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Modified extrinsic tooth stain index and its clinical applicability
Charu Mohan Marya1, Pratibha Taneja1, Tanvi Kaur Ahuja1
1Department of Public Health Dentistry, Sudha Rustagi College of Dental Sciences and Research, Faridabad, Haryana, India.
Journal of Indian Society of Periodontology
|March 6, 2023
Summary
A new modified stain index offers a simpler and clearer method for assessing extrinsic tooth stains compared to the Lobene stain index. This validated index is easier to use in clinical settings.
Area of Science:
- Dental diagnostics
- Oral hygiene assessment
- Biomaterials science
Background:
- The Lobene stain index (1986) is a standard for extrinsic tooth stain assessment.
- Existing indices, including Lobene, often lack simplicity, reproducibility, and sensitivity for field use.
- A need exists for a more practical and effective stain assessment index.
Purpose of the Study:
- To propose a modified stain index for extrinsic tooth stain assessment.
- To enhance simplicity and clarity in stain recording.
- To develop an alternative to the cumbersome Lobene stain index.
Main Methods:
- An observational study involving 16-44-year-old healthy participants with natural teeth.
- Modified criteria for recording stain area, while maintaining intensity codes from the MacPherson Index.
- Statistical analysis using SPSS v21, including Mann-Whitney U-test for inferential statistics.
Main Results:
- No statistically significant differences were found in measurements of stain area, intensity, or their product between the proposed and existing indices (P > 0.05).
- Validation of the proposed index for clinical application was demonstrated.
- The modified index proved reliable for assessing extrinsic tooth stains.
Conclusions:
- The proposed modified stain index offers advantages in ease of recording and conciseness.
- Reduced complexity in area recording makes the new index more practical.
- The modified index is a viable and advantageous alternative for clinical extrinsic stain assessment.
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