Periodontology I Test 0% 5 votes, 4.2 avg 0 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 The reflection of light from the lingual aspect through the teeth as they are examined from the buccal aspect is called: a. illumination. b. direct vision. c. transillumination. d. indirect vision. 2 / 60 Plaque Index was developed by: a. Silness and Loe in 1964 b. None of the above c. Russell in 1956 d. Loe and Silness in 1964 3 / 60 The ultrasonic sealer only dislodges calculus that: a. is already loose. b. has been formed recently. c. is in direct contact with the tip. d. is located on the interproximal surfaces. 4 / 60 While activating the instrument, the finger rest acts as a: a. fulcrum for activation of wrist-forearm motion. b. pivot point for movement. c. stabilizing point for the hand d. all of the above. 5 / 60 The bacteria detected in localized aggressive periodontitis are: a. Treponema denticola, fusobacterium nucleatum, rectus, Actinobacillus Actinomycetem comitans. b. Mycoplasma, capnocytophaga sputigena, spirocheles. c. Borrelia vincenti, medium size spirochetes and Fusiformis, Tanerella forsythus. d. Actinobacillus actinomycetemcomitans, capnocytophaga Spp., Eikenella corrodens, campylobacter rectus, prevotella intermedia 6 / 60 Mandibular first molars with grade I furcation involvement: a. Are almost certainly non-vital b. Demonstrate horizontal mobility of > 1.0 mm c. Should be managed using a tunnel preparation d. Have horizontal attachment loss of <l/3 the width of the tooth and May be managed using guided tissue regeneration (GTR) 7 / 60 The gram negative bacteria most numerous in oral cavity is:? a. Streptococci b. Selenomous c. Veillonella d. Eikenella 8 / 60 The primary objective of scaling and root planing is to: a. restore gingival tissues to health. b. create glasslike root surfaces. c. cause shrinkage of gingival tissues. d. remove all the cementum. 9 / 60 Cross-section of sickle scaler is: a. Half circular b. Circular c. Triangular d. Oval 10 / 60 Which of the following bacteria have the capacity to invade host tissue cells directly?: a. A.actinomycetemcomitans b. All of the above c. T.denticola d. P.gingivalis 11 / 60 The most common presentation of CEJ is: a. Enamel overlaps cementum b. Cementum overlaps enamel c. Failing to meet each other d. Butt- joint 12 / 60 The alveolus is lined with? a. A cancellous bone surface b. A cribriform plate of compact bone c. A cribriform plate of compact bone A cancellous bone surface d. A continuous layer of Haversian bone 13 / 60 The principal connective tissue cells present in the periodontal ligament are: a. cementoblasts b. fibroblasts . c. osteoblasts d. all of the above. 14 / 60 Crater-like deformities are seen in: a. Aggressive periodontitis b. NUG c. Chronic periodontitis d. Chronic gingivitis 15 / 60 The most effective time to give plaque control instructions on any scaling appointment is: a. after scaling and polishing. b. after scaling and before polishing. c. before periodontal exam and charting. d. the sequence is not important. e. after examination and before scaling. 16 / 60 The best diagnostic sign of gingival inflammation is: a. retractability. b. texture. c. cratering. d. edma, bleeding. 17 / 60 Intermediate cementum is found over the surface of : a. Cementum b. Enamel c. Dentin d. Cementoenamel junction 18 / 60 The predominant inflammatory cell in early lesion: a. Macrophages b. T lymphocytes c. Plasma cell d. Neutrophil 19 / 60 The results of the extraoral and intraoral examination should be recorded in the patient’s chart whenever: a. findings are normal. b. it is performed, regardless of findings. c. findings are abnormal. d. a precancerous lesion is found. 20 / 60 Necrotising ulcerative periodontitis: a. Is not responsive to any therapy. b. Is associated with deep periodontal pockets, and Is associated with a crater like depression at the tip of interdental papilla and vesicle formation. c. Leads to gingival recession because of faulty tooth brushing. d. Is associated with a crater like interdental bony depression 21 / 60 The best grasp to use when holding an instrument to be sharpened is the: a. third-finger grasp. b. palm grasp. c. modified pen grasp. d. pen grasp. 22 / 60 Concerning the following organisms associated with periodontal diseases: a. Streptococci and Actinomyces spp. are early colonising organisms& Fusobacterium nudedum is an anaerobic motile rod implicated in chronic periodontitis b. Actinobacillus actinomycetemcomitans is effectively removed from periodontally involved sites by scaling and root planing c. Actinobacillus actinomycetemcomitans is an indigenous component of oral microflora d. Porphyromonas gingivdis and Actinobacillus actinomycetemcomitans are frequently isolated from healthy sites 23 / 60 Narrow < slit-like> areas of recession over the roots are called: a. festoons. b. craters. c. fenestrations. d. clefts. 24 / 60 The most common crystalline forms present in supragingival calculus are: a. Hydroxyapatite and magnesium whitlockite b. Magnesium whitlockite and octacalcium phosphate c. Hydroxyapatite and octacalcium phosphater d. Hydroxyapatite and brushite 25 / 60 The most common factor that defects healing after periodontal treatment: a. Foreign bodies b. Excessive manipultation of tissue c. Plaque d. Inadequate blood supply 26 / 60 The aim of root planing is to: a. Obtain a new connective tissue attachment to the root surface b. Remove the ulcerated epithelial pocket wall c. Remove calculus deposits and necrotic cementation and Facilitate healing by formation of a long junctional epithelium d. Remove the entire cementum layer to expose dentine 27 / 60 If calculus at the junctional epithelium is not detected and removed, the periodontal disease process will continue because the calculus: a. decomposes. b. is rough. c. harbors bacterial plaque. d. irritates the tissue. 28 / 60 Lobulated mulberry-shaped gingival enlargement is characteristic of : a. Inflammatory gingival enlargement b. All of the above c. Combined gingival enlargement d. Drug-induced ingival enlargement 29 / 60 Who was the first person to describe oral bacterial flora from a sample of material taken from his own gingival tissue: a. Glickman b. Anton Von Leuwenhoek c. Eustachius d. Pierre Fauchard 30 / 60 A heavy ledge of calculus is most efficiently removed by engaging the edge of the ledge with which part of the cutting edge?: a. lower third . b. upper third c. entire length d. middle third 31 / 60 The radiographic findings of gingivitis will Demonstrate: a. Normal bone pattern b. Horizontal bone loss c. Change in bone trabeculation d. Vertical bone loss 32 / 60 4The modified sickle is designed primarily for use on the: a. lingual and buccal surfaces. b. interproximals of posterior teeth. c. lingual calculus on mandibular anteriors. d. interproximal of anterior teeth. 33 / 60 Which of the following fiber group i.s not attached to alveolar bone : a. Dentoperiosteal fibers b. Horizontal fibers c. Transseptal fibers d. Oblique fibers 34 / 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 4 times daily for fourteen days c. Tetracycline 250mg once daily for 7 days. d. Tetracycline 250mg twice daily for 7 days. 35 / 60 When oral hygiene instruction is given during a scaling appointment, it should: a. none of the above; oral hygiene should only be taught as a separate series of plaque control appointments. b. follow scaling of the sextant or quadrant. c. precede instrumentation. d. only be performed when the patient requests it. 36 / 60 Which of the following is magnetized instrument?: a. Morse sickle scaler b. Hu-friedy after five curette c. Modified Gracey curette d. Schwartz periotrievers 37 / 60 The lamina densa contains what type of collagen? a. Type VII b. Type I c. Type IV d. Type IType IV 38 / 60 In CPITN: a. For appropriate treatment plan code 3 require supra and subgingival scaling and 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. For appropriate treatment plan code 2 requires improvement in home care. d. 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. 39 / 60 Furcation involvement is measured by: a. Naberβs probe. b. Michigan βOβ probe. and Periodontal explore c. CPITN probe. d. WHO probe. 40 / 60 Following a flap procedure, pressure is applied to the tissues for one minute in order to:? a. Achieve haemastosis b. Reduce post – operative swelling / edema c. Facilitate suturing d. Adapt the tissue against the bone. 41 / 60 The inter-dental aid to be used when the embrasure is filled with inter-dental papilla: β¦β¦β¦? a. Dental floss b. Wooden tip c. No, answer correct d. Plastic tip 42 / 60 Less calcified structure is? a. Cellular cementum, b. Acellular cementum, c. Dentin. d. Cementoid, 43 / 60 Tooth mobility caused by which of the following is not likely to be corrected: β¦.? a. Trauma from occlusion b. Loss of alveolar bone c. Inflammation in periodontal ligament d. Trauma from occlusion, Inflammation in periodontal ligament and Loss of alveolar bone 44 / 60 One of physical barriers in host response is:? a. connective epithelium, b. non-keratinized tissue c. connective tissue, d. keratinized tissue, 45 / 60 When there is an abscess with fistula tract, we can traced the causing tooth by:? a. Incision drainage b. Insertion of gutta percha and taking x-ray c. Biopsie d. Panoramic radiograph 46 / 60 Which a stroke use with probes and explores for evaluation of dimension of pocket and for explore Calculus on tooth surface? a. Exploratory Stroke b. Scaling stroke c. Scaling stroke, Exploratory Stroke and Root planning stroke. d. Root planning stroke 47 / 60 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 aggressive periodontitis b. Localized gingivitis c. Localized chronic periodontitis d. Localized necrotizing periodontitis 48 / 60 Which one of the following scalers is actvated with push motion: β¦β¦β¦β¦β¦..? a. Currette b. Hoe c. Chisel d. Sickle 49 / 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. Gingival recession b. Systemic infection c. Advanced periodontal disease, (periodontitis) d. Chronic gingivitis. e. Melanin pigmentation 50 / 60 New attachment is possible for: β¦β¦β¦β¦β¦β¦? a. Vital teeth and non- Vital teeth b. Non, correct answer c. Non-vital teeth d. Vital teeth 51 / 60 Subclinical gingivitis is:? a. Characterized by predominantly lymphocytes microscopically. b. Characterized by vascular proliferation. c. Characterized by increased crevicular fluid flow and infiltration of sulcular and junction epithelium by polymorphonuclear leukocytes. d. Characterized by predominantly plasma cell microscopically. e. Characterized by erythema, bleeding on probe. 52 / 60 The periodontium consists of all of the following EXCEPT? a. Alveolar bone b. Periodontal ligament c. Pulp of tooth d. Gingiva e. Cementum 53 / 60 How many strokes? a. 3 b. 1 c. 2 d. 4 54 / 60 What is the difference between gingivitis and periodontitis? a. Loss of epithelial attachment. b. Mobility of tooth. c. Not correct answer d. Periodontitis pocket. e. Gingival sulcus. 55 / 60 Clinical finding of chronic periodontitis:? a. Chronic inflammation in the marginal gingiva b. Loss of clinical attachment c. All are corrects d. Presence of periodontal pockets 56 / 60 Root planning is: β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦? a. Removal of soft tissue wall of the periodontal pocket. b. Removal of material Alba and stains from root surface. c. Removal of calculus and plaque from root surface. d. Removal of food debris from tooth surface. e. Removal of disease cementum along with other root deposits. 57 / 60 Which one in Phase II therapy (Surgical phase):? a. Plaque biofilm and removal calculus, periodontal condition (pocket, inflammation), occlusion and tooth mobility, other pathologic change. b. Periodontal surgery, including placement implant, Endodontic therapy. 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. Final restoration, Fixed and removable prosthodontics, Evaluation of restoration periodontal examination. 58 / 60 Linear action of the tip is feature of: β¦β¦β¦β¦β¦β¦β¦? a. Magnetostrictive b. Piezo scaler c. All of answer d. Sonic scaler 59 / 60 The most common form of periodontal disease that causes irreversible damage to the periodontium is:? a. Necrotising ulcerative periodontitis, Aggressive periodontitis, chronic periodontitis b. Necrotising ulcerative periodontitis c. Drug induced periodontal d. Aggressive periodontitis, chronic periodontitis e. Plaque induced inflammation condition gingivitis 60 / 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 c. Smoking ,Diabetes, Poor Oral Hygiene, Osteoporosis, HIV/AIDS d. Smoking ,Diabetes, Poor Oral Hygiene, Osteoporosis e. Smoking ,Diabetes, Poor Oral Hygiene, Osteoporosis, HIV/AIDS, Medication Your score isThe average score is 0% Facebook 0% Restart quiz Any comments? Send feedback Β Β Β
