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نموذج للملخصات البحثية إنجليزي: 1مرفق Title Dental assessment of the orthodontic treatment outcome utilizing the PAR Index Author-s Khalid M. Al-Balkhi, Nabeel H. Al-Marzooq and Fouad S. Salama Contact lnfo [email protected], Telephone # 77407 Department Pediatric Dentistry and Orthodontics (POS) Major Orthodontics citation Egyptian Dental Journal; 47(2.2): 1027 Year of Publication 2001 Publisher Egyptian Dental Association Sponsor King Saud University Type of Publication Article in Scientific Periodical Specialized Journal ISSN 0070-9484 URI/DOI http://www.eda-egypt.org/index.php?q=node/798 Full Text (Yes,No) No Key words Dental assessment; orthodontic treatment; PAR index Abstract The purpose of this retrospective study was to evaluate the dental changes of orthodontic treatment result in a group of Saudi patients using the Peer Assessment Rating Index (PAR index). The sample of the present study consisted of thirty-five cases, (11 males and 24 females, of which 19 were Angle Class I, 14 Class II and 2 Class III). These cases were selected from the records of 137 patients treated in the Orthodontics division - College of Dentistry, King Saud University. Complete pre- and post-treatment records (models) were studied. The PAR index was applied to assess the changes that occurred in the dental models. Result showed a mean reduction in weighted PAR index percentage of 87.2%. It was concluded that the PAR index is valid and reliable and a high standard orthodontic treatment was achieved with great improvement in the alignment and occlusion of the upper and lower arches.