Mandible fractures have a special place within the injuries of the other bones of the maxillofacial system. In their management, cosmetic issues and functional aspects such as chewing, speaking, and swallowing become very important.In this study, a retrospective analysis of 419 mandible fractures in 283 patients was performed in relation to epidemiologic factors, treatment strategies, and complications. The average age was 32.14 years (4–69 years). The male/female ratio was 4/1. The most frequent etiologic factor was interpersonal violence (104 patients, 36.7%). The parasymphysis region was the mostly affected site (28.4%). A total of 157 patients (55.5%) were presented with single fracture and the rest with 2, 3, or 4 fracture lines on the mandible. The most common fracture combination was angulus–parasymphysis fracture combination (24.6%). Open reduction and fixation with mini plates and screws was the most preferred treatment strategy (48.2%). Transient short arch bars were not used intraoperatively for any of the patients. There was not any difference in terms of complications between the patients treated with plating systems and plating systems plus intermaxillary fixation.In conclusion, proper treatment of mandible fractures is critical. Except certain fracture types, the usage of intermaxillary fixation as an adjunct to fixation with plating systems is not necessary.
Wound healing is a complex process that necessitates organization of different cell types and several signalling molecules. The aim of this study is to evaluate the effect of different concentrations of sildenafil citrate, which decreases cGMP degradation, on wound healing by secondary intention.This study was performed using 25 Sprague Dawley rats weighing 200-250 grams. 4 dorsal defects were created. Four different treatment modalities which were 1% and 5% sildenafil citrate gel prepared with carbopol, pure carbopol gel without any drug in it and 0,9% NaCl solution; were applied to each lesion of the same rat. Randomly selected five rats (25 rats in total) were sacrificed on 3rd, 5th, 7th, 10th, and 14th days; and the effect of each modality was evaluated by means of defect area measurement, histopathological examination and measurement of tissue hydroxyproline levels.Sildenafil citrate gel application decreased the defect areas in a dose independent manner starting from 3rd day and dose dependent manner after 7th day. By means of vascularization, sildenafil citrate increased vascularity starting from 3rd day. The strength of acute inflammation was superior in sildenafil groups starting from 5th day; and the amount and maturation of granulation in the wound bed, as well as the strength of chronic inflammation were superior in defects treated with sildenafil citrate as early as 7th day.
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