Figure 3From: Does a dose-response relation exist between spinal pain and temporomandibular disorders? Symptoms of temporomandibular disorders as independent variable: Prevalence of spinal pain. Prevalence of frequent spinal pain among subjects without symptoms of temporomandibular disorders (TMD-0), TMD-1 subjects with infrequent symptoms of TMD, TMD-2 subjects with frequent, mild symptoms of TMD, and TMD-3 subjects with frequent, severe symptoms of TMD.Back to article page