Show simple item record

dc.contributor.advisorShanmugham, Jayapriyaa R.en_US
dc.contributor.authorKim, Jeonghoonen_US
dc.date.accessioned2020-02-13T15:55:05Z
dc.date.issued2020
dc.identifier.urihttps://hdl.handle.net/2144/39376
dc.description.abstractINTRODUCTION: Recent studies have explored the effect of laser on improving enamel hardness and structure. However, the evidence is insufficient regarding optimal settings for laser in enhancing enamel hardness with or without fluoride. The objective of this in-vitro study was to evaluate the effect of CO2 laser irradiation in combination with and without topical fluoride varnish on enamel hardness in permanent teeth. METHODS: Forty extracted non-carious permanent teeth were prepared and treated with laser individually or in combination with fluoride varnish, at two CO2 laser settings (2 and 4 watts). Knoop enamel hardness tests were conducted for before and after treatment. Univariate analysis was conducted to evaluate differences between baseline versus post-treatment enamel hardness. RESULTS: A significant increase in post-treatment enamel hardness following CO2 laser treatment at 2 watts (p-value = 0.04) and in combination with fluoride vanish (p-value = 0.04) was observed when compared to baseline hardness. There were no significant differences between baseline and post-treatment enamel hardness following treatment with CO2 laser 4 watts, individually or in combination with fluoride varnish. While enamel hardness improved following fluoride varnish application alone, this was not statistically significant (p-value = 0.88). When comparing post-treatment enamel hardness between treatment groups there were significant increases in hardness when treated with CO2 laser (2 and 4 watts) in combination with fluoride varnish. CONCLUSION: The results suggest that CO2 lasers can be an additional resource in improving enamel hardness and should be considered for clinical use as part of preventive dental treatment.en_US
dc.language.isoen_US
dc.subjectDentistryen_US
dc.subjectCO2 laseren_US
dc.subjectDentitionen_US
dc.subjectEnamel hardnessen_US
dc.subjectFlouride varnishen_US
dc.subjectIn-vitro studyen_US
dc.subjectLaser irradiationen_US
dc.titleComparing enamel hardness before and after laser and fluoride varnish treatmentsen_US
dc.typeThesis/Dissertationen_US
dc.date.updated2020-01-29T20:03:35Z
dc.description.embargo2022-01-29T00:00:00Z
etd.degree.nameMaster of Science in Designen_US
etd.degree.levelmastersen_US
etd.degree.disciplinePediatric Dentistryen_US
etd.degree.grantorBoston Universityen_US
dc.identifier.orcid0000-0002-5821-1412


This item appears in the following Collection(s)

Show simple item record