Description : In class II preparation it is difficult to place the gingival seat when preparation is extended too gingivally because the: A. Enamel rods are directed occlusally B. Marked cervical constriction
Last Answer : B. Marked cervical constriction
Description : In which direction you would extract a deciduous upper molar: A. Rotation B. Buccally C. Lingually
Last Answer : B. Buccally
Description : How often should a bitewing be taken for children: A. Every visit routinely B. Every year after parent’s permission
Last Answer : B. Every year after parent’s permission
Description : A 45 years-old patient awoke with swollen face, puffiness around the eyes, and oedema of the upper lip with redness and dryness. When he went to bed he had no swelling, pain or ... B. Angioneurotic oedema C. Infectious mononucleosis D. Acute maxillary sinusitis E. Acute apical periodontitis
Last Answer : B. Angioneurotic oedema
Description : Proximal caries on x-rays appears: A. Smaller than clinically seen B. Larger than clinically seen C. The same
Last Answer : A. Smaller than clinically seen
Description : Caries which is close to the pulp chamber; on x rays you find ‘dens in dente’; the right treatment is: A. Zinc oxide eugenol cement and amalgam B. Pulpectomy C. Pulpotomy D. Calcium hydroxide on pulp and amalgam
Last Answer : B. Pulpectomy
Description : How can a periodontal pocket be recognised:** A. X-Ray B. Periodontal probe / Calibrated probe C. Periodontal marker D. Bitewing radiograph E. Sharp explorer F. Study cast
Last Answer : B. Periodontal probe / Calibrated probe
Description : A gingivally extended chrome cobalt cast clasp: A. Can extend 0.5 under the surveyor line B. Can extend 0.25 under the surveyor line C. Will resist deforming forces better compared to cast gold
Last Answer : B. Can extend 0.25 under the surveyor line
Description : .Which radiographic method would you use in assessing periodontal conditions and lesions: A. Bitewing B. Periapical C. Occlusal D. Panoramic
Last Answer : B. Periapical
Description : The bur should be tilted lingually when preparing the occlusal surface of class II cavity on a mandibular first premolar in order to: I. Remove unsupported enamel II. Prevent encroachment on the buccal pulp horn III. Prevent ... and II B. I and III C. II and IV D. III and IV E. IV only
Last Answer : C. II and IV
Description : Your patient has fainted, the signs are, blanched face, weak pulse, moist skin, shallow respiration; your first management is: A. 1 ml adrenaline subcutaneously B. Mouth to mouth respiration C. Nitro glycerine sub lingually D. Recumbent position; supine
Last Answer : D. Recumbent position; supine
Description : The pulpal floor of the Class II cavity for a mandibular first premolar should be: GA.Parallel to occlusal plane B. Perpendicular to long axis C. Tilted lingually
Last Answer : GA.Parallel to occlusal plane
Description : Why do you extract lower 8’s by directing the extraction lingually:** A. Because of the roots direction B. Thinner bone C. Lingual deviation
Last Answer : B. Thinner bone
Description : How would you extract 35? A. Rotation B. Lingually C. Labially
Last Answer : A. Rotation
Description : For lower premolars, the purpose of inclining the handpiece lingually is to, A. Avoid buccal pulp horn B. Avoid lingual pulp horn C. Remove unsupported enamel D. Conserve lingual dentine
Last Answer : A. Avoid buccal pulp horn
Description : An upper deciduous molar has a caries exposure and on X ray the corresponding 2nd permanent premolar is absent. What treatment would you do to the deciduous tooth: A. Pulpotomy B. Endodontic treatment C. Pulp capping
Last Answer : B. Endodontic treatment
Description : for dental caries to progress in dentine, A. the dentine must contain soluble collagen B. enamel must contain glycoproteins C. diet must contain simple carbohydrate D. diet must contain polysaccharides E. pulp must contain complement
Last Answer : C. diet must contain simple carbohydrate
Description : Which of the following is NOT a complication of radiation to head and neck area:** A. Xerostomia B. Mucositis C. Increased caries D. Heightened taste sensation E. Increased risk of osteomyelitis
Last Answer : D. Heightened taste sensation
Description : Transillumination is used to detect :** A. intrinsic tooth coloration B. caries C. Pulp-stones D. Hemorrhagic pulp E. Calculus
Last Answer : B. caries
Description : What is the affect of office dental prophylaxis of regular six month intervals on children's oral health? A. Reduce caries incidence by approximately 30% B. Provide a long term improvement in ... term improvement in oral hygiene D. Prevent gingivitis E. Reduce the need for patient cooperation
Last Answer : C. Provide a short term improvement in oral hygiene
Description : Patient presents with rapidly progressive root caries on many teeth. Which of the following laboratory results would be a possible indicator of this? A. Stimulated salivary secretion rate of 1.5ml/min B. ... of 105 organism/ml E. Salivary buffering PH 5.5 > 100000 CFU/ml high caries incidence
Last Answer : E. Salivary buffering PH 5.5
Description : For dental caries to progress in dentine, A. The dentine must contain soluble collagen B. Enamel must contain glycoproteins C. Diet must contain simple carbohydrate D. Diet must contain polysaccharides E. Pulp must contain complement
Last Answer : C. Diet must contain simple carbohydrate
Description : Typical features of Down’s syndrome (Mongolism) do not include: A. Multiple immunodeficiencies B. Sever caries but minimal periodontal disease C. Susceptibility to infections D. Multiple missing teeth and malocclusion E. Hepatitis B carriage in institutionalised patients
Last Answer : B. Sever caries but minimal periodontal disease
Description : What is not true about tobacco smoking: a. Redox potential favours growth of anaerobic bacteria. b. It is caries immuno-suppressive. c. It is adrenergic. d. Affects neutrophils and chemotactic factors.
Last Answer : b. It is caries immuno-suppressive.
Description : Community water fluoridation MOST effectively achieves: a. 90. 95% reduction of caries. b. 45. 55% reduction of caries. Esta se corrects si no tuviera la ultima opcion c. Reduces pit and fissures caries more than smooth surfaces. d. Reduces smooth surfaces more than pit and fissures.
Last Answer : d. Reduces smooth surfaces more than pit and fissures.
Description : The most common cause of caries in children is, A. Soft diet B. High intake of carbohydrate C. Poor oral hygiene
Last Answer : B. High intake of carbohydrate
Description : Dental caries of the proximal surfaces usually starts at, A. Somewhere between the ridge and the contact area B. Just gingival to contact areas C. Just about the gingival margin
Last Answer : B. Just gingival to contact areas
Description : A patient complains of sensitivity, on examination you find a composite filling restoring a good cavity preparation without any secondary caries; what is your next step: A. Extirpate the pulp that is obviously ... to sedate the pulp C. Ask patient to come back in six months D. Repeat restoration
Last Answer : B. Place ZOE dressing to sedate the pulp
Description : Good oral hygiene and fluoridation is LEAST useful in preventing caries of: A. Pit and fissure B. Smooth surface C. Inaccessible areas
Last Answer : A. Pit and fissure
Description : What is NOT true about tobacco smoking: A. Redox potential favours growth of anaerobic bacteria B. It is caries immuno-suppressive C. It is adrenergic D. Affects neutrophils and chemotactic factors
Last Answer : B. It is caries immuno-suppressive
Description : For fissure and sealant treatment to be a part of the primary pretentive care: A. Place sealant on teeth which are at high risk of caries B. Place sealant on newly erupted teeth
Last Answer : B. Place sealant on newly erupted teeth
Description : Pit and fissure caries start at: A. bottom of the fissure B. walls of the fissure
Last Answer : B. walls of the fissure
Description : In regard to marginal leakage in amalgam: A. The wider the gap the better the chance of secondary caries B. Seal the margin with fissure sealant would prevent further breakdown C. Secondary caries may develop
Last Answer : A. The wider the gap the better the chance of secondary caries
Description : What effect do fissure sealants have on caries progression: A. Reduce new caries and hamper the progress of freshly established caries B. Reduce new caries and hamper the progress of existing caries
Last Answer : B. Reduce new caries and hamper the progress of existing caries
Description : The cervical finish line of a full veneer crown preparation should be placed: A. Just supragingival whenever is possible B. According to the depth of gingival crevice C. Subgingival to reduce ability of recurrent caries D. At the junction of tooth and amalgam core
Last Answer : A. Just supragingival whenever is possible
Description : When is a gingival groove LEAST required: A. When restoring with GIC for abrasion B. When restoring with GIC for root caries C. When restoring with GIC base and composite lamination D. When restoring with amalgam
Last Answer : C. When restoring with GIC base and composite lamination
Description : The most common reason to refer a child to a pedodontist is problems with: A. Rampant caries B. Behaviour management C. Endodontic treatments in primary teeth D. Space maintainers
Last Answer : B. Behaviour management
Description : A patient is resistant to caries but has a periodontal disease. In this case, sucrose in diet is important because: A. Sucrose is greatly involved in plaque development B. S. mutans produces ... with a continual supply of sucrose D. Existing plaque must continue to get sucrose in order to grow
Last Answer : A. Sucrose is greatly involved in plaque development
Description : The size of the pulp chamber within the tooth is influenced by: A. Age B. Parafunctional C. History of the tooth /abrasion, erosion, caries/ D. All of the above
Last Answer : D. All of the above
Description : Community water fluoridation MOST effectively achieves is:** A. 90-95% reduction of caries B. 45-55% reduction of caries C. Reduces pit and fissures caries more than smooth surfaces D. Reduces smooth surfaces more than pit and fissures
Last Answer : D. Reduces smooth surfaces more than pit and fissures
Description : What is the MOST important role of saliva in preventing dental caries: A. Buffering action
Last Answer : A. Buffering action
Description : Which of the following factors can affect the shape and size of the pulp canal: A. Chemical irritation and caries B. Trauma and function C. Attrition, wear and aging of the patient D. All of the above
Description : The MOST common cause of gingiva irritation is: A. Calculus B. Plaque C. Caries D. Restorative material
Last Answer : B. Plaque
Description : If amalgam gets contaminated with moisture, the most uncommon result is:** A. Blister formation B. Post operative pain C. Secondary caries D. Lower compressive strength
Last Answer : C. Secondary caries
Description : Dental plaque produces: A. Chelation B. Dental caries C. Acids
Last Answer : C. Acids
Description : A child with rampant caries taking medicine with high quantity of sugar; the best way to help preventing caries is, A. Change sugar to sorbitol sweetener B. Report the patient is having expectorant C. Give him the syrup during sleep time D. Give him inverted sugar
Last Answer : A. Change sugar to sorbitol sweetener
Description : Which one of following statement about Overdenture is not correct: A. Greater occlusal loads can be applied by the patient B. Retention and stability are generally better than with ... The retained roots are covered by the denture thus protecting them from caries and periodontal diseases
Last Answer : D. The retained roots are covered by the denture thus protecting them from caries and periodontal diseases
Description : What is true about Angioneurotic oedema, A. Puffiness around the eyes, oedema of the upper lip with redness and dryness B. Caused by several deep restorations in the anterior teeth C. There is no caries, negative thermal tests, negative percussion and negative response to palpation
Last Answer : A. Puffiness around the eyes, oedema of the upper lip with redness and dryness B. Caused by several deep restorations in the anterior teeth
Description : Using fluoride in the root surface caries is to protect, A. Enamel B. Dentine and cementum C. Cuticle
Last Answer : B. Dentine and cementum
Description : Clinical /Proximal in some papers/ caries on radiographs are seen: M07************ A. Smaller than the real one B. Larger than the real one C. The same size
Last Answer : A. Smaller than the real one