International journal of oral and maxillofacial surgery
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Int J Oral Maxillofac Surg · Jun 2002
Ultrasound-guided surgical drainage of face and neck abscesses.
An ultrasound-guided surgical drainage technique in which grey-scale and colour Doppler ultrasonography were combined is described. The technique was performed for eight deep subcutaneous abscesses subsequent to odontogenic infection, and provided easy detection and accurate, reliable penetration of abscesses that were difficult to locate by physical examination. Colour Doppler ultrasonography is particularly useful for differentiating blood vessels from the static space of abscesses.
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We present data on the incidence, aetiology, age, sex and ethnic distribution of facial fractures in New Zealand for the 20-year period from 1979-1998. Most facial fractures (78.9%) occurred in males with a rate of 65.5/100,000, person-years compared with 21% in females with an incidence of 17/100,000. ⋯ The most common causes of facial fracture in both genders were assault (14/100,000) and being unintentionally struck by an object or person (9.5/100,000) which is consistent with similar data from South Africa and the USA. The rates of fracture in Maori (68.1/100,000) were approximately twice those of Pacific Islanders (37/100,000) or other ethnic groups (34.2/100,000).
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Even though numerous reports on maxillofacial trauma exist, only a few give detailed information about work-related maxillofacial injuries. The purpose of this study was to reveal the significance of maxillofacial injuries related to accidents occurring at work by evaluating a large number of patients with maxillofacial injuries over a 9-year period. Out of the 8704 trauma patients treated between 1991 and 1999 in the Department of Oral and Maxillofacial Surgery at the University of Innsbruck, Austria, 463 (5.4%) were injured at work. ⋯ One-fifth (20.7%) of all patients displayed concomitant injuries with cerebral and cranial trauma being the most common. The probability of sustaining maxillofacial trauma at work is correlated to the nature of the occupation. Individuals (mostly men) using tools or machines at work are exposed to a much higher risk of work-related maxillofacial trauma.
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Int J Oral Maxillofac Surg · Dec 2001
Comment Randomized Controlled Trial Comparative Study Clinical TrialAn evaluation of complications following dental extractions using either sterile or clean gloves.
This randomized prospective study aims to evaluate any differences in the postoperative infection rate from dental extraction using either sterile or clean surgical gloves and to determine any predisposing factors that may complicate socket healing. A total of 609 patients were randomly assigned to two groups, with the operators wearing either sterile or clean gloves in performing forcep extractions. 551 patients, who had 811 extractions performed, returned for the postoperative assessment visit. ⋯ On the pain intensity level, an acutely inflamed socket caused mild to moderate pain, on acutely infected socket caused moderate to severe pain; and a dry socket caused severe pain in the majority of cases. The study concluded that the use of sterile surgical gloves does not offer an advantage over clean gloves in minimizing socket inflammation, infection, as well as a dry socket following dental extraction.
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Int J Oral Maxillofac Surg · Oct 2001
Case ReportsWooden foreign bodies in facial injury: a radiological pitfall.
Foreign bodies can present a diagnostic challenge to the maxillofacial surgeon. Three patients, who suffered from a penetrating injury with a wooden foreign body, were examined and treated. Their preoperative CT and MRI scans were evaluated. ⋯ Its attenuation value increases with time as water is absorbed from the surrounding tissues. Although the radiological appearance may show a great variety, CT imaging is the basic diagnostic technique. MRI is the method of second choice.