Evaluation of Near-Infrared Transparent Sealants for Occlusal Sealing: An In Vitro Study
Camille Litzler, Lydia Vazquez, Clara Isabel Anton Y Otero, Ivo Krejci, Isaline Rossier, Marwa Abdelaziz
TL;DR
This study tested how well different dental sealants let light pass through and how they hold up under stress, finding that some sealants allow monitoring of tooth decay.
Contribution
The study introduces the use of near-infrared transillumination to evaluate sealant transparency and its impact on monitoring carious lesions.
Findings
Helioseal Clear and Fissurit were fully transparent under near-infrared transillumination.
Using OptiBond FL primer on enamel significantly reduced marginal adaptation after fatigue testing.
Some sealants provided excellent marginal adaptation, while others negatively impacted it.
Abstract
Background: This study aimed to analyze and compare the translucency and marginal adaptation of five resin-based materials used as occlusal sealants, both before and after simultaneous fatigue and thermocycling. Two null hypotheses were tested: (1) All tested materials allow the transillumination of sealed occlusal carious lesions. (2) There are no differences in marginal adaptation before and after simultaneous fatigue and thermocycling. Methods: Forty extracted human molars with early occlusal caries lesions were randomly divided into five equal groups. Near-infrared transillumination images of cleaned occlusal surfaces were captured before and after applying the following sealants: (I) OptiBond FL (adhesive alone), (II) OptiBond FL (primer and adhesive) (Kerr Corp., Brea, CA, USA), (III) Scotchbond Universal (3M, St. Paul, MN, USA) combined with OptiBond FL adhesive, (IV) Fissurit…
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Taxonomy
TopicsDental materials and restorations · Dental Erosion and Treatment · Dental Research and COVID-19