Table 1.

Inclusion and exclusion criteria for both groups (study group and control group).

Group	Inclusion and Exclusion Criteria for Group Selection
General	Inclusion criteria: -generally healthy patients (no systemic diseases) -age between 16 and 60 years old -willingness to participate in the study -no previous orthodontic treatment Exclusion criteria: -age below 16 and above 60 years old -TMJ ankylosis -pregnancy -rheumatological diseases, oncological diseases -people who had undergone radiotherapy (especially in the area of head and neck) -patients who had ever had any traumas in the area of head and neck -people treated orthodontically at least once in the past -patients who did not agree to take part in the study
Study group (n = 50 patients)	Inclusion criteria: -presence of TMJ reciprocal clicking in at least one of the TMJs Exclusion criteria: -other types of internal derangements apart from DDwR
Control group (n = 55 patients)	Inclusion criteria: -no symptoms of TMD, no presence of reciprocal clicking Exclusion criteria: -any symptoms of TMD