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Updated: Jan 24, 2026

An Epithelial Abrasion Model for Studying Corneal Wound Healing
Published on: December 29, 2021
Effect of four different dentifrices applied by customized automated brushing device on enamel surface abrasion: An
Paromita Mazumdar1, Deepshikha Chowdhury1, Saikat Chatterjee1
1Department of Conservative Dentistry and Endodontics, Guru Nanak Institute of Dental Sciences and Research, Kolkata, West Bengal, India.
Aim:
The aim of this study is to evaluate the enamel surface abrasion using four different dentifrices and a customized automated brushing machine under a profilometer.
Materials And Methods:
A total of 30 enamel blocks (9 mm × 9 mm × 2 mm) were prepared from freshly extracted maxillary central incisors which were randomly divided into five equal groups (Group 1: specimens brushed with Colgate Total, Group 2: specimens brushed with Colgate Lemon and Salt, Group 3: specimens brushed with Colgate Visible White, Group 4: specimens brushed with Colgate Sensitive, and Group 5: intact enamel surface). Samples were brushed using a customized automated toothbrushing machine for 60 min. A profilometric read out (Ra value) was taken for each group subjected to brushing and also for the control group.
Statistical Analysis:
Statistical analysis used in this study was one-way analysis of variance followed by post hoc Tukey's test.
Results:
Statistically significant differences (P < 0.05) were observed in the values of enamel abrasion (Ra) among Group 1-Group 4 whereas Group 5 (control group) had no significant difference in enamel abrasion (P > 0.05).
Conclusion:
The highest enamel abrasion was observed in the group with Colgate Visible White toothpaste, and the least enamel abrasion was seen in the group with Colgate Sensitive Plus.
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