Skip to main content

Table 3 Prevalence of TMD and frequency distribution of TMD diagnosis based on symptom questionnaire and clinical examination of Axis-I of Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) among the variables

From: Evaluation of temporomandibular disorders among dental students of Saudi Arabia using Diagnostic Criteria for Temporomandibular Disorders (DC/TMD): a cross-sectional study

Variable Present f (%) Absent f (%) Total (N)
Overall prevalence of TMD (at least one TMD) 91 (36.99) 155 (63) 246
Prevalence of pain-related TMD 68 (27.64)
Prevalence of intra-articular disorders 25 (10.16)
Diagnosis based on DC/TMD axis-I—combination of diagnostic questionnaire and clinical examination
    Independent variables
Age Gender Marital status Academic level GPA
Total  < 20 20–25 > 25 Male Female Single Married Preclinical Clinical  < 3  ≥ 3
Pain-related TMD Myalgia 62 (68.13) 12 (19.35) 31 (50) 19 (30.64) 21 (38.87) 41 (66.12) 24 (38.70) 38 (61.29) 22 (35.48) 40 (64.51) 37 (59.67) 25 (40.32)
Myofascial pain with referral 6 (6.59) 0 4 (66.66) 2 (33.33) 1 (16.66) 5 (83.33) 4 (66.66) 2 (33.33) 0 6 4 (66.66) 2 (33.33)
Arthralgia 12 (13.18) 2 (16.66) 6 (50) 4 (33.33) 3 (25) 9 (75) 5 (41.66) 7 (58.33) 4 (33.33) 8 (66.66) 5 (41.66) 7 (58.33)
Headache attributed to TMD 14 (15.38) 3 (21.42) 6 (42.85) 5 (35.71) 3 (21.42) 11 (78.57) 6 (42.85) 8 (57.14) 5 (35.71) 9 (64.28) 6 (42.85) 8 (57.14)
Intra-articular disorders DDWR 21 (23.07) 4 (19.04) 11 (52.38) 6 (28.57) 8 (38.09) 13 (61.90) 9 (42.85) 12 (57.14) 4 (19.04) 17 (80.95) 11 (52.38) 6 (28.57)
DDWRIL 3 (3.29) 0 1 (33.33) 2 (66.66) 1 (33.33) 2 (66.66) 0 2 (66.66) 1 (33.33) 2 (66.66) 2 (66.66) 1 (33.33)
DDWTRLO 1 (1.09) 0 0 1 (100) 0 1 (100) 0 1 0 1 (100) 0 1 (100)
  1. DDWR disc displacement with reduction, DDWRIL disc displacement with reduction—with intermittent locking, DDWTRLO disc displacement without reduction—without Limited opening; individuals could qualify for more than one diagnosis