Orofacial trauma in wheeled non-motorsports

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This review of the prevalence of orofacial trauma in wheeled non-motor sports athletes included 5 cross-sectional studies involving 132,132 participants. Analyses showed the overall prevalence of orofacial trauma = 21.7% (95%CI; 8.7 to 34.7%) however the evidence was of very low certainty.

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Alveolar ridge preservation techniques

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16 RCTs were included in this Cochrane review update of the effectiveness of techniques for alveolar ridge preservation (ARP) following dental extractions prior to implant placement. The findings suggest that ARP techniques may minimise the overall changes in residual ridge height and width six months after extraction, but the evidence is very uncertain

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Dentigerous cysts and tooth eruption

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This review of factors influencing eruption of teeth associated with dentigerous cysts only included 4 small single-centre retrospective studies providing very low certainty evidence.

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Osteoradionecrosis incidence and the timing of dental extractions

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This review of whether the incidence of osteoradionecrosis differed between patients who have dental extractions before or after radiotherapy (RT) included 24 studies (19 retrospective 5 prospective). While the findings suggest that the incidence is similar if extractions are undertaken before or after RT the quality of the evidence is limited.

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Facial trauma in motorcyclists and helmet use

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This review of whether helmet use and the type of helmet reduce facial fractures in motorcycle accidents included • 26 cross-sectional studies involving 68,594 patients. The findings suggest fewer upper and mid-face fracture in helment wearers.

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Metastasis to the oral and maxillofacial region

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This review of metastasis to the oral and maxillofacial region included 217 studies (190 case reports,24 case series ). Metastasis were uncommon, but identified from 29 primary sites, the most common sites being lung the lungs (20.97%), breast (12.06%) and kidney (11.78%).

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Osteoradionecrosis and denture use in head and neck cancer patients

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This review assessing the evidence of the impact of replacing missing teeth with dentures on the development of osteoradionecrosis in patients who have radiotherapy for head and neck cancer only identified 3 case-controlled studies of very low quality.

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Third molars: Which local anaesthetic is most suitable for inferior alveolar nerve blocks?

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This review comparing the efficacy and safety of currently available local anaesthetics for lower third molar extraction included 24 RCTs. The findings suggest that 4% articaine was the most effective and lidocaine the safest.

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Third molars: Which surgical technique for removal?

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This Cochrane review upate compares the relative benefits and risks of different techniques for surgical removal of mandibular wisdom teeth. While the review includes 25 new trials the quality of the studies was variable with many having biases that could have influenced the findings so no meaningful conclusions could be drawn.

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MRONJ: Medication-related osteonecrosis of the jaw management strategies

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15 systematic reviews were included in this review of teh treament and management of medication-related osteonecrosis of the jaw (MRONJ). The reviews only identified weak evidence to support treatment protocols for MRONJ so high quality well reported RCTs are needed.

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