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Table 1 Summary of clinical assessment and patient information used in this study

From: Gap arthroplasty with active mouth opening exercises using an interocclusal splint in temporomandibular joint ankylosis patients

No Age/sex Etiology Diagnosis Operation PreOp MMO (mm) PostOp MMO (mm) Follow-up and MMO PostOp complications IOS thickness (mm)
1 23/F Trauma, re-ankylosis after 2 times attempts of gap arthroplasty and interpositional gap arthroplasty Bilateral, right fibrous, Lt bony ankylosis Both gap arthroplasty and both coronoidectomy 15 38 6 yrs, 43 mm Anterior open bite 6
2 15/F Unknown, born with prematurity re-ankylosis, one previous operation Unilateral, Rt bony ankylosis Rt, gap arthroplasty and both coronoidectomy 10 40 6.5 yrs, 35 mm _ 3
3 6/M Trauma in childhood 3 yrs ago Unilateral, Rt bony ankylosis Rt, gap arthroplasty and both coronoidectomy 5 40 7 yrs, 38 mm _ 7
4 61/M Trauma Bilateral, bony ankylosis Both gap arthroplasty and both coronoidectomy 0 35 7 yrs, 40 mm _ 4
5 15/F Septicemia in childhood, re-ankylosis after 3 times attempts Unilateral, Rt bony ankylosis Rt gap arthroplasty and both coronoidectomy 3 43 6.5 yrs, 42.5 mm _ 3
6 62/F Trauma (1 yr), zygomatico-maxillary fracture Unilateral, Lt pseudoankylosis Lt coronoidectomy and Lt arthrocentesis 13 40 6.5 yrs, 37 mm _ 3
7 65/M Trauma (20 yrs), Rt facial skin defect Scar condition and fibrosis of skin Commissurorrhaphy and Lt coronoidectomy 20 35 6.5 yrs, 37 mm _ 5
8 41/M Osteomyelitis in left mandibular ramus Chronic osteomyelitis Both coronoidectomy and Lt saucerization 14 37 7 yrs, 36 mm _ 5
9 31/M Unknown, coronoid hyperplasia Coronoid impingement on both sides, stylohyoid ligament calcification Both coronoidectomy and both stylohyoidectomy 14 36 6.5 yrs, 48 mm _ 3
  1. MMO maximal mouth opening between both incisal tooth tip or between alveolar ridge, PreOp preoperative, PostOp postoperative (in the operation room), yr year, yrs years, Rt right, Lt left, IOS interocclusal splint