Chapter 37: Sealants Exam Questions And Answers Rated 100%!!!

A. Because topically applied fluorides protect smooth tooth surfaces more than occlusal surfaces, a method to reduce the incidence of occlusal dental caries is needed. B. The incidence of new pit and fissure caries can be lowered significantly by the application of adhesive sealants. - ANS Statement A is correct and statement B is correct All of the following are included in pit and fissure anatomy except: - ANS long wide pits. All of the following are true about microscopic examination of pits and fissures after sealant application except: - ANS cleaning agents assist sealant penetration to the bottom. Some incipient carious lesions may be arrested with the application of pit and fissure sealants. An adult patient with xerostomia is contraindicated for sealant placement. - ANS Statement A is correct and statement B is incorrect The acid etchant used for preparing a tooth for pit and fissure sealants is usually which ingredient? - ANS Phosphoric acid What are the purposes of isolating the teeth being sealed? - ANS To keep the teeth from saliva contamination What are the three types of sealant currently available? - ANS Filled, unfilled, and fluoride releasing What is another name for the triangular saliva absorber placed over the parotid duct? - ANS Bibulous pad What item is used to check sealants for occlusal high spots after final curing? - ANS Articulating paper When using a light-cured sealant material it is important to leave liquid sealant material in place for ____ seconds to allow for optimum penetration. - ANS 10 Which of the following is a purpose of a sealant? - ANS To provide a physical barrier to seal off pits and fissures Which of the following is an advantage of visible-light cured sealants? - ANS Increased working time Which of the following is not a criterion of an ideal sealant? - ANS Be a thick, high-viscosity material Which of the following is not a purpose of the acid etch step in preparing a tooth for sealant application? - ANS To smooth the surface of the tooth enamel Which of the following is not an indication for sealant placement? - ANS Proximal dental caries Which of the following is not considered a cleaning choice prior to sealant placement? - ANS High-speed handpiece with prophy paste Which of the following is not true for sealant placement? - ANS Mix sealant well to ensure a homogenous consistency Which of the following is the definition of incipient caries? - ANS Beginning caries limited to the enamel Which of the following is the major reason for sealant failure? - ANS Salivary contamination Which of the following is true for completion of the etching process? - ANS Rinse thoroughly and then dry Which one of the following is contraindicated for sealant placement? - ANS Tooth not completely erupted Which type of sealant will need occlusal adjustment upon final curing? - ANS Filled