Related Experiment Video
Updated: Aug 8, 2026

09:47
Isolation, Processing and Analysis of Murine Gingival Cells
Published on: July 2, 2013
Evaluation of a gingival inflammation test: gindex
Summary
The Gindex test showed no significant correlation with established gingival and plaque indices. This dental diagnostic tool is considered unreliable for assessing gingival inflammation.
Area of Science:
- Periodontology
- Dental Diagnostics
Background:
- Accurate assessment of gingival inflammation is crucial for effective periodontal disease management.
- Existing indices for gingival inflammation and plaque levels require validation of new diagnostic methods.
Purpose of the Study:
- To evaluate the accuracy and reliability of the Gindex test.
- To compare the Gindex test with established gingival inflammation indices (GI, PBI) and plaque indices (SPI, thickness, extension index).
Main Methods:
- The Gindex test was performed and compared against GI, PBI, SPI, and plaque thickness and extension indices.
- Duplicate Gindex tests were conducted on the same saliva samples to assess reproducibility.
Main Results:
- No statistically significant correlation was found between the Gindex test and any of the compared gingival or plaque indices.
- Considerable variability in results was observed when duplicate Gindex determinations were performed on identical saliva samples.
Conclusions:
- The Gindex test demonstrated significant inaccuracies and lack of reproducibility.
- The Gindex test is not recommended for the objective clinical assessment of gingival inflammation.

