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Highlights Osteoid osteoma is a benign bone neoplasm, with significant nocturnal pain that responds to NSAIDs. A case of an intra-articular osteoid osteoma involving the articular eminence and glenoid fossa of TMJ in a 46-years-old female is reported. CT scan imaging is helpful in displaying the typical radiographic features and localization of the lesion.

Autogenous bone graft is the gold standard for maxillofacial reconstruction. Although there are many donor sites, the ilium is favored. Open iliac bone harvesting techniques can result in significant complications, which are to be reduced; a minimally invasive technique using trephine burs was used. The aim of the study was to evaluate the intra- and postoperative complications, the size of bone harvested, and the time of the procedure. Eighteen consecutive patients were conducted. The trephine bur makes holes of 10 mm diameter in the iliac crest from which a bone graft can be harvested. No major long-term morbidity was found; all patients were discharged on the first postoperative day. The trephine technique is generally a safe procedure, can provide enough corticocancellous bone for osseous defects in maxillofacial region up to 10 cc. In addition to that, the technique is easy to learn and allows early discharge of patients from the hospital.

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Orofacial infections are considered as one of most common infections and need rapid and adequate treatment as they affect a very delicate region and are associated with serious life-threatening complications. Orofacial infections can be either odontogenic that is with an origin in teeth and associated structures or non-odontogenic, not associated with teeth, can affect facial spaces and spread from one space to another, so a good knowledge about diagnosis and treating these infections is of utmost importance, and can include both non-surgical and surgical treatment. The aim of our study was to determine the most common cause of orofacial infections, the most common bacterial microorganisms and their antibiotic susceptibility. Materials and Methods: A descriptive study was undertaken in the Department of Oral and Maxillofacial Surgery, Al-Shaheed Ghazi Al-Hariry Hospital, Baghdad, Iraq from 1 st January to 30 th September 2015. This study included 45 patients with different forms of orofacial infections; data regarding age, gender, underlying cause, facial space involvement, presenting signs were collected through history, clinical examination and radiographs, incision and drainage with swab sample for culture and sensitivity test was performed. Results: Patients with orofacial infections showed a female to male ratio of 1.25:1. The mean age was 32.8 years. Most of the patients were in their 4 th decade of life (27%). Most infections were odontogenic in origin (62%), the most common facial space involved was submandibular (65%), the most common isolated microorganism was Streptococcus pyogenes (59%), and most patients were treated using an extra-oral surgical approach (78%). Antibiotics to which bacterial isolated showed the most sensitivity were netilmicin, cefoperazone and rifampicin (91%). Pain and limitation of mouth opening gradually decreased in most of patients during the two weeks follow up period. Conclusion: Orofacial infections were more common in females, in the third and fourth decade of life, were odontogenic in origin, were mostly caused by Streptococcus pyogenes, and most isolates were susceptible to netilmicin, cefoperazone and rifampicin. Pain and trismus decreased over two weeks post-treatment.