Teaching plaque control II. 30‐minute versus 15‐minute appointments in a three‐visit program

Abstract
Two plaque control programs were compared. One of the programs was given as a series of 3 consecutive 30-min instruction appointments during a 14-day period. The other program was condensed into one 15-min instruction appointment and two subsequent 15-min follow-up visits. Blue-collar workers (59) served as subjects and were divided into 3 matched groups: 2 experimental groups (30-min and 15-min group) and 1 control group. The 30-min program, as well as the 15-min program, significantly reduced the plaque scores in the participants. No difference could be observed between the results of the 2 programs during the immediate 12-wk observation interval or throughout the subsequent 24 mo. of maintenance care. The results of the present study together with results by Soderholm et al. and Woofter et al., indicate that coprehensive plaque control programs may not be necessary and may not increase the effect of basic plaque control instruction.

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