1. If a carious lesion approaches pulp, the pain is referred to the adjacent teeth. The nerve fibres responsible for this are the:

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2. All of the following factors may affect endodontic anesthesia except

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3. A primary tooth has an exposed vital pulp. The tooth has less than two-third of its root remaining and caries perforating the furcation. There is a succedaneous tooth forming normally apical to the tooth. The treatment of choice for this tooth is:

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4. The setting reaction of dental amalgam proceeds primarily by _____.

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5. Gutta Percha and sealer form a monoblock known as:

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6. The tooth preparation technique for a Class I amalgam on a mandibular first molar does not include which of the following?

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7. When using bioactive substances for the repair, of a root perforation, which of the following zones will not be seen

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8. The reduction of which of the following represents the most significant advantage of the acid etch technique

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9. During instrumentation of tooth #19, you realize that you are unable to negotiate your file to the complete working length. The procedural error that has occurred is most likely

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10. Polymerization shrinkage of composite causes compression stress of

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11. Features of focal sclerosing osteomyelitis often include:

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12. Following the placement of an amalgam restoration, the tooth is most sensitive to

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13. A patient with previous history of trauma to tooth reveals metallic sound on percussion of the central incisor. The possible injury that occurred was:

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14. For a dental hand instrument with a formula of 10-8.5-8, the number 10 refers to _____.

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15. A 35-year-old woman was in a horse back riding accident less than 1 hour ago. On clinical examination, the tooth is painful to palpation and has slight mobility. The tooth is fractured in the occlusal third and there appears to be no exposure. A periapical radiograph reveals fracture above the pulpal space and no periapical radiolucency. The treatment of choice for the asymptomatic maxillary central incisor is:

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16. 50% sulfuric acid is useful for

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17. A silver amalgam restoration is to be done in a posterior tooth with a proximal box extension with wide facio-lingual width. Which wedging technique should be used to well adapt the matrix band

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18. Principal nerve fibres in Pulp are:

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19. Barbed broach is used for:

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20. When restoring a tooth with composite resins, the enamel margins are bevelled in order to

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