March 2013

Paper 1

1. How would you come to diagnosis of carious exposure in immature upper incisora. clinical appearance and thermal testb. radiograph and thermal testc. clinical apprearance and radiograph*****d. patients history.

2. Most common reason for pain after RCTa. entrapped bacteria****b. overfilled canalc. underfilled canal

3. Burnishing of amalgam after carvinga. remove excess mercury***b. polishingc. condensation.

4. Overextension of Lower Complete denture on mylohyoid ridge will causei. pain on swallowing ***

5. External root resorption can be caused byi. calcium hydroxide

ii. Pulpnecrois***iii. pulp infection

6. A tooth to restore with gold inlay,, has a weakened cusp,, what will u do for the weakened cuspa.:to reduce the cusp then restore with an onlayb..complete coverage prosthesis

7. which of the following is included in the posterior limit of a maxillary denture: 

A) hamular notch ****B) fovea palantini .C) external oblique ridge

8. After the placement of a restoration the patient comes back to you after week complaining of pain on biting and bleeding gums; what is the first thing you would look at,

A. Occlusal heightB. Contacts areas ****

9. What is the most frequent cause of pain which occurs several days after obturation”

a.Entrapped Bacteria or the presence of bacteria in the peri apical region.***

b.Under filling the root canal systemc.Over filled root canal

10. In determining the replacement of missing maxillary anteriors with ridge lap design or or with incoporation of labilal flange,what factors is most important:

a. high lip lineb. patient wishesc. need for anterior retentiond. the degree of ridge resorption****

11. what is correct in regard to cobalt chromium circumferential clasp:a. they have round profile in cross section

b.rigid two third above the survey line and flexible one third below the survey linec.one third above and two third below the survey lined.engages deepest area of the undercut for maximum retention****

12. What is the purpose of making a record of protrusive relation and what function does it serve after it is made?

a. To register the condylar path and to adjust the inclination of the incisal guidance.b. To aid in determining the freeway space and to adjust the inclination of the incisal guidance.c. To register the condylar path and to adjust the condylar guides of the articulator so that they are

equivalent to the condylar paths of the patient.d. To aid in establishing the occlusal vertical dimension and to adjust the condylar guides of the

articulator so that they are equivalent to the condylar paths of the patient.****e. To aid in establishing balance occlusion and to adjust the condylar guides of articulator so that

are equivalent to occlusion of patient

13. ala tragal line isa. line from ala of ear and tragus of noseb. parallel to Frankfort planec. guide to occulding face ht****d. Guide to orientation of occlusal plane

14. Anterior teeth arrangement ?a. Mand antr should be set lingually b. Should be always arranged in Class 1 relation. ***c. Should be visible below the lip line.

15. Free way spacei. can be measured accurately in dentulous patients

ii. it is set to 2-4mm in the edentulous patientiii. is OVD minus VD at rest***

16. Pit and fissure caries

a. At the bottom of the fissureb. On the walls of the fissure****

17. The direction of the enamel rods area. Parallel to the enamel surfaceb. Parallel to dentinec. Perpendicular to the tangent drawn to the outer surface of enamel****d. oblique to the tangent drawn to the outer surface of enamel

18. Retention of buccal surface on molar amalgam cavity can be obtained through a. Grooves mesially and distally b. Undercutting all the walls c. Undercutting the occusal and gingival walls ***d. Sharp internal line angles

19. What is true about tooth prep?A.Taper of 10-20 degree can be givenB.A taper of 5-10 is obtainedC.A human eye can see a taper of 7 degree with naked eyeD.Short crown should have parallel walls

20. In removable partial dentures, the principle of an indirect retainer is that it:a. Stabilises against lateral movementb. Prevents setting of major connectorsc. Restricts tissue movement at the distal extension base of the partial denture

d. Minimises rotation about the fulcrum line

21. What is the possible cause of porcelain being opaque?A) porcelain is dried too rapidlyB) due to thick porcelain layer C) due to thin porcelain layer over opaque layer****In removable partial dentures, the principle of an indirect retainer is that it:

a. Stabilises against lateral movement b. Prevents setting of major connectors c. Restricts tissue movement at the distal extension base of the partial denture

d. Minimises rotation about the fulcrum line

22.

23. The non rigid type of retainer is desirable to be at a.mesial to posterior retainerb.distal to anterior retainer..****

24.

paper 21. What is the most likely diagnosis for the cyst near lower second premolar? 

i) Lateral periodontal cyst

2. In anxoius and psychologically stressed patients Anug is often more severe because of

A. Stress causes histamine and serotonine releaseB. Stress causes catecholamine and corticosteroid release***C. Stressed people neglect their oral hygiene

3. Preschool child has an intruded upper incisor; what would your treatment be**A) X-ray***Put it back in place and splintControl bleeding and check after a monthMake the patient comfortable without disturbing the tooth

4. what is not related to relapse in orthodontic ttt1) soft tissue forces2) condition of the p.d.l3) length of the tt

5. max dose of lignocaine with 1:80000 adr in 20 kg childa. 140b. 6.6ml***c. 4 cart

6. In a patient having acute herpetic gingivostomatitis, what will u do?a. Give penicillinb. Treat palliatively****c. Give corticosteroidsd. Give antibiotic

7. What to do with instruments used for known hep /b patienta. Soak them in hypochlorite solution “Milton”b. clean, scrub and sterilize***c. Handle them with two pairs of household rubber glovesd. Scrub them with iodine surgical solutione. sterilize for double cycle

8. Max dose of ibuprofen2400 mg

9. Patient during dental treatment feels light headed, sweating and unconscious.. what is diagnosis?a. Shockb. Syncope***c. Asthma

10. what is correct regarding oral melanomaa) palate in the most uncommon oral siteb) the incidence is same in both oral and cutaneous melanomac) prognosis is survival of less than 20 percent over 5 years****

11. incorrect about syncopea. anxiety always a factor****b. transient, self limitingc. cardiac dysrythmias may present as syncope12. therapeutic dose of INR

a below 1b 1-2c 2-3d 2-4***e 4-6

13. A 4 yearv old child,with greyish discolouration of teeth and extensive occlusal and incisal wear,and on radiograph the teeth appears bulbous with oblitered pulp chamber,what is the diagnosisa.amelogenisis imperfectab.dentinogenisis imperfect****c.cliedocranial displasiad.neonatal hypoplasiad.ectodermal displasia

14. Temporal arteritis not truea. Worse on lying down****b. May cause blincnessc. Dull throbbing pain

15. thumb sucking does not causea. deepbiteb. rotation of lateral incisorc. constriction of maxillary arch*****d. retrusion of lower incisorse. proclination of maxillary incisors

16. prognosis of a periodontal condition of tooth is bya. mobilityb. attachment loss*******c. recessiond. pockets

17. not an indication of GA for dentoalv surgerya. patient wishesb. young childc. spreading neck infectiond. lengthy procedure

18. . A 9 year old boy has a small white spot discoloration on the labial surface of the maxillary permanent central incisor. It is most likely due to

a. Hypocalcification due to trauma of the primary predecessor****b. Hypoplasia due to systemic infection when the boy was 6-12 monthsc. Defective lesion formed during the histo-differentiation stage of tooth developmentd. Defective lesion formed during morpho-differentiation stage of tooth development

19. most important in reducing exposurespeed of film***filterationcollimationlead apron

20. Xray for maxillary sinusOpgOccipitomental***Reverse townsPA view

21. oral cytology not useful fora. carcinomasb. viral diserase***c. fungal diseased. keratinised tissue

22. exposure not reduced bya. collimationb. speed of filmc. decrease kvp***

23. double blind studies24. def of which is wrong,, (from bouchers)

incidenceexposureprevalenceteeth morbidity