Description : Which pin system has proven to be the most retentive A. Self tapping threaded pin B. Friction peak pin C. Cemented pin
Last Answer : A. Self tapping threaded pin
Description : A large amalgam core is to be condensed around several pins in a vital molar tooth; what type of amalgam mix would you prefer: A. A large mix to ensure homogeneity B. A large with ... small mixes with varying mercury/alloy ratios E. A basic mix to which additional mercury is added as needed
Last Answer : C. Several small mixes, sequentially triturated
Description : The major etiological factor responsible for Class II division 2 malocclusion in Angle’s classification is:** A. Thumb sucking B. Growth discrepancy C. Tongue thrust habit D. Tooth to jaw size discrepancy E. Skeletal cause (discrepancy)
Last Answer : E. Skeletal cause (discrepancy)
Description : Which one of the following is the major disadvantage of stone dies used for crown fabrication, A. They lack accurate reproduction of surface details B. Their overall dimensions are slightly smaller than ... of the stone D. The hazard of aspiration of toxic materials during trimming of the dies.
Last Answer : A. They lack accurate reproduction of surface details
Description : Which of the following is a major disadvantage to immediate complete denture therapy: A. Trauma to extraction site FB. Increased the potential of infection C. Impossibility for anterior try in D. Excessive resorption of residual ridge
Last Answer : C. Impossibility for anterior try in
Description : Which of the following is a major disadvantage to immediate complete denture therapy, A. Trauma to extraction site B. Increased potential of infection C. Impossibility for anterior try in D. Excessive resorption of residual ridge
Description : The disadvantage of heating the impression compound in a water bath is: A. It may become brittle B. It may become grainy C. Lower moles with constituents are leached out D. The plasticity of the compound may be altered E. All of the above
Last Answer : D. The plasticity of the compound may be altered
Description : Which of the following restoration material’s strength is not effected by pins: A. Amalgam B. Composite resin
Last Answer : B. Composite resin
Description : Which is the more retentive form for an anterior bridge A. ¾ partial veneer crown B. Class V inlay C. Pinlay Veneer D. Class III inlay with pins
Last Answer : A. ¾ partial veneer crown
Description : A lateral incisor labial to the arch needs to be restored in normal alignment with PFM retraction. How will the tooth appear: A. Too wide B. Too short C. To narrow D. To long
Last Answer : C. To narrow
Description : When the enamel of the tooth is exposed to preparation containing high concentrations of fluoride the major reaction is: M07 A. Sodium fluoride B. Calcium fluoride C. Stannous fluoride D. Fluoroapatite
Last Answer : D. Fluoroapatite
Description : An advantage of metal. ceramic crowns, compared wit full ceramic crowns for restoring anterior teeth is, A. Palatal reduction may be of minimal thickness. B. Overall conservative for tooth structure. C. Ability to watch the appearance of adjacent natural teeth. D. Less laboratory time.
Last Answer : A. Palatal reduction may be of minimal thickness.
Description : Which antibiotic administered in childhood may result in tooth discolouration: A. Penicillin B. Tetracycline C. Streptomycin
Last Answer : B. Tetracycline
Description : Tooth under occlusal trauma may show: A. Bone resorption B. Necrosis of the pulp C. Hypercementosis D. Triangulation E. All of the above
Last Answer : E. All of the above
Description : An advantage of metal-ceramic crowns, compared wit full ceramic crowns for restoring anterior teeth is, A. Palatal reduction may be of minimal thickness B. Overall conservative for tooth structure C. Ability to watch the appearance of adjacent natural teeth D. Less laboratory time
Last Answer : A. Palatal reduction may be of minimal thickness
Description : What is the main purpose of using Stress breakers: A. To distribute the load between teeth and ridges B. To distribute the load between the clasps and the face end of the saddle C. It relieves the abutment tooth of occlusal loads that may exceed their physiologic strength
Last Answer : C. It relieves the abutment tooth of occlusal loads that may exceed their physiologic strength
Description : If the investment is burned out rapidly, what will happen: A. Back pressure porosity B. Cracking of the investment
Last Answer : B. Cracking of the investment
Description : Which of the following help in accomplishing the locking? a) Creating supplementary friction b) Using special locking devices like split pins c) By plastic deformation d) All of the listed
Last Answer : d) All of the listed
Description : The clinical advantage of porcelain laminate veneers over composite resin veneers is: A. Color stability and resistance to abrasion B. Availability of self-curing or light activated placement (yes but not ... dentist's abilities) D. May be used in edge to edge occlusion or Class III relationships.
Last Answer : A. Color stability and resistance to abrasion
Description : Swelling after RCT is mainly caused by (Being asked as: What is the most frequent cause of pain which occurs several days after obturation?, too): A. Entrapped Bacteria, or the presence of bacteria in the periapical region. B. Underfilling the root canal system C. Overfilled root canal
Last Answer : A. Entrapped Bacteria, or the presence of bacteria in the periapical region.
Description : The most common cause of failure of the IDN “Inferior Dental Nerve” block is, A. Injecting too low B. Injecting too high
Last Answer : A. Injecting too low
Description : Gemination is: a. Division of single tooth, twining. b. Fusion of two or more crowns of teeth c. Fusion of two or more roots.
Last Answer : a. Division of single tooth, twining.
Description : In testing for mobility, which of the following statement is true: a.Heavy pressure must sometimes be used to test mobility. b.Only lateral mobility is significant in diagnosis and ... weakened. d.During the periodontal examination each tooth should be tested individually for hyper mobility.
Last Answer : d.During the periodontal examination each tooth should be tested individually for hyper mobility.
Description : As far as surgical removal of wisdom teeth is concerned which of the following is true? a- Prophylactic prescription of antibiotic reduces dramatically the chances of infection. b- Raising a lingual ... e- The use of vasoconstrictors in local anaesthetics will increase the chances of infection.
Last Answer : b- Raising a lingual flap will increases the incidence of neurapraxia but will reduce the incidence of neurotmesis with respect to the lingual nerve.
Description : Which of the following is true regarding preparation of custom tray for elastomeric impression: a. Adhesive is preferred over perforation. b. Perforation provides adequate retention c. Adhesive is ... before procedure d. Perforations are not made in the area over the prepared tooth .
Last Answer : a. Adhesive is preferred over perforation.
Description : Amalgam restoration, when do you have to replace it? a. Ditching of the edges. b. The probe penetrates the area between the margin and tooth tissue. c. Fissure of the surface of the amalgam. d. When there is chronic inflammation of the pulp.
Last Answer : c. Fissure of the surface of the amalgam.
Description : Generalised loss of tooth structure by chemical means called, A. Erosion B. Attrition
Last Answer : A. Erosion
Description : As a result of wrong use of tooth brush the patients MOST probable complaint will be, A. Spontaneous pain or discomfort B. Occasional pain during brushing of the teeth C. Occasional pain during consumption of sweets
Last Answer : C. Occasional pain during consumption of sweets
Description : Gracey curette is characterized by, A. The blade and the shank form 90º angle B. Can be used on both sides C. Can be used on any tooth surface D. It is specific for each surface of the tooth. 70o the other options are for universal
Last Answer : D. It is specific for each surface of the tooth. 70o the other options are for universal
Description : In the construction of a full veneer gold crown, future recession of gingival tissue can be prevented or at least minimised by, A. Extension of the crown 1 mm under the gingival crevice B. ... of the crown D. Slight under contouring of the tooth in the gingival one fifth of the crown
Last Answer : B. Reproduction of normal tooth incline in the gingival one third of the crown
Description : Following calcium hydroxide pulpotomy, the dentist would expect dentine bridge to form at, A. The exact level of amputation B. Level somewhere below the amputation C. Half way between amputation and apex D. At the apical region of the tooth
Last Answer : B. Level somewhere below the amputation
Description : An occlusal approaching clasp TIP, A. Should occupy a predetermined undercut B. Contact the tooth under the survey line C. Rigid
Last Answer : B. Contact the tooth under the survey line
Description : The best storage media for avulsed tooth is, A. Saline B. Milk C. Water D. Saliva
Last Answer : B. Milk
Description : A patient comes to you with medium pain of tooth filled with Composite resin as a result of cold or hot drinks, what will your initial management be, A. Remove the restorative material and ... material and place a sedative temporary material C. Place a coat of bonding material on the old composite
Last Answer : B. Remove the restorative material and place a sedative temporary material
Description : In preparing a very small proximal amalgam cavity on a molar tooth what would consider, A. Extend the cavity to the gingival margin B. Extend the cavity beyond the contacts areas C. Achieve at least 2mm in dentine D. Extend cavity just beyond dento enamel junction
Last Answer : D. Extend cavity just beyond dento enamel junction
Description : The ideal length of core in the fabrication of crown and core of endodontically treated tooth is, A. 1.5 of crown length B. The length of the crown C. 2/3 tooth/root length D. ½ root length
Last Answer : C. 2/3 tooth/root length
Description : If used, in which direction should pinholes be placed? a. parallel to the long axis of the tooth b.parallel to the nearest external surface c. at a 15 degree angle to the long axis of the tooth d. perpendicular to the gingival floor e. directly below and parallel to restored cusp tip
Last Answer : b.parallel to the nearest external surface
Description : A patient shows a lesion on the tongue adjacent to sharp tooth. You “round off” the sharp area and recall patient after one month to see the lesion turning smaller in size. What would be your next step: A. Keep observing B. Perform an excision biopsy C. Prescribe Kenalog and Orabase
Last Answer : A. Keep observing
Description : The MOST likely factor contributing to tooth eruption is:** A. The growing root B. Bone growth C. Vascular pressure D. The developing periodontal ligament
Last Answer : A. The growing root
Description : An endodontic therapy was completed on a tooth with a periapical radiolucency. Marked reduction in size of radiolucency is expected in approximately: A. One year B. 6 months C. 3 months
Last Answer : A. One year
Description : A vital tooth has a crown cemented to a pin-retained amalgam core; where does a failure occur: A. Between crown and cement B. Between core and cement C. In the crown and the root D. In the core and the margin preparation
Last Answer : B. Between core and cement
Description : How would you treat hyperaemia (hyperaemic tooth):** A. Zinc Oxide and eugenol cement B. Calcium hydroxide C. Corticosteroid paste
Last Answer : A. Zinc Oxide and eugenol cement
Description : What is contraindicated to the use of calcium hydroxide for pulp capping: A. Accidental exposure of pulp B. Carious exposure of pulp in otherwise asymptomatic tooth C. Carious exposure of pulp in tooth that has been painful for weeks
Last Answer : C. Carious exposure of pulp in tooth that has been painful for weeks
Description : The OPTIMUM crown to root ratio for abutment tooth is:** A. 2:3 B. 1:1
Last Answer : A. 2:3
Description : Which of the following is not a property of Fluoride: A. Crosses placental barrier B. Deposits in bone C. Excretes rapidly by kidney D. Bacteria static E. Produces extrinsic tooth stain
Last Answer : E. Produces extrinsic tooth stain
Description : How long would it take to notice significant reduction in radiolucency after finishing a root filling in a tooth with a periapical lesion: A. 6 months B. 1 month C. 3 months
Last Answer : A. 6 months
Description : A cast crown fits on the die but not on the tooth, the discrepancy is about 0.3mm, what would you do: A. Relieve cast from the inside B. Take a new impression and make new crown C. Burnish margins D. Use thick mix of cement
Last Answer : B. Take a new impression and make new crown
Description : What control tooth or teeth should be used when testing a suspected pulpally involved tooth: A. Adjacent tooth and contralateral teeth B. Contralateral and opposing teeth C. Opposing and adjacent teeth D. Test only suspected tooth/teeth E. All of the above
Last Answer : A. Adjacent tooth and contralateral teeth
Description : In a vital pulp therapy, what is the optimum depth for a pin hole in a tooth: A. 4-5mm B. Approximately 2mm C. Less than 2mm D. 1-1.5mm
Last Answer : A. 4-5mm
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