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 A localised acute periodontal abscess: a. Is usually painful when the associated tooth is percussed b. Often tracks through the alveolar bone, resulting in a buccal sinus opening c. Should be managed initially using locally delivered antimicrobials d. Is almost certainly associated with a non-vital tooth and Should be managed initially using systemic antimicrobials 2 / 60 Basal bone is not part of the periodontium, as it is located under the alveolar process that houses the dentition. Following completion of amelogenesis in humans, the anatomic crown is lined with a layer of reduced enamel epithelium. This layer is derived primarily from which of the following? a. Stratum intermedium and ameloblast layer b. Stellate reticulum and stratum intermedium&Stratum intermedium and ameloblast layer c. Outer enamel epithelium and stellate reticulum d. Stellate reticulum and stratum intermedium 3 / 60 Adhesion molecule present in cementum: a. Insulin growth factor b. None of the above c. Cementum attachment protein d. Vascular adhesion molecule 4 / 60 The term epithelial attachment properly refers to ? a. The interface of the junctional epithelium with the tooth b. The hemidesmosomes of basal cells c. Junctional epithelium , The interface of the junctional epithelium with the tooth d. Junctional epithelium 5 / 60 Whichofthefollowingwillincreaseduringmenstruation: a. Salivary bacterial count b. Both the above c. Exudate from inflamed gingiva d. None of the above 6 / 60 Lobulated mulberry-shaped gingival enlargement is characteristic of : a. Combined gingival enlargement b. Inflammatory gingival enlargement c. Drug-induced ingival enlargement d. All of the above 7 / 60 The main function of gingiva is : a. Providing blood supply to teeth b. Attaching the tooth to alveolar bone c. Protection of underlying tissues d. Taking the brunt of mastication 8 / 60 Which of all the following come under PhageI therapy: a. Chemical plaque control b. All of the c. Removal of calculus d. Excavation of caries 9 / 60 The submandibular salivary glands are best examined by: a. bimanual palpation. b. indirect vision in the mirror. c. transillumination. d. asking the patient to lift the tongue up and back. 10 / 60 Which of the following factors restricts the use of the file to supragingival areas or subgingival areas where the tissue is easily displaced?: a. limited tactile sensitivity b. straight cutting edges c. size of the blade d. sharp corners on blade e. all of the above 11 / 60 Which of the following structures is NOT part of the enamel organ? a. Stellate reticulum b. Odontoblast layer c. Stellate reticulum Odontoblast layer d. Stratum intermedium 12 / 60 According to the random burst model of periodontal disease progression: a. Bursts of disease activity are random with respect to previous episodes of destruction b. Disease activity is present only at sites that bleed c. Multiple sites break down within a finite time period d. Some sites remain free of disease throughout the life of the patient and Sites of previous disease may remain quiescent indefinitely 13 / 60 Prevalence of gingivitis increased during: a. All the above b. Puberty c. Menstruation d. Pregnancy 14 / 60 For complete removal of calculus on a proximal surface, strokes should be extended: a. to the cementoenamel junction. b. just under the gingiva. c. onto the lingual surface. d. at least halfway across the surface. 15 / 60 Guided tissue regeneration (GTR): a. Is indicated in class I furcation defects b. Is dependent on the formation of a stable blood clot for best results c. Typically results in clinical improvements in probing depths, attachment levels and gingival recession d. Requires the use of a non-resorbable membrane (e.g. ePTFE) for best results in osseointegration 16 / 60 During a sequence of scaling appointments the most advantageous approach is to: a. thoroughly scale and root plane a designated segment to completion. b. scale the entire mouth at each appointment. c. anesthetize the entire mouth. d. only give anesthesia for areas of depth over 6 mm. 17 / 60 If your patient has hypersensitive teeth or caries you should use: a. a soft steam of hot air. b. a steady soft stream of air. c. short jets of cool air, one short blast of air. d. short jets of warm air 18 / 60 Which of the following has the highest rate of desquamation (i.e. number of cells shed per unit surface area) ? a. Junctional epithelium b. Oral epithelium Sulcular epithelium c. Oral epithelium d. Sulcular epithelium 19 / 60 Root planning is: a. Removal of food debris from tooth surface. b. Removal of diseased cementum along with other root deposits. c. Removal of material Alba and stains from root surface. and Removal of soft tissue wall of the periodontal pocket. d. Removal of calculus & plaque from root surface. 20 / 60 Which one of the following species of Streptococci is usually not found in dental plaque? a. S. sanguis b. S. pyogens c. S. mutans d. S. salivarius 21 / 60 Coupling phenomenon is: a. Association of osteoblast with the matrix for bone mineralization b. Contact between various osteocytes with in haversian system for exchange of nutrients c. Interdependency of osteoblasts and osteoclasts in remodeling d. Association of osteoclast with bone surface for resorption 22 / 60 80Which of the following areas of the tooth are considered most sensitive from various stimuli?: a. Occlusal ,incisal b. Lingual , cervical c. Cervical ,proximal d. Facial ,cervical 23 / 60 During an acute gingival inflammatory response, which of the following cell types can destroy virulent bacteria by phagocytosis and T-cell mediation? a. Polymorhonuclear leukocyte b. Macrophage c. Plasma cells d. Limphocytes e. Mast cells 24 / 60 Which of the following is more mineralzed?: a. Cellular intrinsic fiber cementum b. Intermediate cementum c. A cellular extrinsic fiber cementum d. Cellular mixed stratified cementum 25 / 60 The modified pen grasp is distinguished from other grasps because: a. the thumb, middle and ring finger are used. b. the pad of the middle finger is placed on the shank. c. the index finger is placed on the shank. d. d. the side of the middle finger is placed against the shank. 26 / 60 If calculus at the junctional epithelium is not detected and removed, the periodontal disease process will continue because the calculus: a. harbors bacterial plaque. b. irritates the tissue. c. is rough. d. decomposes. 27 / 60 If the probing pocket depth is 6mm and gingival recession is 2mm then the total clinical attachment loss is: a. 6mm b. 2mm c. 8mm d. 4mm 28 / 60 A conventional intraoral finger rest with a “built-up” fulcrum is difficult to establish in what region of the mouth?: a. mandibular posterior b. maxillary posterior . c. maxillary anterior d. mandibular anterior e. none of the above 29 / 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. Glickman c. Pierre Fauchard d. Eustachius 30 / 60 The narrowest zone of gingiva is found in the region of? a. The lingual surface of the mandibular first molar b. The buccal surface of the maxillary first molar c. The buccal surface of the maxillary first molar The lingual surface of the mandibular first molar d. The buccal surface of the mandibular canine and first premolar 31 / 60 Leukotoxin are produced by which of the following periopathogens: a. F.nucleatum b. P.intermedia c. A.actinomycetemcomitans d. P.gingivalis 32 / 60 Which of the following does not improve healing after periodontal treatment: a. Debridement b. Pressure c. Oxygen insufflation d. Immobilization 33 / 60 Periodontal attachment loss detect clinically: a. When there is recession and/or true pocket b. When there is recession only. c. When there is radiographic alveolar bone loss. d. When there is true pocket only. 34 / 60 The growth of Porphyromonas gingivalis is enhanced by a metabolic byproduct succinate produced by:? a. Veillonella b. Streptococcus c. Capnocytophaga d. Actinomyces 35 / 60 Which of the following is not a significant risk factor for periodontal disease: a. Smoking b. Aging c. Diabetes d. Poor oral hygiene 36 / 60 A good finger rest or hand rest must be located to allow: a. all of the above b. optimal working angulation. c. a "built-up" fulcrum. d. wrist-forearm motion. e. parallelism of the handle or shank. 37 / 60 The lamina densa contains what type of collagen? a. Type VII b. Type IV c. Type I d. Type IType IV 38 / 60 Radiographic features of trauma from occlusion include all of the following expect: a. Thickening of lamina dura b. Angular bone loss c. Increase in the width of periodontal ligament space d. Hyalinization of periodontal ligament space 39 / 60 The anchoring fibrils are composed of what type of collagen? a. Type I Type IV b. Type VII c. Type IV d. Type I 40 / 60 How many working ends of a hoe are needed to make a complete s that will adapt to all tooth surfaces?: a. six b. three c. four d. two e. one 41 / 60 Which of the following dose not increase the flow of crevicular fluid: a. Brushing b. Trauma from occlusion c. Inflammation d. Smoking 42 / 60 Anchorage of the tooth to the alveolar process is mediated through which of the following? a. Sharpey's fibers b. Oxytalan fibers c. Transseptal fibers d. Transseptal fibers Oxytalan fibers 43 / 60 Microorganism which uses steroids as growth factor is:? a. P. gingivalis b. S. sanguis c. P. intermedia d. S. mutans 44 / 60 The best way to examine the dorsum of the tongue is to: a. extend the tongue fully by grasping with a dry gauze square and use direct vision. b. ask patient to say "ah" and depress tongue with mouth mirror. c. use a dental mirror for indirect vision. d. palpate between the thumb and index finger. 45 / 60 Polymorphonuclear leukocytes (neutrophils): a. Represent the first line of cellular defences against periodontal pathogens, Contribute to the destruction of the periodontal tissues during periodontitis and are almost always found in the gingival tissues b. Secrete matrix metalloproteinase (MMP) type 1 c. Contribute to the destruction of the periodontal tissues during periodontitis d. Are not found in the gingival sulcus 46 / 60 CELLULAR cementum is most likely found around ? a. The cervical portion of the root b. The root of an unerupted tooth The apical portion of the root c. The apical portion of the root d. The root of an unerupted tooth 47 / 60 A compound periodontal pocket is? a. No, right answer. b. Spiral type of pocket. c. Present on two or more tooth surfaces. d. Infrabony in nature. 48 / 60 Chisel is sharpened with: β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦β¦..? a. Pull stroke and Push stroke b. Pull stroke c. Push stroke d. None, answer are correct 49 / 60 α§ααααααααααΌαααΆααααααΆαα periodontal index:? a. Light and Mouth mirror. b. Light. c. Light, Mouth mirror and explorer (periodontal probe). d. Light, Mouth mirror and graduated probe. 50 / 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. 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. 51 / 60 Following a flap procedure, pressure is applied to the tissues for one minute in order to:? a. Adapt the tissue against the bone. b. Facilitate suturing c. Achieve haemastosis d. Reduce post – operative swelling / edema 52 / 60 Which one of the following is a surgical sickle? a. NEV!-2 b. Ball c. Jaquette d. Morse 53 / 60 Order of periodontal treatment? a. Treatment planning b. Diagnosis, prognosis and Treatment planning c. Diagnosis, Treatment planning d. Prognosis e. Diagnosis 54 / 60 Which of the following are true of chronic periodontitis? a. It is characterized by loss of alveolar bone and bleeding b. Drifting of teeth is not a common finding c. Recession is rare d. It is a rare condition e. Pockets depths are usually less than 4 mm 55 / 60 Dental floss is use to:? a. Remove interdental plaque b. Remove interdental plaque, interdental food and debris. c. Message gums d. Prevent gingival recession 56 / 60 Periodontal pockets can BEST be detected by: β¦β¦β¦β¦β¦? a. The color of the gingival b. The contour of the gingival margin c. Probing the sulcular area. d. Radiographic detection 57 / 60 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: β¦β¦? a. Generalized juvenile periodontitis. b. Localized aggressive periodontitis. c. Generalized aggressive periodontitis. d. Localized juvenile periodontitis. 58 / 60 Indications for muco-gingival surgery include the following EXCEPT a. A shallow vestibule. b. Infrabony pocket. c. A high frenum attachment. d. Insufficient attached gingiva. 59 / 60 The inter-dental aid to be used when the embrasure is filled with inter-dental papilla: β¦β¦β¦? a. Dental floss b. Plastic tip c. Wooden tip d. No, answer correct 60 / 60 Periodontal pockets can BEST be detected by:? a. The color of the gingival b. The contour of the gingival margin c. Radiographic detection d. Probing the sulcular area. Your score isThe average score is 0% Facebook 0% Restart quiz Any comments? Send feedback Β Β Β
