Demographic and clinical characteristics of the study subjects.

Abstract

<p>SD = standard deviation of the mean.</p><p>NRT = number of remaining teeth.</p><p>RCT = root caries teeth.</p><p>RDFS = root decayed filled surfaces.</p><p>^a Student’s t test.</p><p>^b Fisher’s exact test.</p><p>* p<0.05</p><p>** p<0.01</p><p>Demographic and clinical characteristics of the study subjects.</p