Related Experiment Video
Updated: Jun 24, 2025
08:30
A Novel High-Throughput Ex Vivo Ovine Skin Wound Model for Testing Emerging Antibiotics
Published on: September 16, 2022
2.0K
Development of an Artificial White Spot Lesion Creation Protocol: A Preliminary Study
Rajeletchmi Seevalingam1, Norziha Yahaya1, Alizae Marny F Syed Mohamed2
1Department of Restorative Dentistry, Faculty of Dentistry, Universiti Kebangsaan Malaysia, Kuala Lumpur, MYS.
Cureus
|June 13, 2024
Summary
This study found that longer exposure to acetate buffer solution increases artificial white spot lesion (WSL) depth in human teeth. Lesion depth correlates with demineralization time.
Area of Science:
- Dental research
- Cariology
- Materials science
Background:
- Lack of standardized protocols for measuring demineralization lesion depth.
- Artificial white spot lesions (WSLs) are common in dental research.
- Understanding lesion progression is crucial for developing preventative strategies.
Purpose of the Study:
- To evaluate lesion depths of artificial WSLs at varying exposure times to acetate buffer.
- To establish a correlation between demineralization duration and lesion depth.
- To provide a basis for future studies on remineralization agents.
Main Methods:
- Artificial WSLs were created on 30 human premolars using acetate buffer (pH 4.4, 37°C).
- Specimens were exposed for 4, 5, 6, 8, 10, and 12 days.
- Lesion depth was measured using scanning electron microscopy (SEM) after visual confirmation with the Ekstrand-Ricketts-Kidd (ERK) system.
Main Results:
- Mean lesion depths ranged from 101.33 µm (day 4) to 212 µm (day 12).
- A clear positive correlation was observed between exposure duration and lesion depth.
- WSLs were visually identified within grades 1 and 2 of the ERK system.
Conclusions:
- Increased exposure time to acetate buffer significantly increases WSL depth.
- The findings provide quantitative data on artificial WSL progression.
- This study highlights the importance of exposure duration in demineralization studies.
