MN Dental Assistant License Exam || Over 200 Questions & All Accurate Answers (Graded A+)

MN Dental Assistant License Exam || Over 200 Questions & All Accurate Answers (Graded A+) MN Dental Assistant License Exam || Over 200 Questions & All Accurate Answers (Graded A+) A perio pack protects and most closely resembles gingival tissue is - ANSWER - Visible light cured What could be used to remove biofilm from the perio pack during homecare? - ANSWER - A soft bristle tooth brush What instrument can be used to remove a perio pack? - ANSWER - Explorer What teeth would contraindicate sealants? - ANSWER - Well coalesced (comes together) pits and fissures What is the preferred isolation method for sealants? - ANSWER - Rubber dam What are signs of a properly etched tooth? - ANSWER - Frosty, dull, and chalky If you burnish enamel while etching, the result is - ANSWER - A smooth area with a weak bond How long do you re-etch a contaminated tooth? - ANSWER - 5-15 seconds, True or false: Some of the manufacturers do not consider fluoride polishing pastes to be contraindicated. - ANSWER - False True or False: Sealants are a noninvasive technique - ANSWER - True The purpose of acid etch is to - ANSWER - Create a porosity in the enamel Before etching, what is the tooth polished with? - ANSWER - Flour pumice/water slurry What are forms of etch, and what are not? - ANSWER - ARE: gel, liquid, viscous spray NOT: spray What about storage of etchant and sealant materials are true? - ANSWER - Use at room temp with no fridge What is the setting time for chemical enamel sealants? - ANSWER - 1 minute How far under the gingiva for a temporary impression? - ANSWER - 1mm Why is polycarbonate temporary best? - ANSWER - It is the same color as the natural teeth Most commonly used sealant material? - ANSWER - BIS-GMA What is used to best remove the sharp edges and angles on a temp crown? - ANSWER - Contouring pliers What is the purpose of a fulcrum during cement removal?