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Comparison of Qualitative and Quantitative Methods for Gingival Thickness Assessment: Color-Coded Probe Versus
Jakub Hadzik1, Paweł Kubasiewicz-Ross1, Tomasz Gedrange1,2
1Department of Dental Surgery, Faculty of Dentistry, Wroclaw Medical University, Krakowska 26, 50-425 Wroclaw, Poland.
Materials (Basel, Switzerland)
|March 14, 2026
Summary
Color-coded probes offer a reliable screening method for gingival thickness, correlating well with precise ultrasound measurements. This supports a combined diagnostic approach for better clinical decisions.
Area of Science:
- Dentistry
- Biomedical Engineering
Background:
- Accurate gingival thickness assessment is crucial for dental implantology, periodontology, and orthodontics.
- Color-coded probes offer qualitative screening, while ultrasonography provides quantitative measurements, but their relationship is unclear.
Purpose of the Study:
- To evaluate the correlation between qualitative gingival phenotype classification using a color-coded probe and quantitative soft tissue thickness measured by ultrasonography.
Main Methods:
- An observational diagnostic substudy was conducted.
- Gingival phenotype was categorized (thin, medium, thick, very thick) using probe translucency.
- Ultrasound-derived thickness values were obtained at standardized sites for comparison.
Main Results:
- Qualitative phenotype categories demonstrated a consistent association with quantitative ultrasound measurements.
- Color-coded probes serve as effective screening tools within a broader diagnostic strategy.
- Ultrasonography provides objective, detailed data for assessment and monitoring.
Conclusions:
- A complementary diagnostic approach combining qualitative screening with quantitative ultrasonography is supported.
- This integrated method enhances clinical decision-making in various dental fields.
