Pit & Fissure sealant Exam Questions And Answers Graded A+!!

The first step in placing dental sealants is to ___ the surface to be sealed? - ANS Clean If an unfilled resin feels high to the patient after it has been placed - ANS Tell the patient that it will wear down in the next few days Pit and fissure sealants? - ANS Firmly bond the tooth structure to form a physical barrier between the teeth and the oral environment & prevent acids produced by bacteria and dietary carbohydrates from causing tooth decay Sealants on teeth have an advantage over restorative materials because? - ANS They are non-invasive and the tooth remains intact Pit & fissure sealants may be placed by a licensed dental assistant in MN under ____ supervision - ANS Indirect The accepted methods of polymerizing pit and fissure sealants are? - ANS Light curing The shelf life of most sealant products at room temperature ranges from? - ANS 18-36 months P In order to retain the sealant, the enamel is etched with? - ANS Phosphoric acid What does a slurry of pumice mean? - ANS A slightly watery mixture Why must a prophylaxis be done to a tooth prior to applying a sealant? - ANS None of the above: The acquired pellicle must be removed, the bacterial plaque must be removed, and a small portion of enamel must be removed Sealants may be indicated in the following clinical findings? - ANS Deep pits and fissures on occlusal surfaces Once a tooth is acid-etched and rinsed, what is the biggest factor that will contaminate the surface and cause the sealant to fail? - ANS Saliva The sealant used most commonly today is? - ANS BIS-GMA What can be used in interproximal spaces if the contacts are unable to be flossed because they are sealed together? - ANS Dental floss & floss threader What is the benefit of using fluoride-released sealant materials? - ANS They aid in re-mineralizing incipient decay & they create a fluoride-rich layer that may make pits & fissures more resistant to decay Sealant material should be applied? - ANS Toward the inclined planes and marginal ridge but not covering the marginal ridge All of the following statements concerning the acid-etch solution are true except? - ANS It should be applied prior to the pumicing What is necessary for the patient to know about sealants? - ANS Sealants bond to the tooth, sealing the pits and fissures and protect them from decay, sealants are only a part of a total preventive program, re-examination of the sealant at regularly scheduled recall appointments is necessary. Where should the etchant be placed when performing a sealant procedure? - ANS In the buccal and lingual grooves, and into the grooves of the occlusal surface What material should you use to clean the teeth to be sealed? - ANS Flour of pumice Sealants may be applied to? ___ - ANS Lingual pits of maxillary permanent incisors, buccal groves of mandibular molars, and occlusal surfaces _____ provide the greatest protection from caries on smooth surfaces? - ANS Sealants Because sealant material physically bonds to a tooth - ANS Bacteria and food are sealed out of the pit and fissure Pit and fissure sealants are contraindicated in all of the following except teeth with? - ANS Deep fissures on the occlusal surface A colored or tinted sealant may be considered due to the fact that? - ANS Visibility is better If saliva accidentally comes in contact with an already etched tooth to be sealed, what should you do? - ANS Re-etch the tooth You should seal occlusal surfaces of teeth if they are? - ANS Caries free, carious, and recently erupted