NUVA SEAL is:
Correct Answer: UV activated sealant
Description: First Generation Sealants:
Polymerized with UV light at a wavelength of 365 nm – cyanoacrylate based material.
Classified as ‘accepted’ by ADA in 1976.
Eg: Alpha seal, Nuva Seal
Failed due to:
Excessively absorbed UV light-prevented complete polymerization of sealant at its depth.
Inconsistency of wavelength from the UV light source.
The potential for retinal damaged with long term exposure to UV light.
Category:
Dental
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