Pit and fissure sealants Exam Questions And Answers Rated 100%!!!

According to the caries risk assessment a low risk child: - ANS Has no new or incipient caries in the past year. According to the caries risk assessment a child at moderate risk: - ANS Has frequent sugar exposure, early childhood caries, compromised oral hygiene, deep, non-coalesced pits/fissures According to the caries risk assessment an adult classified as high risk: - ANS Has frequent sugar exposure, decreased salivary flow, history of rampant decay, Irregular dental visits, 1 or 2 new caries in the past three years A fissure is: - ANS An imperfect joining of enamel, linear fault A pit is: - ANS A small fault resulting from noncoalescence of enamel The primary cause of decay is thought to be: - ANS by products in plaque and bacteria Incipient caries is: - ANS Beginning stage of caries which affects only the enamel, starts as decalcification, if stopped tooth can repair itself through remineralization. Remineralization - ANS The process of restoring minerals to the enamel. Can occur from the absorption of calcium and phosphate found in saliva and from fluoride treatments, and sealants. Teeth selected for sealant placement have the following criteria: - ANS Deep, retentive, narrow pits and fissures, adult teeth where there is evidence of caries susceptibility. The following members of the dental team can legally place a sealant: - ANS RDA who has completed an approved course, RDAEF, RDH, and the dentist. The biggest problem with sealants at the beginning was: - ANS retention Charateristics of etchant material include: - ANS etching process produces irregular and pitted surfaces, dissolves some of the interprismatic cement between enamel rods, applied to susceptible pits and fissures A photopolymerizing sealant is: - ANS light cured. Autopolymerization is: - ANS Self curing (base and catalyst) Sealants bond to the tooth by: - ANS Adhesive forces, sealants bond with enamel by mechanical means. After curing the inhibition layer it will: - ANS Need to be wiped with cotton, will NOT cure, remain slick to the touch The parotid gland is more of a concern when working on tooth number: - ANS three Isolation is key to a successful sealant and should include the following: - ANS rubber dam, saliva ejector, cotton rolls, dri-aids Teeth should be etched for: - ANS 15 seconds Teeth should be rinsed for: - ANS 20-30 seconds Teeth should be dried for: - ANS at least 20 seconds Standard curing time is: - ANS 20 seconds High energy curing light time is: - ANS 10 seconds If sealant material gets on your gloves: - ANS Remove gloves immediately and wash hands. The fiber optic light should be cleaned with: - ANS It should be covered with a barrier, check manufactures recomendation for cleaning (DO NOT use gluttarldyhyde) The curing light should be held: - ANS 1 to 2 mm from the tooth. The curing light should be checked often to make sure it is operating correctly it should not fall below: - ANS 400