Surgery For a 8 year old child with TMJ ankylosis, the treatment of choice is A Gap arthroplasty B Condylectomy C Gap arthroplasty with costochondral grafting D Treatment not required 💡 Explanation For a 8 year old child with TMJ ankylosis, the treatment of choice is ✓ Correct Answer: C. Gap arthroplasty with costochondral grafting