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Papers by Chaithra Lakshmi
Journal of Pharmaceutical & Scientific Innovation, 2014
The aim of this study is to compare the effect of a new re mineralizing agent on tooth surface be... more The aim of this study is to compare the effect of a new re mineralizing agent on tooth surface before and after bleaching procedure. Freshly extracted intact human premolar teeth from patients extracted for orthodontic purposes were collected. Enamel sections were prepared from surfaces of teeth using diamond cutting disc and slow speed hand piece under water cooling. Specimens were divided into 4 groups of 8 specimens each and subjected to surface treatment as follows: Group-1 (Control-Intact tooth surface), Group-2 (Bleached tooth surface), Group-3 (Re mineralization before bleaching), Group-4 (Bleaching followed by re mineralization). The re mineralizing agent used was 0.21 % Sodium fluoride-tricalcium phosphate based cream (Clinpro tooth cream, 3M ESPE) for 4 minutes. The bleaching agent used was 10 % Carbamide peroxide gel (Opalescence) for a period of 8-10 hours. Enamel Specimens were examined under scanning electron microscopy-Energy Dispersive X-ray Analysis and data obtained was statistically analyzed. A significant difference was seen in both calcium and phosphate levels of all the four groups mainly between the samples of Group 2 [bleached] and Group 4 [bleaching + re mineralization]. The de mineralizing effect of bleaching on enamel surface can be reduced by surface treatment using a re mineralizing agent as toothpaste containing Beta tricalcium phosphate. The re mineralization effect is relatively greater when the re mineralizing agent is used after the bleaching procedure rather than before the procedure.
Journal of Dental Health and Oral Research, 2021
Aim: To evaluate the reducing potential of herbal toothpastes in comparison with a non-herbal too... more Aim: To evaluate the reducing potential of herbal toothpastes in comparison with a non-herbal toothpaste. Methodology: In-vitro analysis was conducted among seven herbal toothpaste groups (numbered from 1-7) and one non-herbal toothpaste (group 8). The toothpastes were diluted with distilled water, filtered, and the clear solution was taken as a test sample. Evaluation of reducing potential was done by Dinitrophenylhydrazine (DNPH) method. The results were obtained using the ANOVA test. Result: Group 3 (Dabur dant rakshak) of the herbal tooth pastes showed the highest reducing potential with a mean value of 4.46 followed by group 5 (Patanjali Dantkanti), group 2 (Dabur red gel), group 1 (Dabur Red toothpaste), group 6 (Colgate Swarna Vedshakti), group 4 (Dabur
Journal of Pharmaceutical & Scientific Innovation, 2014
The aim of this study is to compare the effect of a new re mineralizing agent on tooth surface be... more The aim of this study is to compare the effect of a new re mineralizing agent on tooth surface before and after bleaching procedure. Freshly extracted intact human premolar teeth from patients extracted for orthodontic purposes were collected. Enamel sections were prepared from surfaces of teeth using diamond cutting disc and slow speed hand piece under water cooling. Specimens were divided into 4 groups of 8 specimens each and subjected to surface treatment as follows: Group-1 (Control-Intact tooth surface), Group-2 (Bleached tooth surface), Group-3 (Re mineralization before bleaching), Group-4 (Bleaching followed by re mineralization). The re mineralizing agent used was 0.21 % Sodium fluoride-tricalcium phosphate based cream (Clinpro tooth cream, 3M ESPE) for 4 minutes. The bleaching agent used was 10 % Carbamide peroxide gel (Opalescence) for a period of 8-10 hours. Enamel Specimens were examined under scanning electron microscopy-Energy Dispersive X-ray Analysis and data obtained was statistically analyzed. A significant difference was seen in both calcium and phosphate levels of all the four groups mainly between the samples of Group 2 [bleached] and Group 4 [bleaching + re mineralization]. The de mineralizing effect of bleaching on enamel surface can be reduced by surface treatment using a re mineralizing agent as toothpaste containing Beta tricalcium phosphate. The re mineralization effect is relatively greater when the re mineralizing agent is used after the bleaching procedure rather than before the procedure.
Journal of Dental Health and Oral Research, 2021
Aim: To evaluate the reducing potential of herbal toothpastes in comparison with a non-herbal too... more Aim: To evaluate the reducing potential of herbal toothpastes in comparison with a non-herbal toothpaste. Methodology: In-vitro analysis was conducted among seven herbal toothpaste groups (numbered from 1-7) and one non-herbal toothpaste (group 8). The toothpastes were diluted with distilled water, filtered, and the clear solution was taken as a test sample. Evaluation of reducing potential was done by Dinitrophenylhydrazine (DNPH) method. The results were obtained using the ANOVA test. Result: Group 3 (Dabur dant rakshak) of the herbal tooth pastes showed the highest reducing potential with a mean value of 4.46 followed by group 5 (Patanjali Dantkanti), group 2 (Dabur red gel), group 1 (Dabur Red toothpaste), group 6 (Colgate Swarna Vedshakti), group 4 (Dabur