Objective: The present study aimed to reveal the effects of submucosal injection of Plasma Rich Platelets (PRP) on the rate of canine retraction.           Methods: Eighteen females with bimaxillary protrusion were selected from patients seeking orthodontic treatment, College of the Dentistry/University of Sulaimani, whose maxillary and mandibular first premolars were decided to be extracted after proper diagnosis. It’s a split-mouth design; the upper left side was the control side while the upper right side served as the intervention side (submucosal injection of PRP); after aligning and leveling, the retraction phase was initiated on .017× .025 Stainless steel archwire with power chain from the canine bracket to temporary anchorage device inserted between the upper 2nd premolar and 1st molar at the same level for both sides. The elastomeric chains were changed every two weeks. Scanned intraoral images were obtained by intra- oral CEREC omnicam scanner before retraction and at the end of retraction to measure the amount of canine movement using inLab CAM 15.0 software 2015. Results: A highly significant acceleration of canine retraction on the intervention side compared with the control side at p <.0001 with a rate of 29.1% higher overall retraction phase (108 days).   Conclusions: Submucosal injection of PRP is a minimally-invasive and low-cost method that can be used for accelerating orthodontic tooth movement.

Objectives: The aim of the study: The objective of this study is to evaluate the patient’s satisfaction with orthodontic treatment for a sample of orthodontic patients treated in Sulaimani city and identify the possible factors that may affect the satisfaction with their dentition and profile after treatment. Material and Methods: This is a retrospective study where 581 patients had consecutively completed active orthodontic treatment in Sulaimani Governorate, those patients were asked to complete self-administered questionnaires, only 500 patients were included (178 males and 322 females; mean age, 25.5; standard deviation [SD], 9.5. All the patients were treated with full fixed appliances, some in combination with removable and functional appliances. (57.2%) were very satisfied with the orthodontist, (33.8%) were very satisfied with improvement in the facial appearance, 80.8% were very satisfied with improvement in alignment of teeth, 24.8% were very satisfied with improvement in chewing, 43% were very satisfied with improvement in cleaning, 24 4.8% were very satisfied with the color of the teeth, 29% were very satisfied with the speech quality, 32.4% were very satisfied with the total treatment time, 39.8% were very satisfied with the number of visits per month, 8.4% were very satisfied with time that one appointment lasts, 1.4% were very satisfied with waiting time at each appointment, 21.8% were very satisfied with the service of orthodontic staff in clinic or hospital. Conclusions: Personality and satisfaction were correlated, but no correlation was found between gender and patient satisfaction. Also, patients with high neuroticism scores who treated orthodontically were linked with lower levels of satisfaction with the dentition. Beside satisfaction with oral comfort, general performance, eating capacities, and pain dimensions during orthodontic treatment had definitive effects on total satisfaction. On the other side, most of them were unsatisfied with waiting for each appointment.