NDAEB review 8.5 dental sealants Exam Questions and Answers 100% Solved

NDAEB review 8.5 dental sealants Exam Questions and Answers 100% Solved a plastic-like coating that is applied over the occlusal pits and grooves of the teeth. are used to protect difficult-to-clean occlusal surfaces of the teeth from the bacteria that cause decay - answerA dental sealant is (True or False) The pits and fissures of the teeth do not benefit from the effects of fluoride as much as smooth enamel surfaces do. Scientific studies have proved that properly placed dental sealants are 100 percent effective in protecting development of cavities in sealed tooth surfaces. - answerTrue Indications for Sealants - answerSealants are indicated for teeth with deep pits and fissures, preferably in recently erupted teeth . , tooth on opposite side of mouth has similar pits and fissures, adjacent molars have/need restorations on occlusal, tooth is newly erupted, tooth is fully erupted, no proximal decay is noted, sealants used in conjunction with a fluoride program Contraindications to Sealants - answer• Lack of deep pits and fissures • Obvious dental decay • Any proximal surface decay • Insufficiently erupted teeth • Primary teeth expected to be lost soon • Poor patient cooperation in the dental chair Types of Sealant Materials - answerchemical cured and light cured are supplied as a two-part system (base and catalyst). When these pastes are mixed together, they quickly polymerize (harden). This usually occurs within 1 minute, and the material must be in place before the initial setting occurs. - answerSelf-cured materials do not require mixing. - Visible light-cured sealants are polymerized by photo initiators in the resin that are sensitive to the visible blue light spectrum. After the material has been applied to the tooth, the curing light activates the setting of the material. A vast majority of sealants in use today are light-cured. - answerLight-cured sealants Advantages of self cured sealants - answer• No need for the curing light • No risk of damage to the retina from the curing