EVALUATION OF CO2 LASER IRRADIATION ASSISTED TITANIUM TETRAFLUORIDE GEL EFFECT ON ENAMEL DEMINERALIZATION AROUND ORTHODONTIC BRACKETS: AN IN VITRO STUDY

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ZANDIAN REZA; MOSHKELGOSHA VAHID; FEKRAZAD REZA

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Journal: JOURNAL OF LASERS IN MEDICAL SCIENCES Year:2018 | Volume:9 | Issue:SUPPL A (9TH WORLD CONGRESS OF SOLA) Page(s): 61-61

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Title

EVALUATION OF CO2 LASER IRRADIATION ASSISTED TITANIUM TETRAFLUORIDE GEL EFFECT ON ENAMEL DEMINERALIZATION AROUND ORTHODONTIC BRACKETS: AN IN VITRO STUDY

Author(s)

ZANDIAN REZA | MOSHKELGOSHA VAHID | FEKRAZAD REZA

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Abstract

Background: Demineralization of enamel around orthodontic brackets is a clinical problem which can lead to some challenges of esthetic concerns like white spot lesions. The aim of this in vitro study was to assess the caries-preventive potential of carbon dioxide (CO2) laser application in conjunction with the use of titanium tetra fluoride gel in inhibiting demineralization of enamel surrounding orthodontic brackets when exposed to cariogenic challenge.Methods: Eighty healthy permanent human premolars were used. Metal orthodontic brackets were bonded to all the teeth. Then all the teeth were painted with 2 layers of acid-resistant nail varnish on all surfaces except the boxes area cervical to the brackets. They were randomly assigned into four groups (n=20): topical 4% TiF4 gel, CO2 laser (P: 0.25 W, E: 12.5 mJ, RR: 20 Hz, PD: 140 ms, 11% air, without water, for 10 s); fluoride+laser group (F+L), and control group (C). Then, the teeth were immersed in pH-cycling solutions for 10 days. The mean lesion depths were subsequently determined using polarized light microscopy. The data were analyzed by one-way analysis of variance (ANOVA) and Tukey post hoc test.Results: Significant differences were found between group C and all other groups (P<0.05). There were significant differences between the mean lesion depth of the F+L and L groups in comparison to the F group (P<0.05). The results in the L and F+L groups were similar. The L+F group had the shallowest average lesion.Conclusion: Considering the fact that this is an in vitro study, it can be suggested that treatment of enamel surface around brackets with CO2 laser and TiF4 could result in less enamel demineralization during the course of orthodontic treatment. Using TiF4 fluoride gel alone was not as effective as laser in preventing caries formation around brackets. Taking into cognizance the fact that the combination of CO2 laser and fluoride significantly decreased enamel mean lesion depth compared with fluoride treatment alone, this study suggests its use in preventing enamel demineralization around orthodontic brackets.

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APA: Copy

ZANDIAN, REZA, MOSHKELGOSHA, VAHID, & FEKRAZAD, REZA. (2018). EVALUATION OF CO2 LASER IRRADIATION ASSISTED TITANIUM TETRAFLUORIDE GEL EFFECT ON ENAMEL DEMINERALIZATION AROUND ORTHODONTIC BRACKETS: AN IN VITRO STUDY. JOURNAL OF LASERS IN MEDICAL SCIENCES, 9(SUPPL A (9TH WORLD CONGRESS OF SOLA)), 61-61. SID. https://sid.ir/paper/326071/en

Vancouver: Copy

ZANDIAN REZA, MOSHKELGOSHA VAHID, FEKRAZAD REZA. EVALUATION OF CO2 LASER IRRADIATION ASSISTED TITANIUM TETRAFLUORIDE GEL EFFECT ON ENAMEL DEMINERALIZATION AROUND ORTHODONTIC BRACKETS: AN IN VITRO STUDY. JOURNAL OF LASERS IN MEDICAL SCIENCES[Internet]. 2018;9(SUPPL A (9TH WORLD CONGRESS OF SOLA)):61-61. Available from: https://sid.ir/paper/326071/en

IEEE: Copy

REZA ZANDIAN, VAHID MOSHKELGOSHA, and REZA FEKRAZAD, “EVALUATION OF CO2 LASER IRRADIATION ASSISTED TITANIUM TETRAFLUORIDE GEL EFFECT ON ENAMEL DEMINERALIZATION AROUND ORTHODONTIC BRACKETS: AN IN VITRO STUDY,” JOURNAL OF LASERS IN MEDICAL SCIENCES, vol. 9, no. SUPPL A (9TH WORLD CONGRESS OF SOLA), pp. 61–61, 2018, [Online]. Available: https://sid.ir/paper/326071/en

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