الفهرس 
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Abstract
The objective of this study was to compare between cyclooxygenase-2 inhibitor (meloxicam) and non-steroidal anti-inflammatory(piroxicam) in management of patients with TMJ internal derangement.. The present study was conducted on 12 patients selected from those attending the outpatient clinic of Oral and Maxillofacial Surgery Department, Faculty of Dentistry, Suez Canal University. The selected patientspresented with impaired jaw movements, limited joint function, limited mouthopening, Pain with movement of the temporomandibular joint and TMJ noise (Clicking at the affected joint). All selected patients were informed about the details of the study and signed an informed consent. Pre-operative assessment was carried out including measurement of maximum mouth 1, 3 and 6 months post-operatively , to a level still significantly higher than the pre-operative value.
Comparing the two groups, One week post-operatively, a higher mean value was recorded in the first group, with no significant difference (p=0.142). One month post-operatively, a slight higher mean value was recorded in the first group, with no significant difference (0.165). At three and six months post-operatively, a higher mean value was recorded in the first group, with ahighly significant difference (p=0.032 and 0.04 respectively).
Pain score after one week post-operatively, recorded a higher mean value and mean rank was recorded in the second group, with no significant difference between the two groups (p=0.964). At one month a higher mean value and mean rank was recorded in the second group, with no significant difference between the two groups(p=0.653). At three months and six months post-operatively, a higher mean opening, assessment of pain, and clicking sound. These measurements were considered to be the base-line values.
Patients who met the criteria of selection were prepared to undergo arthrocentesis procedure under complete aseptic precautions. After complete lavage of the joint, Patients were divided randomly into two equal groups:
group 1:This group consistsof 6 cases withT.M.J.D, where arthrocentesis will be performed for the affected joint followed by intraarticular injection of one ml of piroxicam(felden 20 mg ampules by Global Pharmaceutical Industries, for: Pfizer Egypt )
group 2:This group consists of 6 cases with T.M.J.D,where arthrocentesis will be performed for the affected joints followed by intraarticular injection of one ml. ofmeloxicam opening, assessment of pain, and clicking sound. These measurements were considered to be the base-line values.
Patients who met the criteria of selection were prepared to undergo arthrocentesis procedure under complete aseptic precautions. After complete lavage of the joint, Patients were divided randomly into two equal groups:
group 1:This group consistsof 6 cases withT.M.J.D, where arthrocentesis will be performed for the affected joint followed by intraarticular injection of one ml of piroxicam(felden 20 mg ampules by Global Pharmaceutical Industries, for: Pfizer Egypt )
group 2:This group consists of 6 cases with T.M.J.D,where arthrocentesis will be performed for the affected joints followed by intraarticular injection of one ml. ofmeloxicam