In-vitro Comparative Evaluation of Enamel Microhardness Remineralised with Diode and Er,Cr:YSGG Lasers along with CPP-ACP Remineralising Agent
Correspondence Address :
Ravindrakumar Jain,
162, Poonamallee High Road, Velappanchavadi, Chennai, Tamil Nadu, India.
E-mail: ravindrakumar@saveetha.com
Introduction: Enamel demineralisation is a common consequence of orthodontic treatment and has been treated with a variety of methods and recent use of lasers has been investigated.
Aim: To assess and compare the efficacy of diode laser, Erbium, Chromium-Doped: Yttrium, Scandium, Gallium and Garnet (Er,Cr:YSGG) with Casein Phosphopeptide Amorphous Calcium Phosphate (CPP-ACP) and CPP-ACP alone for remineralisation of the demineralised enamel surfaces.
Materials and Methods: This in-vitro experimental study was conducted at Blue Lab, SIMATS, Chennai, Tamil Nadu, India, from February 2021 to March 2021. A total of 40 extracted sound human teeth were obtained and subjected to demineralisation (T0) and divided into three experimental groups of 10 teeth each and one control group with 10 teeth. The study groups were as follows: Group 1- artificial saliva, group 2- CPP-ACP, group 3- Er,Cr:YSGG+CPP-ACP, group 4- diode laser+CPP-ACP. Vickers Microhardness test was done after demineralisation (T0) and after remineralisation (T1). Descriptive statistics, paired t-test and one-way Analysis of Variance (ANOVA) followed by Posthoc Tukey’s test were done to evaluate intragroup and intergroup differences.
Results: On intragroup comparison between T0 and T1 significant differences in microhardness were noted for all groups (p-value <0.05). At T1 the lowest mean microhardness value was noted in group 1 (210.13±41.20) and the highest mean value was noted in group 3 (255.86±41.53). Intergroup comparison revealed no significant difference in microhardness among the all four groups at T0 and T1 (p-value=1.0 and p-value=0.12 respectively).
Conclusion: It can be concluded that both diode laser and Er,Cr:YSGG when used along with CPP-ACP are eq
Casein phosphopeptide amorphous calcium phosphate, Demineralised enamel surface, Diode laser, Erbium laser
DOI: 10.7860/JCDR/2021/51546.15790
Date of Submission: Jul 24, 2021
Date of Peer Review: Sep 06, 2021
Date of Acceptance: Oct 29, 2021
Date of Publishing: Dec 01, 2021
AUTHOR DECLARATION:
• Financial or Other Competing Interests: None
• Was Ethics Committee Approval obtained for this study? Yes
• Was informed consent obtained from the subjects involved in the study? NA
• For any images presented appropriate consent has been obtained from the subjects. NA
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