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Measurement properties of gingival biotype evaluation methods
Patrick Henry Machado Alves1, Thereza Cristina Lira Pacheco Alves1, Thiago Amadei Pegoraro2
1Oral Rehabilitation, Bauru School of Dentistry, University of Sao Paulo, Bauru, São Paulo, Brazil.
Clinical Implant Dentistry and Related Research
|January 20, 2018
Summary
Computed tomography scanning (CTS) offers a reliable method for assessing gingival tissue thickness. While effective for diagnosing thick biotypes, its sensitivity for thin biotypes requires further investigation.
Area of Science:
- Periodontology
- Dental Imaging
- Biostatistics
Background:
- Gingival tissue thickness measurement lacks standardized comparative methods.
- Accurate assessment is crucial for various dental procedures.
Purpose of the Study:
- Introduce and validate a novel computed tomography scanning (CTS) method for gingival biotype assessment.
- Compare the efficacy of CTS against established techniques.
Main Methods:
- Evaluated gingival thickness using periodontal probe transparency, transgingival probing, photography, and CTS.
- Assessed intrarater and interrater reliability using Cohen's kappa, ICC, and ANOVA.
- Determined criterion validity of CTS against the transgingival method, calculating sensitivity and specificity.
Main Results:
- Highest agreement (86.1%) observed between transgingival method and CTS.
- CTS demonstrated high specificity (94.92%) but low sensitivity (53.85%) for identifying thin gingival biotypes.
- Reliability analyses confirmed the consistency of the CTS method.
Conclusions:
- Computed tomography scanning (CTS) is a reliable and clinically useful method for assessing gingival tissue thickness.
- The CTS method shows particular promise for diagnosing thick gingival biotypes.
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