Incidence And Pattern Of Mandible Fractures In Aau Affiliated Hospitals (yekatit 12 Hosptial Medical College And St.peters Specialized Hospital) Addis Ababa Ethiopia.

Objectives: The objective of this study was to assess the incidence and pattern of mandiblernfractures in AAU affiliated hospitals in Addis Ababa, Ethiopia over a retrospective period of 3rnyears from January 2017 to December 2019 G C.rnMethodology: Retrospective review of pat ient’s records was conducted among those patientsrnwho visited AAU affiliated hospitals having mandibular fractures. The study was conductedrnfrom November, 2019 to August, 2020. The patients chart with incomplete information and thosernwhich are absent from shelf were excluded from the study. The data was entered, cleaned andrnanalyzed using Epi info data version 7.0 Software. Descriptive analysis was computed asrnfrequency of fractures, distribution of age, gender, etiology, diagnosis, and anatomical sites ofrnmandibular fractures.rnResults: A total of 247 patients who were retrospectively evaluated at Yekatit 12 HMC andrnSt.Peter’s specialized hospital between January 2017 and December 2019 sustained 343rnmandibular fractures (mean of 1.4, range 1-3). The incidence of mandibular fracture was higherrnin male patients (83%) than in females (17%) (Male: Female ratio 5:1), and the peak incidencernwas during the third decade for both genders. The most common site of fracture was the bodyrn(26.53%), followed by the angle (23.9%), and parasymphysis (19.82%). Overall, interpersonalrnviolence (46.15%) was the most common cause followed by RTA (27.53%). In male patients, thernmost common cause was interpersonal violence (50%); in females it was a RTA (34.14%). Thernanatomical sites of fracture reflected their cause. A total of (n=76, 30.76%) patients sustainedrnother non-maxillofacial injuries of which head injury (n=58, 23.48%) is the most common. rnConclusions: The most common cause of mandibular fracture was interpersonal violence. rnMandibular fractures were more common in males than females with most patients aged 21-30rnyears. The most common fracture site was body of the mandible. The predominant treatmentrnmodality was open reduction and internal fixation (ORIF).

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