NDEB boards

The placement of a retentive pin in the proximal regions of posterior teeth would most likely result in periodontal ligament perforation in the - answer-mesial of a mandibular first molar Air water spray used as a coolant in high speed - answer-will reduce clogging of cutting instruments The proposed mechanism by which a calcium hydroxide preparation initiates secondary dentin formation in direct pulp cappings is by - answer-stimulating undifferentiated cells of the tissue to differentiate into odontoblasts when resecting the apical aspect of a tooth during endodontic apical surgery it is appropriate to - answer-place an amalgam retrofill For composite resin preparations cavosurface enamel margins are bevelled because - answer-a bevelled margin produces a more favorable surface for etching and after etching the bonding ages reduces microleakage what instruments can be used for placing gingival bevels on cast gold inlay preparations - answer-margin trimmers and carbide finishing burs What is the most probable postoperative complication of intracoronal bleaching for a tooth that has an inadequate internal seal - answer-external root resorption fractured incisal angles in the permanent teeth of adolescent patients are best restored using - answer-acid etch composite resin techniques What