International journal of oral and maxillofacial surgery
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Int J Oral Maxillofac Surg · Jun 2020
Impact of COVID-19 on maxillofacial surgery practice: a worldwide survey.
The outbreak of coronavirus disease 2019 (COVID-19) is rapidly changing our habits. To date, April 12, 2020, the virus has reached 209 nations, affecting 1.8 million people and causing more than 110,000 deaths. Maxillofacial surgery represents an example of a specialty that has had to adapt to this outbreak, because of the subspecialties of oncology and traumatology. ⋯ To achieve this goal, the authors developed an anonymous questionnaire which was posted on the internet and also sent to maxillofacial surgeons around the globe using membership lists from various subspecialty associations. The questionnaire asked for information about the COVID-19 situation in the respondent's country and in their workplace, and what changes they were facing in their practices in light of the outbreak. The objective was not only to collect and analyse data, but also to highlight what the specialty is facing and how it is handling the situation, in the hope that this information will be useful as a reference in the future, not only for this specialty, but also for others, should COVID-19 or a similar global threat arise again.
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Int J Oral Maxillofac Surg · Oct 2019
Randomized Controlled TrialEvaluation of the efficacy of celecoxib and ibuprofen on postoperative pain, swelling, and mouth opening after surgical removal of impacted third molars: a randomized, controlled clinical trial.
The objective of this study was to compare the efficacy of celecoxib and ibuprofen in reducing postoperative sequelae following the surgical removal of impacted mandibular third molars. Ninety-eight subjects who needed surgical extraction of an impacted mandibular third molar were selected for the study. All subjects were randomly allocated to receive one of the following treatments twice a day for 5days after surgery: placebo (n=32), ibuprofen (n=33), or celecoxib (n=33). ⋯ Furthermore, when compared to the other groups, patients in the celecoxib group showed a significant reduction in postoperative pain scores at 6h (P<0.001), 12h (P=0.011), and 24h (P=0.041) after surgery. Regarding swelling and maximum mouth opening values, there were no significant differences between the groups at each follow-up session. This study demonstrated that treatment with celecoxib decreased the incidence and severity of postoperative pain following third molar surgery compared to ibuprofen and placebo.
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Int J Oral Maxillofac Surg · Jan 2019
Intraoperative augmented reality with heads-up displays in maxillofacial surgery: a systematic review of the literature and a classification of relevant technologies.
Although the term augmented reality appears increasingly in published studies, the real-time, image-guided (so-called 'hands-free' and 'heads-up') surgery techniques are often confused with other virtual imaging procedures. A systematic review of the literature was conducted to classify augmented reality applications in the fields of maxillofacial surgery. Publications containing the terms 'augmented reality', 'hybrid reality', and 'surgery' were sought through a search of three medical databases, covering the years 1995-2018. ⋯ Five out of 13 described a method based on a hands-free and heads-up augmented reality approach using smart glasses or a headset combined with tracking. Most of the publications reported a minimum error of less than 1mm between the virtual model and the patient. Augmented reality during surgery may be classified into four categories: heads-up guided surgery (type I) with tracking (Ia) or without tracking (Ib); guided surgery using a semi-transparent screen (type II); guided surgery based on the digital projection of images onto the patient (type III); and guided surgery based on the transfer of digital data to a monitor display (type IV).
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Int J Oral Maxillofac Surg · Dec 2018
Coronectomy of mandibular third molars: a clinical and radiological study of 231 cases with a mean follow-up period of 5.7years.
Coronectomy is a widely accepted treatment for mandibular third molars that are in close relationship to the mandibular canal. However, long-term studies on morbidity following this procedure have not been presented. The aim of this study was to examine the long-term morbidity after coronectomy, with sensory disturbances of the inferior alveolar nerve (IAN) and root migration as the primary outcome variables. ⋯ Infections occurred in 11.7% of the cases and all were treated with antibiotics. Overall, 97% of the retained roots showed signs of migration and 65% showed signs of rotation. Therefore, coronectomy of the mandibular third molars with an intimate relationship to the mandibular canal seems to be a safe treatment modality with a good long-term prognosis.
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Int J Oral Maxillofac Surg · Dec 2018
Determinants of level Ib involvement in oral squamous cell carcinoma and implications for submandibular gland-sparing neck dissection.
Traditional neck dissection for oral squamous cell carcinoma (OSCC) involves removal of the submandibular salivary gland. Several studies have cited the low incidence of direct gland invasion by tumours and have recommended gland-sparing neck dissection. In this study, a detailed audit of level Ib involvement in OSCC was performed in order to assess the feasibility of submandibular gland-sparing in neck dissection; the rate of direct involvement by the primary tumours, the involvement of periglandular level Ib nodes, and their determinants were investigated. ⋯ Determinants of periglandular lymphadenopathy were depth of invasion >10mm (P<0.001), perineural invasion (P=0.02), lymphovascular invasion (P=0.014), and moderate/poor differentiation (P<0.0001). Gland-sparing neck dissection is safe in early tumours (pT1pN0-1), with a good chance of minimizing xerostomia without radiotherapy. Larger tumours without clear evidence of submandibular gland invasion or suspicious level Ib lymphadenopathy may be considered for gland preservation, however the oncological safety is unclear.