Pain Research and Management / 2017 / Article / Fig 1

Research Article

Prevalence of Painful Temporomandibular Disorders and Correlation to Lifestyle Factors among Adolescents in Norway

Figure 1

Flowchart showing the design of the study. Screening consisted of a questionnaire and two TMD-P screening questions. Patients with a positive TMD-P response underwent a clinical examination. Patients with a negative TMD-P response served as controls. The clinical examination revealed either actual TMD-P or other causes.