fifty-one patients ( mean age , 47.3 years ) with moderate to severe periodontal disease and 40 patients ( mean age , 48.9 years ) with symptoms related to bruxism ( occlusal parafunctions such as grinding and/or clenching of the teeth ) were compared with regard to periodontal conditions and signs and symptoms of mandibular dysfunction .
C0017563
periodontal
C0031090
periodontal conditions