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Measurement of gingival thickness using digital vernier caliper and ultrasonographic method: a comparative study
Swati Sharma1, Srinath L Thakur, Shyamsunder K Joshi
1Department of Periodontics and Implantology, Mahatma Gandhi Dental College and Hospital, Jaipur, India.
Background:
The measurement of the thickness of the gingival tissues has been done using different techniques. Trans-gingival probing with a graduated probe, use of vernier calipers, ultrasonography and cone-beam computed tomography (CBCT), have all been tried, but no one technique has been shown to be consistent and better than the others. The present study was done to evaluate and compare the gingival thickness as measured with a digital vernier caliper and ultrasonography.
Methods:
A total of 30 systemically healthy, non-smokers were included in the study. The gingival measurements were made and recorded from the maxillary and mandibular lateral incisor areas at 2 locations: (a) at a point apical to the free gingival groove; and (b) at a point immediately coronal to the muco-gingival junction.
Results:
The mean gingival thickness ranged from 0.56 to 1.02 mm. Males had a significantly thicker gingiva as compared to females (P < 0.10). Significant differences were not observed when the measurements made using the digital vernier caliper and those made with ultrasonography were compared.
Conclusions:
The thickness of the gingiva was in the range of 0.56-1.02 mm. A digital vernier caliper and ultrasonography both can be used to assess the gingival thickness with equal accuracy.
