Sealants STATE EXAM Questions And Answers Rated 100%!!!

The primary cause of dental caries is - ANS Bacteria and fermentable carbohydrates The calcified tissue that makes up the tooth is - ANS dentin Who is legally allowed to place sealants? - ANS RDA, RDAEFII, Dentist What is the procedure to follow of there appears to be saliva contamination during the etching process? - ANS Re-etch for 10 seconds and rinse etched area thoroughly and dry for approximately 20-30 seconds When using the high energy curing light, sealants should have each covered surface cure for - ANS 10 seconds How is photopolymerizing sealant material hardened? - ANS Light curing What is pellicle? - ANS Thin film coating of salivary materials deposited on tooth surfaces What is material alba? - ANS Soft mixture of bacteria and salivary proteins; also known as "white material" What would likely happen if any small amounts of etchant contacted the enamel in an area that is not covered with the sealant material? - ANS Very likely deminearalize List 3 uses for an explorer instrument in the placement of sealants - ANS Checks surface is properly etched Removes bubbles in the sealant Check for voids and adequate retention What three factors will determine the ultimate success of a sealant - ANS Maintaining a the tooth dry and clean, accurate timing and rinsing, and appropriate sealant placement What supervision level will the dentist employ when allowing an auxiliary to place sealants - ANS Dentist determines level Define Pit - ANS Hole or depression in the enamel Define fissure - ANS It is a fault along a development groove on the occlusal surface What is the first stage in caries formation - ANS Demineralization List 3 precautions that should be followed when using a high intensity curing light - ANS A shield is placed when using the light Operator and patient wear safety glasses Operator should not look directly into the light Since it is not possible to identify those patients who are infectious the use of - ANS Standard Precautions are required during sealant application How long after sealant placement should the patient be recalled? And why? - ANS 6 months, to make sure sealants are still there or have failed Describe the placement, and the appearance after placement, of Ultraseal XT plus - ANS Small amounts expressed on brush use a scrubbing motion over pits and fissures What should you do after the sealant has been cured? - ANS Floss, check for contact, and coverage What is the procedure used when there is excess hardened sealant material on the tooth? - ANS Use a carver or explorer to remove excess until height and bite is comfortable for the patient What are incipient caries? - ANS The earliest detectable sign of tooth decay, lesions have not yet penetrated the dentin What are OSHA's PPE requirements for sealant placement? - ANS Protective clothing, eyewear, masks, and gloves