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NDEB Boards Questions & Answers

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NDEB Boards Questions & Answers The placement of a retentive pin in the proximal regions of posterior teeth would most likely result in periodontal ligament perforation in the - ANS-mesial of a man ... dibular first molar Air water spray used as a coolant in high speed - ANS-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 - ANS-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 - ANSplace an amalgam retrofill For composite resin preparations cavosurface enamel margins are bevelled because - ANS-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 - ANS-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 - ANS-external root resorption fractured incisal angles in the permanent teeth of adolescent patients are best restored using - ANS-acid etch composite resin techniques What are the purposes of using occlusal splints - ANS-to change the pattern and degree of tactile afferent neural impulses, to immobilize teeth and to prevent teeth from disturbing occlusal sensory input histologically a pulp polyp consists of - ANS-a mass of collagenous fibres, proliferating capillaries, fibroblasts Treatment of primary herpetic gingivostomatitis should include - ANS-palliative treatment and control of secondary infection Teeth mobility may be due to - ANS-excessive occlusal force, decreases osseous support and periodontal abscess lichen planus occurs most frequently on the - ANS-buccal mucosa enlargement of the gingiva described as idiopathic fibromatosis is best described as - ANS-hyperplasia the primordial cyst probably results from - ANS-cystic degeneration of the stellate reticulum early in the formation of the tooth histological sections of a lesion removed from the apex of a carious tooth show immature fibrous tissue and chronic inflammatory cells. Diagnosis - ANS-periapical granuloma Radiographs of Garre's osteomyelitis show - ANS-thickening of the cortex increasing kilovoltage - ANS-more penetration Oral lesions that fail to heal may be associated with - AN [Show More]

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