Description : Where is the narrowest part of the pulp: A. At the radiographic apex B. At the dentino-enamel junction C. At the orifices
Last Answer : A. At the radiographic apex
Description : The ideal length of RCT is, A. At the apex B. As far as you can obturate C. 0.5 - 1.5 mm before the apex
Last Answer : C. 0.5 - 1.5 mm before the apex
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 : Which of the following is a radiographic feature of dentino-genesis imperfecta: A. Small pulp chambers and root canals, normal enamel B. Enamel is missing but dentine formation is normal C. Enamel and dentine show disturbances D. Pulp is normal but dentine is abnormal
Last Answer : A. Small pulp chambers and root canals, normal enamel
Description : On an X ray you find the cement of the previous root canal treatment is extending 1mm beyond the apex without any symptoms; what would you do: A. Remove restoration material and retreat B. Apiectomy C. Leave as is until any complications occur
Last Answer : C. Leave as is until any complications occur
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 RCT “Root Canal Treatment” failure is: A. The canal not filled completely (Short obturation) B. Over filled canals
Last Answer : A. The canal not filled completely (Short obturation)
Description : Characteristic of mucogingival involvement: a. A pocket of more than 4 mm depth. b. Only 1mm of attached gingiva remains. c. Pocket extends to the mucogingival junction.
Last Answer : c. Pocket extends to the mucogingival junction.
Description : Characteristic of mucogingival involvement: A. A pocket of more than 4 mm depth B. Only 1mm of attached gingiva remains C. Pocket extends to the mucogingival junction
Last Answer : C. Pocket extends to the mucogingival junction
Description : What is NOT TRUE about occlusal trauma: A. Cemental tears B. Bone loss C. Mobility D. True pocket formation E. Bleeding in periodontal ligament
Last Answer : D. True pocket formation
Description : Delayed eruption of at least part of the dentition is a recognised feature in:** A. Dentino-Genesis imperfecta B. Anhidrotic ectodermal dysplasia (oligodontia, anodontia , conic teeth) C. Rickets
Last Answer : C. Rickets
Description : After obturation and on X-ray you notice the obturation materials are 1mm beyond apex. What is your first management? A. Refill the canal B. Pull the GP cone about 1mm out and take a new X-ray C. Leave it as it
Last Answer : B. Pull the GP cone about 1mm out and take a new X-ray
Description : On an X ray you find the Gutta Percha cone extending 1mm beyond the apex without any symptoms, what would you do: A. Remove restoration material until you are able to withdraw the Gutta Percha cone B. Apiectomy C. Leave as is until any complications occur
Description : Ledermix is used in RCT to relieve pain because of, A. Antibiotics B. Corticosteroid
Last Answer : A. Antibiotics B. Corticosteroid
Description : A child has sustained a traumatic exposure of primary central incisor, he presents to you for treatment two days after the injury. Which of the following should be considered? A. Pulpotomy and Ca(OH)2 B. Pulpotomy and formocresol C. Direct pulp capping D. Pulpectomy (RCT)
Last Answer : D. Pulpectomy (RCT)
Description : An 8 years-old child who has sustained a fracture of maxillary permanent central incisor in which 2mm of the pulp is exposed presents for treatment three hours after injury. Which of the ... - Pulpotomy using formocresol. d- Pulpectomy and immediate root filling. e- Pulpectomy and apexification.
Last Answer : a- Remove the surface 1. 2 mm of pulp tissue and place calcium hydroxide
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 : X rays are used in endodontic treatment to: A. Aid in the diagnosis of periapical hard tissue lesion B. Determine the number, location, shape, size and direction of roots and root canals C. Confirm ... root canals D. Evaluate the adequacy of the complete root canal filling E. All of the above
Last Answer : E. All of the above
Description : What indicates for a periapical surgery: A. Where performing an endodontic treatment on existing root canal filling may lead to fracture of the root B. When root canal treatment is faulty C. When ... bony defect is so extensive that the edges of the incisors will collapse E. None of the above
Last Answer : A. Where performing an endodontic treatment on existing root canal filling may lead to fracture of the root
Description : 8 years old child who has sustained a fracture of maxillary permanent central incisor in which 2mm of the pulp is exposed; presents for treatment three hours after injury. Which of the ... C. Pulpotomy using formocresol D. Pulpectomy and immediate root filling E. Pulpectomy and apexification
Last Answer : A. Remove the surface 1-2 mm of pulp tissue and place calcium hydroxide (Cvek pulpotomy, apexogenesis)
Description : While removing the second primary molar of a 9 years-old child, the apical ¼ of the root fractures and stays in the socket, A. You will just leave it and observe it B. You take surgically by a lingual ... try to take out by using a root apex elevator D. You use a fine-end forceps to take it out
Last Answer : A. You will just leave it and observe it
Description : Where does the bone resorption show in a pulp necrosis of a deciduous molar: A. At the root apex B. At the bifurcation C. On the buccal side of the tooth D. On the lingual side of the tooth
Last Answer : B. At the bifurcation
Description : To achieve optimum cavity preparation, which of the following factors of internal anatomy must be considered in root canal treatment: A. Outline form B. The age and shape of pulp chamber; in ... root canals. C. Internal external relationship D. Intra-coronal preparation E. None of the above
Last Answer : B. The age and shape of pulp chamber; in addition to the direction of individual root canals.
Description : Frankfort plane extends from, A. horizontally from Sella to nasion B. Sagittal from …. C. Horizontally from point on superior aspect of external auditory meatus to orbitale
Last Answer : C. Horizontally from point on superior aspect of external auditory meatus to orbitale
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 : 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 : The area of the posterior palatal seal includes which of the following: A. [left][right] B. Hamular notch
Last Answer : B. Hamular notch
Description : A major difference between light cured and chemical cured composite is that during setting or in function the light cured material tends to:******** VERY IMP A. Seal the margins better and ... on time C. Undergo greater colour change D. Shrink more rapidly E. Posses greater fracture toughness
Last Answer : D. Shrink more rapidly
Description : Patient reported to you 30 min after trauma to central incisor. Patient is 10 yrs old and there is traumatic exposure of pulp. What will be the line of treatment- 1) coronal pulpotomy and Ca-hydr. ... 3) 1-2 mm. of coronal pulp extirpated and Ca hydroxide and then permanent filling 4) Pulpectomy
Last Answer : 3) 1-2 mm. of coronal pulp extirpated and Ca hydroxide and then permanent filling
Description : Patient has hot and cold sensation and pain on percussion after the filling of class III Cavity with GIC base and composite. What will be possible cause – 1) bacterial microleakage 2) mechanical trauma of cavity cutting 3) Exothermic reaction while setting GIC
Last Answer : 2) mechanical trauma of cavity cutting
Description : A female patient comes to you complaining of persistent pain in a heavily restored central incisor; you suspect pulpitis and you have been told that she is in transit leaving by plane ... B. Pulp extirpation and obturate with Ledermix dressings C. Prescribe analgesics and systemic antibiotic
Last Answer : B. Pulp extirpation and obturate with Ledermix dressings
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 : At what angle to the external surface should proximal cavosurface walls in Class II preparation for the reception of an amalgam filling be finished: A. Acute angle B. Right angle C. Obtuse angle D. 45 angle
Last Answer : C. Obtuse angle
Description : The MAIN purpose of burnishing is: A. To help eliminating excess mercury (condensing) B. To condense margins C. Polishing of filling
Last Answer : B. To condense margins
Description : Why can Class IV gold not be used in cavity as a filling material: A. Can not be polished “burnished” B. The corrosive properties
Last Answer : A. Can not be polished “burnished”
Description : .The most resistant filling materials to fill class IV cavities are: A. Resins with silicone dioxide (SiO2) B. Resins with glass or quartz C. Silico-phosphate D. Silicates
Last Answer : B. Resins with glass or quartz
Description : .In regard to the glass of quartz particles of filling restorative resin; the microfill resins tend to have, A. A higher coefficient of thermal expansion and a higher crashing strength B. ... and a higher crashing strength D. A lower coefficient of thermal expansion and a lower crashing strength
Last Answer : B. A higher coefficient of thermal expansion and a lower crashing strength
Description : The gingiva of a child is diagnosed on the basis of all of these except of: A. Contour of gingival papilla B. Sulcus depth C. Contour of Nasmyth membrane (nasmyth description of the membrane is unclear that's why the term enamel cuticle is preferred D. Tight filling of gingival collar
Last Answer : C. Contour of Nasmyth membrane (nasmyth description of the membrane is unclear that's why the term enamel cuticle is preferred
Description : Before filling a class V abrasion cavity with GIC you should(+adc March07) A. Clean with pumice, rubber cup, water and weak acid B. Dry the cavity thoroughly before doing anything C. Acid itch cavity then dry thoroughly
Last Answer : A. Clean with pumice, rubber cup, water and weak acid
Description : How Would You Do Glycol Filling Or Fill Seal Liquids In Seal Pots 7 Draw And Explain?
Last Answer : The procedure for glycol filling is : 1. Close the primary isolation valves. 2. Open the vent on the seal pots. 3. Drain the use glycol if present. 4. Connect a hand pump on L.P. side while ... 9. Close the seal pot vent valves. 10. Close equalizer valve. 11. Open both the primary isolation valves.
Description : What Is The Seal Liquid Used For Filling Impulse Lines On Crude And Viscous Liquid?
Last Answer : Glycol.
Description : How would you do Glycol filling or fill seal liquids in seal pots 7 Draw and explain.
Last Answer : The procedure for glycol filling is : Close the primary isolation valves. Open the vent on the seal pots. Drain the used glycol if present. Connect a hand pump on L.P. side while ... . Close the seal pot vent valves. Close equalizer valve. Open both the primary isolation valves.
Description : What is the seal liquid used for filling impulse lines on crude and viscous liquid ?
Description : Governmental auditing often extends beyond examinations leading to the expression of opinion on the fairness of financial presentation and includes audits of efficiency, economy, effectiveness, and also: a. Accuracy b. Evaluation c. Compliance d. Internal control
Last Answer : Compliance
Description : Corporate social responsibility that extends beyond legal mandates can help meet societal expectations in the absence of A. Statutory devices B. Social tool C. Cost tool and Techniques D. Science tool
Last Answer : A. Statutory devices
Description : The most desirable outcome of endodontic treatment is, A. The healing of the alveolar bone B. The deposition of cementum at the apex C. Formation of fibrous capsule around the apex
Last Answer : B. The deposition of cementum at the apex
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 : While you finish a class I cavity, the enamel is sound but you notice a brown line in the dentine and on the Dento-enamel junction, what is your response, A. You leave it and complete the final restoration B. You extend your preparation and clean it C. You apply a cover of varnish
Last Answer : B. You extend your preparation and clean it
Description : The biologic width is the distance between the A. Base of the gingival sulcus and the crest of alveolar bone B. Free gingival margin and the base of the gingival sulcus C. ... gingival margin and the mucogingival junction E. Free gingival margin and the base of connective tissue attachment
Last Answer : A. Base of the gingival sulcus and the crest of alveolar bone
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