Periodontology I Test 0% 5 votes, 4.2 avg 334 You will have 60 minutes to complete all the questions. After the timer reaches 60 minutes, the exam will end and be saved automatically. Good luck! *Fingers crossed* The timer has been reached. The exam has now been terminated and saved. Periodontology I Test 1 / 60 Instrument used for crushing of subgingival calculus: a. Ball-sickle b. After five curette c. Hirsch field-file d. Oschenbein chisel 2 / 60 Who described scaling of teeth with a sophisticated set of instruments in 10th century itself: a. Abul-Qasim b. Ibn Sina c. Etruscans d. Plato 3 / 60 Although all of the following procedures may be necessary phases of periodontal therapy, which of these is absolutely essential for successful treatment and a favorable prognosis?: a. elimination of local etiologic factors through plaque control instruction, and reinforcement at each appointment . b. periodontal surgery for pocket elimination c. thorough scaling, root planing and curettage d. final evaluation and maintenance on a three-month recall 4 / 60 The bacteria detected in localized aggressive periodontitis are: a. Actinobacillus actinomycetemcomitans, capnocytophaga Spp., Eikenella corrodens, campylobacter rectus, prevotella intermedia b. Mycoplasma, capnocytophaga sputigena, spirocheles. c. Borrelia vincenti, medium size spirochetes and Fusiformis, Tanerella forsythus. d. Treponema denticola, fusobacterium nucleatum, rectus, Actinobacillus Actinomycetem comitans. 5 / 60 Excisional new attachment procedure involves: a. Internal bevel incision from the margin of the free gingiva apically to point below bottom of pocket b. A free gingival graft. c. A periodontal flap. d. A regenerative osseous procedure, Root planning. 6 / 60 The straight sickle should not be used for removal of: a. subgingival calculus on the mandibular anteriors. b. supragingival calculus from the interproximals of the mandibular anteriors. c. supragingival calculus on the linguals of the mandibular anteriors. d. stain and calculus in the fossae of the maxillary anteriors. 7 / 60 Reevaluation of the response to removal of local etiologic factors should be performed: a. at the end of the initial therapy phase. b. only during the maintenance phase. c. throughout the initial preparation stage. d. only when the patient requests it. 8 / 60 In human teeth, afibrillar cementum is most likely encountered as ? a. On the roots of unerupted teeth b. Coronal cementum Radicular cementum in furcations c. Coronal cementum d. Radicular cementum in furcations 9 / 60 Porphyromonas gingivdis:? a. Has the ability to invade gingival soft tissues, Is generally encapsulated b. Is an obligate aerobe c. Is a causative organism for localised aggressive periodontitis d. Is one of the first bacterial species to colonise a newly cleaned tooth surface 10 / 60 Localized aggressive periodontitis is best treated in early stage by: a. Tetracycline 250mg 4 times daily for 3 days. and Tetracycline 250mg 4 times daily for 5 days b. Tetracycline 250mg once daily for 7 days. c. Tetracycline 250mg twice daily for 7 days. d. Tetracycline 250mg 4 times daily for fourteen days 11 / 60 The major type of collagen associated with bone matrix is? a. Type X b. Type I c. Type II d. Type I & Type II 12 / 60 The initial colonisers in the dental plaque are: a. Eikehella corrodens, actinobacills actenomycetem comitans. b. Fusobacterium nucleatum, prevotella intermedia. c. Streptococcus sanguis, actinomyces viscosus d. Capnocytophaga species, campylobacter rectus and Tannerellaforsythus, bacterionema maturochottii. 13 / 60 The primary function of the file is to : a. fracture heavy tenacious calculus. b. root plane. c. completely remove heavy subgingival calculus. d. remove heavy supragingival calculus. 14 / 60 In periodontal health: a. The alveolar bone crest is at the same level as the cementoenamel junction b. Gingival crevicular fluid (GCF) is absent,Teeth show no mobility c. The width of keratinised gingiva is the same through the mouth d. There are no periodontal pockets 15 / 60 Who was the first person to describe oral bacterial flora from a sample of material taken from his own gingival tissue: a. Anton Von Leuwenhoek b. Pierre Fauchard c. Eustachius d. Glickman 16 / 60 In humans, bundle bone is most likely to be found? a. On the distal surface of the alveolus Lining the fundus of the alveolus b. Lining the fundus of the alveolus c. On the distal surface of the alveolus d. On the mesial surface of the alveolus 17 / 60 Junctional epithelium shows formation of reted pegs in: a. Stage I gingivitis(Initial) b. Stage IV gingivitis(advanced) c. Stage II gingivitis (Early) d. Stage III gingivitis (Established) 18 / 60 CELLULAR cementum is most likely found around ? a. The apical portion of the root b. The root of an unerupted tooth The apical portion of the root c. The cervical portion of the root d. The root of an unerupted tooth 19 / 60 Which of the following fibers increases with age in periodontal ligament?: a. Elastic fibers b. Type II collagen c. Oxytalan fibers d. Type I collagen 20 / 60 Adhesion molecule present in cementum: a. Vascular adhesion molecule b. Insulin growth factor c. Cementum attachment protein d. None of the above 21 / 60 Narrow “slit-like” areas of recession over the roots are called: a. fenestrations. b. festoons. c. clefts. d. craters. 22 / 60 A good finger rest or hand rest must be located to allow: a. wrist-forearm motion. b. a "built-up" fulcrum. c. optimal working angulation. d. all of the above e. parallelism of the handle or shank. 23 / 60 Pockets extending into areas of vertical bone loss are called: a. alveolar pockets. b. suprabony pockets. c. infrabony pockets. d. pseudo pockets. 24 / 60 Concerning the following organisms associated with periodontal diseases: a. Actinobacillus actinomycetemcomitans is effectively removed from periodontally involved sites by scaling and root planing b. Streptococci and Actinomyces spp. are early colonising organisms& Fusobacterium nudedum is an anaerobic motile rod implicated in chronic periodontitis c. Porphyromonas gingivdis and Actinobacillus actinomycetemcomitans are frequently isolated from healthy sites d. Actinobacillus actinomycetemcomitans is an indigenous component of oral microflora 25 / 60 The best diagnostic sign of gingival inflammation is: a. edema. b. texture. c. cratering. d. retractability. e. bleeding. 26 / 60 Synthetic resorbable suturing materials in periodontal surgery is: a. Polyester, Chromic gut. b. Polyglycolic. c. Expanded polytetra fluoroethylene. d. Nylon. 27 / 60 The antibiotic to which all strains of Actinobacillus are susceptible is: a. Amoxicillin b. Metronidazole c. Ciprofloxacin d. Tetracycline 28 / 60 A traumatic occlusal force acting on a tooth with a healthy periodontium will likely cause: a. Radiographic widening of the periodontal membrane space, Increased tooth mobility Gingival recession b. Gingivitis, Periodontal disease c. Gingivitis d. Periodontal disease 29 / 60 The mucogingival junction is located between the: a. Attached gingiva and alveolar mucosa b. Free gingival and attached gingiva c. Fee gingival and tooth d. Base of the sulcus and alveolar mucosa 30 / 60 Which of the following is not included in the Green complex?: a. Aggregatibacter actinomycetemcomitans serotype a b. P.gingivalis c. Capnocytophaga spp. d. Eikenella corrodens 31 / 60 During an acute gingival inflammatory response, which of the following cell types can destroy virulent bacteria by phagocytosis and T-cell mediation? a. Limphocytes b. Macrophage c. Polymorhonuclear leukocyte d. Mast cells e. Plasma cells 32 / 60 Subclinical gingivitis is: a. Characterized by increased crevicular fluid flow and infillration of sulcular and junctional epithelium by polymorphonuclearleukocytes. b. Characterized by vascular proliferation. c. Characterized by predominantly plasma cells microscopically. and Characterized by erythema, bleeding on probing. d. Characterized by predominantly lymphocytes microscopically. 33 / 60 Greater occlusal pressure on the periodontium produces: a. Increased resorption of alveolar bone and formation of cementum. b. Injury to fibroblasts and other connective tissue cells lead to necrosis of areas of the ligament. c. Disintegration of blood vessels within 30 minutes. and Disintegration of blood vessels within 05 minutes. d. A gradation of changes in periodontal ligament starting with tension of fibers which produce areas of fibrosis. 34 / 60 All of the following are true about fibroblasts except: a. fibroblasts are principal connective tissue cells of the periodontal ligament. b. Fibroblasts have pseudopodia like processes c. Fibroblasts synthesize collagen. d. Fibroblasts are not capable of phagocytosis for collagen destruction. 35 / 60 The predominant inflammatory cell in early lesion: a. T lymphocytes b. Plasma cell c. Macrophages d. Neutrophil 36 / 60 In CPITN: a. For appropriate treatment plan code 2 requires improvement in home care. b. Pocketing of 6mm or more, that is when the gingival margin is on the black area of the probe is code no. 4. c. The dentition is divided into five segments. and Pocketing of 4-5 mm, that is, when the gingival margin is on the clear area is code no. 3. d. For appropriate treatment plan code 3 require supra and subgingival scaling and improvement in home care. 37 / 60 Powered toothbrushes: a. Are generally cheaper than manual toothbrushes b. Should be used with the Bass toothbrushing technique c. Have a 'novelty effect' associated with their use and are generally cheaper than manual toothbrushes d. Are more effective in removing plaque than manual toothbrushes, Have brushheads that are designed specifically for patients with fixed orthodontic appliances and Have a 'novelty effect' associated with their use 38 / 60 Clinical measurements of probing depths are likely to be influenced by: a. Subgingival calculus b. Probing force and Dimensions of the probe c. Inflammatory infiltrate at the base of the pocket and Angulation of the probe d. all of the above 39 / 60 Which of the following cell types is unable to undergo mitosis? a. Ameloblasts b. Stratum intermedium cells c. Ameloblasts Pre-ameloblasts d. Pre-ameloblasts 40 / 60 Which of the following is a clinical indication for microbial analysis of plaque: .? a. Periodontitis associated with systemic conditions b. Refractory periodontitis c. All of answer d. Aggressive periodontitis 41 / 60 Dental plaque adheres to the tooth surface by? a. Sucrose, b. Dextran (insoluble and sticky), c. Epithelial cells d. Bacteria, 42 / 60 Chronic periodontitis is the most common form of periodontitis. Which of the following is NOT a clinical feature of the disease? a. Supra and subgingival plaque b. Negative papillae c. Loss of periodontal attachment d. Gingival inflammation 43 / 60 Heamatological disorder associated with periodontal disease is? a. Histiocytosis X b. Hypophosphatesia, c. AIDS. d. Wegenerβs granulomatosis, 44 / 60 Risk factors of periodontal disease are:? a. Smoking, Diabetes, Poor Oral Hygiene, Osteoporosis, HIV/AIDS, Medications and Stress. b. Smoking ,Diabetes, Poor Oral Hygiene, Osteoporosis, HIV/AIDS, Medication c. Smoking ,Diabetes, Poor Oral Hygiene, Osteoporosis d. Smoking, Diabetes, Poor oral hygiene e. Smoking ,Diabetes, Poor Oral Hygiene, Osteoporosis, HIV/AIDS 45 / 60 Which one in Phase I therapy (non-surgery 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. Periodontal surgery, including placement implant, Endodontic therapy. c. Plaque biofilm control, Diet control, Scaling and Root planning to removal plaque and calculus. d. Final restoration, Fixed and removable prosthodontics, Evaluation of restoration periodontal examination. e. Plaque biofilm and removal calculus, periodontal condition (pocket, inflammation) occlusion and tooth mobility, other pathologic change. 46 / 60 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. Aggressive periodontitis. b. Chronic periodontitis modified by systemic condition. c. Periodontitis as a manifestation of systemic disease. 47 / 60 The distance between the apical extent of calculus and alveolar crest in human periodontal pockets is: β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦? a. 3 mm. b. 4 mm. c. 0.02 mm. d. 0.2 mm. e. 1.97 mm (=33.16%). 48 / 60 The amount of gingival crevicular fluid is: β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦.? a. Increase by trauma from occlusion b. Increased by tooth brushing and gingival massage. c. Decreased by mastication of coarsee (αααααααααΆα αααααΎα) food and smoking. d. Decreased when inflammation is present. e. Decreased by ovulation and hormonal contraceptives. 49 / 60 ααΆαααΆαααααααα’αΉα ααααα ααΆαααααααΆα αα αααα»α (Horizontal bone loss is present in):? a. Chronic periodontitis. b. Infrabony pockets. c. Generalized aggressive periodontitis. d. Acute necrotizing ulcerative gingivitis. e. Localized aggressive periodontics. 50 / 60 Ultrasonic scaling is done with: β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦? a. overlapping vertical strokes b. overlapping horizontal strokes c. Nonoverlapping horizontal strokes d. Nonoverlapping vertical strokes 51 / 60 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. d. 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. e. Periodontal surgery, including placement implant, Endodontic therapy. 52 / 60 Which one in Phase III therapy (Restoration phase):? a. Plaque biofilm control, Diet control, Scaling and Root planning to removal plaque and calculus. b. Periodontal surgery, including placement implant, Endodontic therapy. c. Final restoration, Fixed and removable prosthodontics, Evaluation of restoration periodontal examination. d. Plaque biofilm and removal calculus, periodontal condition (pocket, inflammation), occlusion and tooth mobility, other pathologic change. 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. 53 / 60 α’αΆαααα Periodontal ααααααααα ααααΌαααΆαααααΆααΆα ααα (Acute periodontal abscess is Treated by):? a. Periodontal flap procedure b. Antibiotics c. Gingivectomy d. Gingivoplasty e. Drainage through the sulcus or by an external incision + antibiotics. 54 / 60 The term chronic inflammation is best defined as? a. An inflammatory process of long duration b. A process which will be self-limiting c. An inflammatory process of short duration d. A process with no evidence of repair e. An rapid onset of inflammation 55 / 60 Which of the following periodontal disease does not have calculus? a. Juvenile periodontitis. b. Chronic adult periodontitis. c. Periodontal pocket. d. Acute necrotizing ulcerative gingivitis. e. Periodontal abscess. 56 / 60 Average human biologic is: β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦.? a. 1 mm. b. 3 mm. c. 0.5 mm. d. 2 mm. e. 4 mm. 57 / 60 Periodontal disease is a risk factor for:? a. Early puberty b. Pregnancy c. Emotional stress d. Diabetes 58 / 60 A compound periodontal pocket is? a. Present on two or more tooth surfaces. b. Infrabony in nature. c. No, right answer. d. Spiral type of pocket. 59 / 60 For periodontal patient, the most frequently recommended tooth brushing technique is:? a. Roll technique b. Transverse scrubbing technique c. Sulcular technique d. Scrub technique 60 / 60 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. Increase by trauma from occlusal d. Decreased by ovulation and hormonal contraceptives. e. Increased by tooth brushing and gingival massage. 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