1. Stobis method of extraction is used in extraction ofTwo adjacent lower caninesAny two adjacent teeth which are mobileTwo adjacent upper central incisorsTwo adjacent lower premolarsQuestion 1 of 20 2. Although mandibular 1st molars can cause submandibular space abscess, buccal space abscess is far more common because:Roots of the mandibular 1st molar are below the mylohyoid ridge while those of 2nd and 3rd molar are above the mylohyoid ridgeRoots of the mandibular 1st molar are usually above the mylohyoid ridge and the buccal cortex is less dense than lingual cortexBecause the lingual cortex at the 2nd and 3rd molars is thinner than buccal cortexThe roots of the 2nd and 3rd molar are inclined lingually while the roots of the 1st molars are inclined buccallyQuestion 2 of 20 3. In the extraoral technifor mandibular nerve block the needle after contacting the pterygoid plate is directedPosteriorlyInferiorlyAnteriorlySuperiorlyQuestion 3 of 20 4. Treatment of localized pain 3-4 days post extraction due to loss of clot is done byCurettage of socketCreation of new blood clotPlacement of antibiotics and analgesics directly in socketIrrigation of the socket & placement of sedative dressingQuestion 4 of 20 5. Champy's plate is:Bicortical compressionMonocortical compressionMonocortical non-compressionBicortical non-compressionQuestion 5 of 20 6. Lag screw fixation is an example of:Rigid load bearing fixationRigid, load sharing fixationSemi rigid, load bearing fixationSemi rigid, load sharing fixationQuestion 6 of 20 7. Dental care under local anesthesia is usually feasibleMentally retardedAdultsPsychological disorderChildrenQuestion 7 of 20 8. An oro-antral communication during extractionReflux of fluids into the nasal cavity while drinking can be demonstratedImmediate prolapse of antral lining occurs into mouthMust be closed surgically immediatelyRequires no treatment immediatelyQuestion 8 of 20 9. True open bite is caused byUnilateral fracture of mandibular angleFracture of mandibular symphysisHorizontal fracture of the maxillaFracture of the coronoid process of left side of mandibleQuestion 9 of 20 10. Function of vasoconstrictor in Local anaesthesia:Decreases duration of anaesthesiaToxicity increasesReduces systemic toxicityAbsorption increasesQuestion 10 of 20 11. Bone Morphogenetic protein is used in:Pagets diseaseFibrous dysplasiaAs substitute for autograftMultiple myelomaQuestion 11 of 20 12. Interpositioning of temporal muscle, fascia or fat after condylectomy is done to:Allow faster bone fillPrevent re-ankylosisPrevent damage to glenoid fossaIncrease cushioning of the jointQuestion 12 of 20 13. Most difficult mandibular impaction is:MesioangularDistoangularHorizontalVerticalQuestion 13 of 20 14. Most versatile and commonly done surgery for correction of mandibular Retrognathism is:Bilateral Sagittal split osteotomyInverted L osteotomySubapical osteotomyVertical ramus osteotomyQuestion 14 of 20 15. The gap created between the base of the skull and the ramus of the mandible during a TMJ arthroplasty to prevent reankylosis should be at least2.5 to 3.5 cml.5 to 2.5 cm0.5 to 1 cm1.0 to 1.5 cmQuestion 15 of 20 16. Airway maintenance in major oral surgical proceduresUncuffed nasotrachealPro sealed Laryngeal mask airwayLaryngeal mask airwayCuffed nasotrachealQuestion 16 of 20 17. An anaemic patient aged 34 years attended the OPD with bilateral TMJ pain. Clinical examination showed warm and painful joint with stiffness and crepitation. This could be a case of:Rheumatoid arthritisAcute suppurative arthritisOsteoarthritisMeniscal perforationQuestion 17 of 20 18. A lady in 2nd trimester of pregnancy develops syncope while extraction of the 2nd maxillary molar. She should be placed in:Head down towards kneesLeft lateralRight lateralTrendlenberg positionQuestion 18 of 20 19. Exophthalmos not present inBlow in fractureThyrotoxicosisNone of the aboveBlow out fractureQuestion 19 of 20 20. The optimum site for IV sedation for an outpatient is the:Median basilic veinMedian cephalic veinMedian antebrachial veinAxillary veinQuestion 20 of 20 Loading...
