Ambrose E Obiechina

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OBJECTIVE To establish the incidence of odontogenic tumours in Nigeria we present our experience during the 15-year period 1980-94. DESIGN Retrospective review of histopathological specimens and case notes. SETTING Teaching hospital, Nigeria. SUBJECTS 128 Patients with histologically confirmed odontogenic tumours out of a total of 415 with tumours of(More)
This study was conducted in three centres. 717 impacted mandibular third molars were extracted from 517 patients. 69.1% of the extractions were in patients aged 25 years and below. A total of 96.1% extractions were done under local anaesthesia while 3.9% were under general anaesthesia. The lingual bone split technique was used in 2.5% extractions while the(More)
PURPOSE The aim of this review was to identify the most important variables that determine surgical difficulty of impacted third molar extractions by their consistent showing in previous studies. MATERIALS AND METHODS Electronic library search for current evidence in the world literature was conducted, and relevant articles were selected, scrutinized, and(More)
OBJECTIVE To determine the relative frequency and histopathologic pattern of odontogenic cysts in a Nigerian population. DESIGN Retrospective study of case notes and histologic reports and slides. SETTING Teaching Hospital Ibadan, Nigeria. SUBJECTS Seven hundred and fifteen patients seen between 1982 and 1996 with histologically confirmed oral(More)
PURPOSE The study purpose was to assess the changes in the pattern of maxillofacial fractures in 2 different study periods. PATIENTS AND METHODS We conducted retrospective study of 341 patients treated for maxillofacial fractures between January 1978 and December 1982 and a prospective study of 483 patients treated between January 1995 and December 1999(More)
PURPOSE To analyze the outcome of the formative feedback and summative assessment in 2 different groups of dentists after a postgraduate dental implant course. This course was conducted with the hope of developing a systematic approach to implant dentistry training. METHODS A 6-day mini-residency postgraduate dental implant course which was approved for(More)
Twenty patients consisting of 14 males and 6 females with benign destructive lesions of the mandible were reconstructed using free nonvascularised iliac crest. Harvested bone was contoured and secured with 0.5 mm stainless steel wire and reinforced with maxillo-mandibular fixation. Five patients has hemimandibulectomy with immediate reconstruction. The(More)
We reviewed eight patients with necrotizing fasciitis of odontogenic origin. There were three women and five men, mean age 58 (range 46-72), and none had any associated medical condition such as diabetes. All cases had symptoms of toothache for a mean duration of 34 days (range 26-42) before they sought treatment. Infection originated in the molar teeth(More)
CONTEXT Reconstruction of mandibular defect is a challenge to the head and neck surgeon because of associated functional and esthetic problems. Our experience with the use of nonvascularized iliac crest bone graft is hereby reported. AIM The aim was to report our experience with the use of nonvascularized iliac crest bone for mandibular defect(More)
A two and half years old girl presented with severe limitation of mouth opening, facial asymmetry, inability to masticate, and proclination of the anterior maxillary and mandibular teeth. There was no history of facial trauma, infection or neonatal fevers. A diagnosis of bony ankylosis of the TMJ was made following a confirmation of delivery by means of(More)