1. Ideally, the width of the isthmus should beHalf the intercuspal distanceOne-third the intercuspal distanceThree-fourth the intercuspal distanceOne-fourth the intercuspal distanceQuestion 1 of 20 2. Chronic pulpal involvement in a deciduous molar is first manifested asWidening of pdl in apical 1/3 rdRadiolucency at apex of rootRadiolucency in furcation areaNormal pulpQuestion 2 of 20 3. Into how many segments the infant's gum pad is divided?Two in each quadrantTwo in each jawFive in each quadrantThree in each quadrantQuestion 3 of 20 4. The most appropriate radiographic examination for a 4 year old without visible or clinically detectable caries or anomalies, and with open proximal contacts ismaxillary and mandibular posterior periapicals.a pair of posterior bite-wings.no radiographic examination.maxillary and mandibular anterior occlusals.Question 4 of 20 5. The first teeth to become involved in nursing bottle caries usually areMandibular caninesMaxillary anterior teethMaxillary and mandibular anterior teethMandibular anterior teethQuestion 5 of 20 6. Which treatment is the proper one for a class ll fracture of a permanent tooth with an immature apex?PulpotomyPulpectomyObserveApply calcium hydroxide to exposed dentin and restore tooth with a permanent restorationQuestion 6 of 20 7. A permanent incisor with a closed apex is traumatically intruded. What is the treatment of choice?Gradual orthodontic repositioning and conventional endodontic therapySurgical repositioning and conventional endodontic therapyGradual orthodontic repositioning and calcium hydroxide pulpectomySurgical repositioning and calcium hydroxide pulpectomyQuestion 7 of 20 8. 7 Yrs child had fractured his maxillary central incisor 5 months ago. Pulp shows no response, there is no periapical lesion in radiograph. Treatment of choice isIndirect Pulp CappingApexogenesisApexificationDirect Pulp CappingQuestion 8 of 20 9. Which of the following clinical protocols is the most appropriate next step in the management of an avulsed permanent tooth, which has just been replanted?Splinting with rigid wire.Splinting with flexible wire.Pulpectomy.Splinting with composite resin only.Question 9 of 20 10. Pulp mummification is indicated inNon vital teethTraumatic exposure of a vital toothDeep caries in a symptomatic vital teethTraumatic exposure of a vital tooth with open wide apexQuestion 10 of 20 11. High viscosity saliva may lead to increased caries children. This statement isReally truePartially falseReally falsePartially trueQuestion 11 of 20 12. A 4 yr child has a normal complement of primary teeth but they are grey and exhibit extensive occlusal and incisal wear. Radiographic examination indicates some extensive deposits of secondary dentin in these teeth. This condition isCleidocranial dysostosisNeonatal hypoplasiaDentinogenesis imperfectaAmelogenesis imperfectQuestion 12 of 20 13. Tooth brushing should be taught to children's at the age of>10 yr5-6 yr2-3 yr1-2yrQuestion 13 of 20 14. When no new decay is formed, the frequency of repeated bitewing radiographs recommended in primary dentition isOnce in every 18-24 monthsOnce in 48 monthsOnce in every 12-18 monthsOnce a yearQuestion 14 of 20 15. K` swallow isMature swallowMyotherapeutic exercise for tongueRetained infantile swallowComplex tongue thrust swallowQuestion 15 of 20 16. The proposed mode of inheritance of cleft lip and palate isMultifactorialX linked recessiveAutosomal dominantAutosomal recessiveQuestion 16 of 20 17. Direct pulp capping is indicated for a primary molar with an exposure when there isPain from the tooth when eatingA history of unprovoked or spontaneous tooth acheLittle or no hemorrhage from the exposure siteRadiographic evidence of internal resorptionQuestion 17 of 20 18. The disease-control phase of treatment includesscaling and root planning.pit and fissure sealants.fixed prosthodontics.occlusal therapy.Question 18 of 20 19. Where do lesions commonly occur in the primary form of acute herpetic gingivostomatitis?Tonsils, hard and soft palateBuccal mucosaAll of the aboveTongueQuestion 19 of 20 20. Cervical caries on the maxillary primary incisors in a 12-month old child is most likely caused bylack of systemic fluoride.poorly formed enamel.lack of calcium during pregnancy.excessive bottle use.Question 20 of 20 Loading...