Arthrocentesis and Temporomandibular Joint Disorders: Clinical and Radiological Results of a Prospective Study

Table 3

Changes in MRI findings.

	Preoperative	Postoperative	P
Disc position
No AD	4	4
AD	26	26
Disc mobility
Normal	30	30
Stuck
Joint effusion			0.15
Absent	22	24
Present	8	6
Bone marrow oedema
Absent	25	25
Present	5	5
Osteoarthrosis
Absent	27	27
Present	3	3

AD: anterior displacement.