PIT & FISSURE SEALANT STATE EXAMINATION Questions And Answers

The primary reason why very few children are protected by dental sealants is __________. - Lack of public awareness The first stage of incipient caries, or lesions, occurs when ______________________________. - There is demineralization of the enamel. Early Childhood Disease (ECC) affects _____ of preschool children. It is an infectious disease. - 1/3 _________________ is known as a disease producing bacteria found in large numbers in dental - Mutans Streptococci The carious process can be slowed or prevented by _____ - Using Fluoride ___________ are known to occur on the tooth/teeth that surround a restoration - Recurrent Decay Caries detection dyes can indicate, _____________, any areas of decay and thus aid in earlier caries detection - By using color _____ is the carious lesion most commonly found in elderly patients. - . Root caries What is the purpose of a filler material in the sealant? - To make it more wear resistant Sealant materials are supplied in 3 colors. What are they? - Clear, Tinted and Opaque Methods of Polymerization include : - Self cured and Light cured Nearly _______ of properly placed dental sealants are effective in protecting development of cavities. - 100 _____ is recommended for patients with known acrylate allergies. - Not placing sealants using the "no touch" technique Microabrasion is sometimes used before sealants are applied ________. - To etch the tooth structure .To remove any slight decay When properly placed, sealants can usually last __________. - 5 - 10 years Dental caries _______ if the sealant material remains in place. - Will not occur Most sealant failures will occur within _____. - The 1st 3-6 months Some brands of sealant material contain fluoride that is released after polymerization. - True Besides moisture contamination, what else is a factor in loss of sealant retention? - Inadequate etching time _____ increases the flow of saliva and reduces the acid to the teeth. - Xilytol Placing too much sealant material in the contact areas can result in _____ and may be alleviated by _______. - Blocked contacts and flossing Clinical researchers have shown that sealing the margins of amalgam and composite restorations with unfilled resins will do which of the following: 1) prevents microleakage, 2) arrest the progression of caries, 3) prevents existing restorations, and 4) preserve tooth structure. - 1,2,4 In order to obtain complete coverage of the tooth with sealant material without voids, the operator should ________ - Use a mouth mirror and an explorer, gently trace the sealant . Use the cotton pliers and a cotton pellet to smooth the material - 30 Use the cotton pliers and a cotton pellet to smooth the material - Fermentable carbohydrates; specific bacteria