Palatally displaced canines: open or closed surgical exposure?

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This updated Cochrane review comparing open v closed surgical approaches for palatally displaced canines includes 3 studies involving 146 patients with the available evidence suggesting that neither surgical technique for exposing canine teeth is superior.

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Tooth socket preservation using autologous platelet concentrates

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33 studies were included in this review of the effectiveness of autologous platelet concentrates (APCs) in the preservation of fresh extraction sockets. The studies were mainly small and of less than 6 months duration suggesting a positive effect.

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Chlorhexidine gels and rinses reduce dry socket after third molar extraction

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This review of the effectiveness of chlorhexidine for prevention of dry socket after third molar removal includes 18 RCTs. The finding suggest a 47% (95%CI,38-55) reduction in cases following its use.

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Autotransplantation of permanent teeth with an open apex

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21 methodologically weak studies were included in this review of autotransplantation of permanent teeth with open apex. The findings suggest good survival and success rates however the limited quality of the studies mean the findings should be interpreted with caution.

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Maxillary sinus lift surgery: does grafting improve outcomes?

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This review of maxillary sinus lift procedures prior to implant placement included 16 observational studies. The studies suggest no difference in outcomes with or without the use of graft material.

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Anticoagulant therapy and dental extractions

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This review the bleeding risk of patients continuing or discontinuing oral anticoagulant therapy found no increase bleeding risk in those continuing anticoagulant therapy.

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Palatal injections for maxillary extractions: are they needed?

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This review of the use of palatal injections for maxillary extractions included 15 studies. While the findings suggest that they may not be needed further high quality studies are needed to confirm the findings.

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Impacted canines – insufficient evidence for best surgical approach for good periodontal outcomes

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This review of surgical approaches for the management of labially impacted canines only identified 3 small studies at high risk of bias. These provide insufficient evidence to determine the best approach.

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Periapical surgery – improved outcomes with regenerative techniques?

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Eight small studies were identified for this review of the use of regenerative techniques as an adjunct to periapical surgery. The findings suggest that they improve outcomes after 1 year, but they should be interpreted with caution.

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Prevalence of third molar impaction worldwide

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The worldwide prevalence of third molar impaction estimated from this review including 49 studies involving 83,484 individuals was 24.4% (95% CI;18.97% to 30.80%).

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