The relative efficiencies of some periodontal partial recording selections

Publisher Website
Google Scholar
Abstract
One hundred 11–15 year old clinic patients were examined, and the presence or absence of unequivocal gingivitis and periodontal pocketing was recorded separately for each permanent tooth, From the full‐mouth data, each subject was also scored using combinations of teeth recommended for partial recording with the PMA, GI, and PDI index systems. Spearman's Rank Correlation Coefficient (rs) was selected, after inspection of the frequency distributions, to express the associations between the partial recording and full‐mouth scores. From the values of rs, the relative efficiency of each partial recording combination was computed, in terms of the number of subjects required to provide a statistical test of similar power to that provided by a full‐mouth examination of 100 subjects. The GI combination proved to be the most efficient. Values for rs of 0.899 for gingivitis and 0.846 for periodontitis were obtained between this combination and the full‐mouth scores. It was estimated that 124 and 139 subjects, respectively, would be required for gingivitis and periodontitis assessments, using the GI selection, compared with 100 for a full‐mouth examination. None of the combinations adequately identified all subjects with one or more affected units.

This publication has 6 references indexed in Scilit: