingival disease c. Aggressive periodontitis d. Chronic periodontitis e. Abscess of the periodontium 59 / 145 59) What is the most common systemic disease to affect the periodontal tissues? a. Aids b. Scurvy c. Leukaemia d. Hypertension e. Diabetes mellitus, aids, hypertension 60 / 145 60) A 27 year-old male presents to your dental clinic with the following signs: loss of interdental and marginal tippling, blue-red tissue color, the junction epithelium at the CEJ, and bleeding upon gentle probing. Your diagnosis is:? a. Melanin pigmentation b. Systemic infection c. Gingival recession d. Chronic gingivitis. e. Advanced periodontal disease, (periodontitis) 61 / 145 61) Periodontal pocket wall between tooth and bone is? a. Suprabony pocket. b. Infrabony pocket. c. Pseudo pocket. d. Gingival pocket. 62 / 145 62) 30 years female pregnant patient, upon periodontal clinical examination, there was gingival bleeding on probing, edema and redness of gingival margin, and poor oral hygiene. Diagnosis of this case according to AAP 1999 periodontal diseases Classification is: ………? a. Plaque induced gingival diseases associated with dental plaque only. b. Plaque induced gingival disease modified by systemic factor. c. Non-Plaque induced gingival disease or lesions. 63 / 145 63) A compound periodontal pocket is:? a. Spiral type of pocket. b. Present on two or more tooth surfaces. c. No, right answer. d. Infrabony in nature. 64 / 145 64) Which stroke មានកម្លាំងទាញ ត្រូវបានប្រើជាមួយមុខកាំបិតរបស់ឧបករណ៏សម្រាប់យកចេញ Calculus ទាំងពីរ Supra gingival and Sub gingival? a. Scaling stroke, Exploratory Stroke and Root planning stroke. b. Scaling stroke c. Root planning stroke d. Exploratory Stroke 65 / 145 65) Which of the following scaler is used for crushing of calculus: …………? a. Hoe b. Sickle c. File d. Curette 66 / 145 66) Which of the following is NOT a characteristic of necrotizing periodontitis? a. Halitosis b. Gingival recession c. Bleeding d. Severe pain 67 / 145 67) Maintenance phase should start after: ………………….? a. Phase I b. Phase III c. Preliminary phase d. Phase II 68 / 145 68) A 15-year-old girl presents with good oral hygiene. Radiographs how vertical bone loss on #11 and #36. What is the closest diagnosis of this case:? a. Localized chronic periodontitis b. Localized aggressive periodontitis c. Localized gingivitis d. Localized necrotizing periodontitis 69 / 145 69) The inter-dental aid to be used when the embrasure is filled with inter-dental papilla: ………? a. Plastic tip b. Dental floss c. Wooden tip d. No, answer correct 70 / 145 70) Chisel is sharpened with: ……………………………..? a. Push stroke b. None, answer are correct c. Pull stroke and Push stroke d. Pull stroke 71 / 145 71) Dentogingival unit:? a. Is sulcular epithelium and gingival fibers b. Is oral epithelium and gingival fibers. c. Is junction epithelium and periodontal fibers. d. Is junction epithelium and gingival fibers. e. Is sulcular epithelium and periodontal fibers. 72 / 145 72) Excisional new attachment procedure involves:? a. Root planning. b. A free gingival graft c. Internal bevel incision from the margin of the gingival apically to point below bottom of pocket. d. A regenerative osseous procedure. e. A periodontal flap. 73 / 145 73) Microbial virulence factors include:? a. Microbial invasions and fimbriae, b. All above c. Microbial invasions and enzymes, d. Endotoxin and enzymes, 74 / 145 74) Which of the following is usually not caused by gingival recession:? a. Hypersensitivity b. Pulpal hyperaemia c. Periodontal abcess d. Root caries 75 / 145 75) A compound periodontal pocket is? a. No, right answer. b. Infrabony in nature. c. Spiral type of pocket. d. Present on two or more tooth surfaces. 76 / 145 76) Order of periodontal treatment? a. Prognosis b. Treatment planning c. Diagnosis, Treatment planning d. Diagnosis, prognosis and Treatment planning e. Diagnosis 77 / 145 77) Average human biologic is: …………………………………….? a. 1 mm. b. 2 mm. c. 0.5 mm. d. 4 mm. e. 3 mm. 78 / 145 78) Subclinical gingivitis is:? a. Characterized by predominantly plasma cell microscopically. b. Characterized by vascular proliferation. c. Characterized by predominantly lymphocytes microscopically. d. Characterized by increased crevicular fluid flow and infiltration of sulcular and junction epithelium by polymorphonuclear leukocytes. e. Characterized by erythema, bleeding on probe. 79 / 145 79) Teeth grinding and gnashing (bruxism) can lead to:? a. A pain in the neck b. A pain in the neck, Sore teeth, Headaches c. Sore teeth d. Headaches 80 / 145 80) The term gingivitis refers to a condition which? a. Affects the underlying alveolar bone b. Is always acute in nature c. Is irreversible and only effects the gingiva d. reversible and only effects the gingiva e. Irreversibly damages the underlying bone 81 / 145 81) Heamatological disorder associated with periodontal disease is? a. Histiocytosis X b. Wegener’s granulomatosis, c. AIDS. d. Hypophosphatesia, 82 / 145 82) The periodontium consists of all of the following are:? a. Cementum, gingiva, enamal b. Alveolar bone, cementum, dentin, dental pulp c. Periodontal ligament, cementum, Gingiva, Alveolar bone d. Gingiva, dentin e. Cementum, Gingiva, Alveolar bone, dental pulp 83 / 145 83) The primary predisposing factor in ANUG: ………………………? a. Malnutrition b. Plaque c. Psychological stress d. Smoking 84 / 145 84) Ultrasonic scaling is done with: ………………………………? a. Nonoverlapping vertical strokes b. overlapping vertical strokes c. overlapping horizontal strokes d. Nonoverlapping horizontal strokes 85 / 145 85) Patient with necrotizing periodontitis (NP) is usually requested to have blood test for HIV infection because:? a. HIV infection is a marker for NP b. NP is a marker for HIV infection c. HIV infection and NP are the same d. NP is a marker for immune deterioration in HIV patient 86 / 145 86) Which of the following are true of chronic periodontitis? a. Pockets depths are usually less than 4 mm b. Drifting of teeth is not a common finding c. It is characterized by loss of alveolar bone and bleeding d. Recession is rare e. It is a rare condition 87 / 145 87) What is the difference between gingivitis and periodontitis? a. Mobility of tooth. b. Gingival sulcus. c. Loss of epithelial attachment. d. Periodontitis pocket. e. Not correct answer 88 / 145 88) The prognosis for smoker with severe periodontitis, when he stops smoking: …? a. Quetionable b. Good c. Poor d. Fair 89 / 145 89) Which one in Phase I therapy (non-surgery phase):? a. Plaque biofilm and removal calculus, periodontal condition (pocket, inflammation) occlusion and tooth mobility, other pathologic change. b. Plaque biofilm control, Diet control, Scaling and Root planning to removal plaque and calculus correction of contributing and prosthodontics factors, antimicrobial therapy (Local or systemic), Occlusal therapy. c. Final restoration, Fixed and removable prosthodontics, Evaluation of restoration periodontal examination. d. Periodontal surgery, including placement implant, Endodontic therapy. e. Plaque biofilm control, Diet control, Scaling and Root planning to removal plaque and calculus. 90 / 145 90) Chronic periodontitis is a form of periodontal diseases that:? a. is familial aggregation b. produces amount of destruction which is relevant to amount of plaque c. affects all ages d. presents with wide vertical bone loss around the defect 91 / 145 91) Dental floss is use to:? a. Remove interdental plaque b. Message gums c. Prevent gingival recession d. Remove interdental plaque, interdental food and debris. 92 / 145 92) Which one in Phase III therapy (Restoration phase):? a. Plaque biofilm control, Diet control, Scaling and Root planning to removal plaque and calculus, correction of contributing and prosthodontics factors, antimicrobial therapy (Local or systemic), occlusal therapy. b. Plaque biofilm control, Diet control, Scaling and Root planning to removal plaque and calculus. c. Plaque biofilm and removal calculus, periodontal condition (pocket, inflammation), occlusion and tooth mobility, other pathologic change. d. Periodontal surgery, including placement implant, Endodontic therapy. e. Final restoration, Fixed and removable prosthodontics, Evaluation of restoration periodontal examination. 93 / 145 93) Gingival abrasio9nj is caused by:? a. Soft tissue friction b. High frenal attachment c. Faulty brushing d. Tooth malposition 94 / 145 94) The most common factor that defects healing after periodontal treatment: ? a. Excessive manipulation of tissue b. Inadequate blood supply c. Plaque d. Foreign bodies 95 / 145 95) To localize a supernumerary or an impacted tooth and determine its exact relationship to the other teeth, which of the following radiographs would be most effective? a. An occlusal view using a high angle b. Two or more periapical views at different angle and occlusal view c. A periodontal and an occlusal view d. A panoramic radiographs 96 / 145 96) A periodontal pocket 8 mm deep, having the junctional epithelium coronal to the cement enamel junction is:? a. A true periodontal pocket b. A psuedopocket c. A furcation involvement d. An infrabony pocket 97 / 145 97) The distance between the apical extent of calculus and alveolar crest in human periodontal pockets is: …………………………? a. 4 mm. b. 3 mm. c. 0.02 mm. d. 0.2 mm. e. 1.97 mm (=33.16%). 98 / 145 98) 16 years boy, present clinically with attachment loss related to 1st Molars and Incisors only. Diagnosis of this case according to AAP 1999 periodontal diseases Classification is: ……? a. Localized juvenile periodontitis. b. Generalized juvenile periodontitis. c. Localized aggressive periodontitis. d. Generalized aggressive periodontitis. 99 / 145 99) Repair that occurs after treatment of periodontal lesions is called: …? a. New attachment b. Repair c. Epithelial adaptation d. Reattachment 100 / 145 100) អាប់សែ Periodontal ធ្ងន់ធ្ងរ ត្រូវបានព្យាបាល ដោយ (Acute periodontal abscess is Treated by):? a. Gingivoplasty b. Gingivectomy c. Periodontal flap procedure d. Antibiotics e. Drainage through the sulcus or by an external incision + antibiotics. 101 / 145 101) ការបាត់បង់ឆ្អឹង ផ្ដេក មានវត្តមាន នៅក្នុង (Horizontal bone loss is present in):? a. Chronic periodontitis. b. Acute necrotizing ulcerative gingivitis. c. Localized aggressive periodontics. d. Infrabony pockets. e. Generalized aggressive periodontitis. 102 / 145 102) Which of the following is NOT the roles of saliva:? a. antifungus b. antibacterial, c. physical protection, d. cleansing, 103 / 145 103) Dento-gingival unit: ……………………………………………..? a. Is junction epithelium and periodontal fibers. b. Is oral epithelium and gingival fibers. c. Is junction epithelium and gingival fibers. d. Is sulcular epithelium and gingival fibers e. Is sulcular epithelium and periodontal fibers. 104 / 145 104) What the usefulness is of radiographs in periodontal? a. Width of periodontal ligament b. Situation of gingival c. trauma the pulp of tooth d. Bone loss in furcation areas and Width of periodontal ligament 105 / 145 105) Periodontal disease is a risk factor for:? a. Diabetes b. Emotional stress c. Early puberty d. Pregnancy 106 / 145 106) Periodontal disease is any condition which affects the? a. The nerve of the tooth b. The blood supply to the tooth c. The enamel and dentine d. Tooth supporting tissues e. Outer structures of the tooth 107 / 145 107) Which one of the following scalers is actvated with push motion: ……………..? a. Sickle b. Chisel c. Hoe d. Currette 108 / 145 108) Which one of the following is a surgical sickle? a. Jaquette b. NEV!-2 c. Morse d. Ball 109 / 145 109) Which of the following does not improve healing after periodontal treatment? a. Immobibilization b. Debriment c. oxygen insulflation d. Pressure 110 / 145 110) Which of the following is not one of the action factions that delay wound healing:? a. Aging b. Protein deficiency c. Vitamin C deficiency d. Osstrogen deficiency 111 / 145 111) Instrument used for supra-gingival scaling is: …………………….? a. Curette b. Sickle c. Sickle, Curette and Hoe d. Hoe 112 / 145 112) A forcibly embedded tooth bristle may be retained in gingival and course:? a. Attachment loss. b. Gingival abscess. c. Bone loss d. Periodontal pocket e. Gingival reccesion 113 / 145 113) Indications for muco-gingival surgery include the following EXCEPT a. Infrabony pocket. b. Insufficient attached gingiva. c. A shallow vestibule. d. A high frenum attachment. 114 / 145 114) The distance between the apical extent of calculus and alveolar crest in human periodontal pockets is:? a. CPITN probe b. Michigan "o" probe c. Naber's probe d. Periodontal exploer e. WHO probe. 115 / 145 115) Which one in Phase II therapy (Surgical phase):? a. Plaque biofilm control, Diet control, Scaling and Root planning to removal plaque and calculus, correction of contributing and prosthodontics factors, antimicrobial therapy (Local or systemic), Occlusal therapy. b. Plaque biofilm and removal calculus, periodontal condition (pocket, inflammation), occlusion and tooth mobility, other pathologic change. c. Plaque biofilm control, Diet control, Scaling and Root planning to removal plaque and calculus. d. Periodontal surgery, including placement implant, Endodontic therapy. e. Final restoration, Fixed and removable prosthodontics, Evaluation of restoration periodontal examination. 116 / 145 116) The earliest clinic sign of chronic gingival inflammation? a. Erythema. b. Oedema. c. Loss of stippling. d. Bleeding on probing. 117 / 145 117) The following are clinical features of periodontal abscess EXCEPT:? a. Smooth b. Crater of periodontium c. Fluctuant swelling d. Red 118 / 145 118) One of physical barriers in host response is:? a. non-keratinized tissue b. connective tissue, c. keratinized tissue, d. connective epithelium, 119 / 145 119) A 48-year-old woman presents with fistula on the buccal of #24. The tooth does not have any filling. Probing shows a 6mm pocket on mesio-buccal. Pulp vitality test shows the tooth is vital and radiograph shows a vertical bone loss on mesial of #24. What is the closest diagnosis of this case? a. Periapical abscess of #24 b. Localized periodontitis of #24 c. Gingival abscess of #24 d. Periodontal abscess of #24 120 / 145 120) Which of the following is NOT a risk factor of periodontal disease? a. Pregnancy b. Cardiovascular disease c. Diabetes d. Smoking 121 / 145 121) Cavitation is a term used in relation to: …………………? a. Osseous surgery b. Ultrasonic scaling c. Curette d. Furcation treatment 122 / 145 122) Treatment of periodontal abscess includes:? a. Antibiotic alone b. Endodontic treatment with antibiotic c. Incision drainage with endodontic treatment d. Incision drainage with scaling and root planning 123 / 145 123) The periodontium consists of all of the following EXCEPT? a. Gingiva b. Periodontal ligament c. Pulp of tooth d. Cementum e. Alveolar bone 124 / 145 124) The most common form of periodontal disease that causes irreversible damage to the periodontium is:? a. Plaque induced inflammation condition gingivitis b. Aggressive periodontitis, chronic periodontitis c. Drug induced periodontal d. Necrotising ulcerative periodontitis, Aggressive periodontitis, chronic periodontitis e. Necrotising ulcerative periodontitis 125 / 145 125) Periodontal pocket wall between tooth and bone is:? a. Infrabony pocket. b. Suprabony pocket. c. Gingival pocket. d. Pseudo pocket. 126 / 145 126) 40 years diabetic patient, present clinically with periodontal attachment loss and diagnosed as having periodontitis. According to AAP 1999 classification of periodontal diseases, the type of periodontitis in this case is:? a. Periodontitis as a manifestation of systemic disease. b. Aggressive periodontitis. c. Chronic periodontitis modified by systemic condition. 127 / 145 127) The periodontium consists of all of the following EXCEPT? a. Cementum b. Gingiva c. Dentine d. Periodontal ligament e. Alveolar bone 128 / 145 128) Which a stroke use with probes and explores for evaluation of dimension of pocket and for explore Calculus on tooth surface? a. Scaling stroke, Exploratory Stroke and Root planning stroke. b. Exploratory Stroke c. Scaling stroke d. Root planning stroke 129 / 145 129) Subclinical gingivitis is: …………………………………..? a. Characterized by predominantly plasma cell microscopically. b. Characterized by increased crevicular fluid flow and infiltration of sulcular and junction epithelium by polymorphonuclear leukocytes. c. Characterized by predominantly lymphocytes microscopically. d. Characterized by vascular proliferation. e. Characterized by erythema, bleeding on probe. 130 / 145 130) For periodontal patient, the most frequently recommended tooth brushing technique is:? a. Roll technique b. Sulcular technique c. Transverse scrubbing technique d. Scrub technique 131 / 145 131) The amount of gingival crevicular fluid is:? a. Decreased by mastication of coarsee (គ្រោគគ្រាត គគ្រើម) food and smoking. b. Decreased by ovulation and hormonal contraceptives. c. Increase by trauma from occlusion d. Increased by tooth brushing and gingival massage. e. Decreased when inflammation is present. 132 / 145 132) A pseudopocket (or gingival pocket) is formed by the? a. Apical migration of the epithelial attachment. b. Apical migration of the gingival margin c. Coronal migration of the epithelial attachment d. Coronal migration of the gingival margin. 133 / 145 133) False gingival enlargement is caused by:? a. By epulis. b. Underlying inflammation of periodontal ligament. c. Underlying dental and osseous structures. d. Sarcoidosis (រោគពកសាច់) e. Underlying drug induced gingival enlargement. 134 / 145 134) A 42-year-old female presents with minimal plaque and inflammation. Radiographs show vertical and angular bone loss on the distal side of #37. Which one is the closest diagnosis of this case? a. Localized necrotizing periodontitis b. Localized chronic periodontitis c. Localized aggressive periodontitis, d. Localized periodontal abscess, 135 / 145 135) The best toothbrush bristle is:? a. Medium b. Hard c. Electric d. Soft 136 / 145 136) Clinical finding of chronic periodontitis:? a. Loss of clinical attachment b. Chronic inflammation in the marginal gingiva c. All are corrects d. Presence of periodontal pockets 137 / 145 137) When there is an abscess with fistula tract, we can traced the causing tooth by:? a. Panoramic radiograph b. Incision drainage c. Biopsie d. Insertion of gutta percha and taking x-ray 138 / 145 138) Periodontal abscess is:? a. Localized purulent inflammation of teeth and soft tissue b. Localized purulent inflammation of periodontal tissues c. Localized purulent inflammation resulting from fail endodontic treatment d. Localized purulent inflammation hard tissue 139 / 145 139) Each occlusal the following cyst is associated with an impacted tooth except:? a. Keratocyst b. calcifyinf epithelial odontogenic cyst c. Dentigerous cyst d. Primordial cyst. 140 / 145 140) Wire edge is produced in instruments by sharping strokes that are: …………….? a. All of The answer b. Away from cutting edge c. Away from cutting edge and Towards cutting edge d. Towards cutting edge 141 / 145 141) The term chronic inflammation is best defined as? a. An inflammatory process of short duration b. A process which will be self-limiting c. An inflammatory process of long duration d. A process with no evidence of repair e. An rapid onset of inflammation 142 / 145 142) Straightening of the teeth is called:? a. Pediatrics b. Endodontic c. Orthodontics d. Geometry 143 / 145 143) The distance between the apical extent of calculus and alveolar crest in human periodontal pockets is:? a. 3 mm. b. 1.97 mm (=33.16%). c. 0.2 mm. d. 4 mm. e. 0.02 mm. 144 / 145 144) The prevalence of gingival recession in people who are older than 50 years:? a. 40 % b. 80 % c. 100 % d. 60 % 145 / 145 145) A 65-year-old man with a chief complaint of loosing anterior lower teeth. Clinical finding shows excessive supra and subgingival plaque with bleeding on probing. Radiographs reveal severe bone loss on especially anterior lower teeth. Which is the closest diagnosis of this case? a. Generalized aggressive periodontitis b. Generalized chronic periodontitis c. Generalized necrotizing periodontitis d. Generalized gingivitis Your score isThe average score is 0% Facebook 0% Restart quiz Any comments? Send feedback