Chairside Final Exam (Questions & Answers) Passed!!

Operative dentistry is the primary responsibility of the: - Answer-General dentistry Esthetic dentistry is primarily devoted to improving the appearance of teeth, by either restoring imperfections with direct and indirect restorative materials, or with the use of: - Answer-Whitening techniques ____ form of cavity preparation is when the dentist determines the primary shape and placement of cavity walls. - Answer-Retention The dental assistant's responsibilities in a restorative procedure include: - Answer-Preparing, mixing, and transferring dental materials Class II restorations are found on: - Answer-Posterior teeth The usual material of choice for class III and class IV restorations is: - Answer-Composite resin Which of the following statements is true of retention pins? - Answer-The retention pin has deep threads that grip the dentin when screwed into tooth structure An example of a restorative dental procedure is a(n): - Answer-Amalgam An example of esthetic dentistry includes: - Answer-Teeth bleaching Decay that involves the lingual pit of a maxillary incisor is a class: - Answer-I Usually _____ material is selected for the permanent restoration of a class I lesion. - AnswerComposite A comprehensive class II restoration may involve as many as _______ surfaces of a tooth. - AnswerTwoWhen one or both of the proximal surfaces are removed during a restoration, there is no support to hold the material in place, so a _______ must be used to replace these walls during the procedure. - Answer-Matrix system Class III restorations involve the proximal surfaces of ____ and _____. - Answer-Incisors; canines During a class III restoration, the dentist will enter the tooth from the _____ surface to minimize the size of the restoration. - Answer-Lingual During a class III or IV restoration, the dentist may use a _____ to help reproduce the correct contours and contact. - Answer-Mylar matrix system Lesions of class V decay usually occur on the _____ third of the smooth surface of a tooth. - AnswerGingival One of the most important considerations when a dentist is restoring a class V is the: - AnswerNearness of the lesion to the gingiva Which statment is not true concerning veneers? - Answer-Veneers have an unlimited lifespan Which statement is not true concerning tooth whitening? - Answer-Tooth whitening is permanent Brush-on whitening: - Answer-Can cause blotches on the teeth if not used properly Is inhibited by saliva (Both a and c) The internal surface of a cavity preparation is the: - Answer-Cavity wall The pulpal floor is also known as the _____ wall. - Answer-Pulpal Which of the following is an example of a fixed prosthesis? - Answer-Three-unit bridgeA(n) ______ is a cast restoration that is designed to fit snugly within a tooth preparation such as a class II restoration and that covers only a portion of the occlusal and proximal surface. - Answer-Inlay A ______ crown does not cover the entire anatomic portion of the tooth. - Answer-Three-quarter _______ can be used in selected situations, such as a replacement for congenitally missing lateral incisor, as an alternative to a traditional bridge. - Answer-A Maryland bridge When one or more teeth are missing from the same arch, a permanent ________ is recommended. - Answer-Fixed bridge When the patient has a fixed prosthesis, such as a three-unit bridge, the area under the pontic is maintained by: - Answer-Threading dental floss under the pontic with a bridge threader A prosthodontist: - Answer-(Both a and b) The metal of choice for inlay and onlay cast restorations is: - Answer-Gold The material placed under a porcelain restoration to mask tooth discoloration is a(n): - AnswerOpaque A full metal crown that has the outer layers covered with a thin layer of porcelain is a(n): - AnswerPorcelain-fused-to-metal crown The component of a fixed bridge that replaces a missing natural tooth is the: - Answer-Pontic The component of the bridge that provides support for the replacement teeth is a(n): - AnswerAbutment Which of the following should be included on the laboratory prescription? - Answer-(All of the above) The device that is used to determine the tooth color for ceramic crowns or bridges is a(n): - AnswerShade guide