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Understanding a commercially available genetic susceptibility test for periodontitis
1Department of Periodontics, University of Medicine and Dentistry of New Jersey, Newark, New Jersey, USA.
Compendium of Continuing Education in Dentistry (Jamesburg, N.J. : 1995)
|November 6, 2001
Summary
Genetic testing for adult periodontitis may identify individuals with specific interleukin genes prone to severe disease. However, clinicians should use caution due to unresolved issues with genetic susceptibility testing for periodontitis.
Area of Science:
- Periodontology
- Genetics
- Biomarkers
Background:
- Adult periodontitis is a common inflammatory condition.
- Genetic factors are increasingly recognized in disease susceptibility.
- Commercial genetic susceptibility tests for periodontitis are available.
Purpose of the Study:
- To review the biologic basis, data, and controversies of a genetic susceptibility test for adult periodontitis.
- To examine issues related to genetic evaluations in periodontitis.
- To provide recommendations for clinicians regarding the use of genetic testing.
Main Methods:
- Review of existing data on genetic variations (interleukin-1A and -1B genes) and periodontitis.
- Examination of statistical concepts (odds ratios) and study designs (longitudinal vs. cross-sectional).
- Discussion of the application of genetic testing in multifactorial diseases.
Main Results:
- Specific alleles of interleukin-1A and -1B genes are associated with increased susceptibility to severe periodontitis.
- Genetic testing for periodontitis involves complex interpretations and requires careful consideration of study limitations.
- Current data necessitate caution in altering clinical therapies based on genetic susceptibility test results.
Conclusions:
- Genetic susceptibility testing for adult periodontitis shows promise but requires further clarification.
- Clinicians should exercise caution when interpreting genetic test results for periodontitis.
- More research is needed to validate the clinical utility and refine the application of genetic testing in periodontitis management.
