Quiz 5 Chapter 26 (RDA) Exam Questions And Answers

A resin material used to seal existing pit and fissures from the oral environment is called a dental sealant. - ANS True Dental composite sealant materials come in the following colors EXCEPT ____________. - ANS Silver Etched enamel has a dark, shiny appearance. - ANS False Glass ionomer sealants require that the area be completely dry for placement. - ANS False How long should the etchant remain in contact with the surface of the tooth? - ANS 20-60 seconds If there are voids in the sealant after being light cured, it means that the __________. - ANS Sealant was improperly applied Dental sealants should be applied to permanent molars when they erupt. - ANS True The most common cause of sealant failures is lack of moisture control. - ANS True Some sealants are opaque or tinted during the placement and then set clear. - ANS True Etching the tooth helps permit a mechanical bond of the sealant material. - ANS True On average, sealants remain in place ____ years. - ANS 5-10 Teeth with a deep V-shaped fissure should undergo an enameloplasty. - ANS False The dental dam is the only method capable of isolating teeth to keep them dry when placing sealants. - ANS False The enamel surface is etched with ____________. - ANS phosphoric acid The hardening or curing process of sealant materials is also known as _____. - ANS Polymerization The most commonly used dental sealant material is _____. - ANS Dental composite resin The patient should wear radiation-filtering protective glasses while dental sealants are being applied. - ANS True What is articulating paper used for in the dental sealant process? - ANS Checking for proper occlusion What should the operator do if there are marks from the articulating paper on the sealant after checking the occlusion? - ANS Remove high spots with finishing burs What should you do if the etching agent contacts soft tissue? - ANS Rinse the area with large amounts of water When sealants are properly placed and remain sealed, they provide __________ protection against decay. - ANS 100% When using a one-step etching and bonding process, __________. - ANS No rinsing occurs after application of the material Which of the following are contraindications for sealants? 1. Teeth with extensive dental decay 2. Occlusal pits and fissures of non-carious primary teeth 3. Teeth with well-joined pits and fissures 4. Teeth that have been caries-free for several years - ANS 1, 3, 4 Which of the following are indications for sealants? 1. Recently erupted permanent teeth 2. Occlusal pits and fissures of non-carious primary teeth 3. Teeth with well-joined pits and fissures 4. Teeth that have been caries-free for several years - ANS 1, 2 Why is the etchant or conditioner applied on the occlusal surface 2 to 3 mm beyond the area to be sealed? - ANS To reduce marginal fracturing