Disc ringlike, ca. 1.5 mm in height, the margin repand, glabrous.
Using the intraoral photographs as an aid in identification of the cemento-enamel junction, the following measurements were made for each tooth on study models: clinical recession, clinical crown height, gingival margin-papillae, and attrition.
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Independent t-tests were performed for clinical crown height and gingival margin-papillae to determine whether differences exist between these two subsets of teeth for these measurements.
The clinical crown height and gingival margin-papillae measures can be used to precisely quantify gingival recession following orthodontic and/or periodontal procedures. .
The focus of this study was to determine if either clinical crown height or gingival margin-papillae could serve as a quantitative indirect measure to detect gingival recession.
The means and standard deviations for the clinical crown height and gingival margin-papillae measurements (Tables 1 and 2) are reported to allow for comparison to other samples in the future.
In particular, a baseline line assessment of the gingival margin heights in addition to the patient's age, biotype, planned arch expansion and the width of the alveolus should be taken into account prior to commencing treatment.
Clinical recession, clinical crown height, and gingival margin-papillae measurements all have advantages and disadvantages and, therefore, could be considered together to provide an accurate and precise assessment of the architecture of the gingival tissue.
The data for clinical crown height and gingival margin-papillae were measured and recorded using a Mitutoyo Absolute Digimatic digital caliper (No. 99MAD014M, Series No. 500; Mitutoyo American Corporation, Aurora, IL).
