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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Endodontic pain can be managed with non-steroidal anti-inflammatory drugs

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This review of the use of non-steroidal anti-inflammatory drugs (NSAIDs) for the management of post endodontic pain demonstrates that they do help to manage the pain.

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Post-endodontic pain: is it lower with rotary or reciprocating instruments?

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This review of the effect of rotary or reciprocating instruments on post-endodontic pain included 3 RCTs involving 1317 patients. There is limited evidence of any clear difference between the two techniques.

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Temporomandibular lavage for temporomandibular disorders

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This review of TMJ lavage for temporomandibular disorders only included 5 small RCTs a majority of which were at high risk of bias. While the findings suggest a benefit from lavage this should be interpreted cautiously because of the limited quality of the available evidence.

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Anxiety and pain during dental treatment

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35 studies investigating 47 clinical groups were included in this review of the association between dental anxiety and pain during dental treatment. The findings suggest a consistent impact on pain through the entire period of dental treatment.

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Third molar removal: conventional or piezoelectric device for osteotomy?

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Fifteen studies (5 RCTs) were included in this review of piezoelectric surgery for third molar removal. The findings suggest better outcomes with piezoelectric surgery however the limited quality of the available evidence means that the findings should be viewed with caution.

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Pain during orthodontic treatment: non-pharmacological interventions

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14 trials were included in this Cochrane review of non-pharmacological interventions for orthodontic pain. The findings were inconclusive although there is some evidence that low-level laser therapy may help.

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Cryotherapy to reduce pain and swelling after facial surgery

Bariatric surgery and marked weight loss is likely to improve knee complaints but there is a need for high quality studies

This review of postoperative hilothrarpy (cryotherapy) in facial surgery included 6 RCTs none of which were at low risk of bias. The findings suggest that it reduces swelling and pain in the early postoperative period. However more high quality studies from a broader range of researches are needed to confirm the findings.

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Chronic pain and depression: genetic and environmental risks

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Marcus Munafo explores a recent study that uses genetic data and family environmental information to quantify the risk of chronic pain and the contribution of risk variants for major depressive disorder.

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Lasers for caries removal: evidence insufficient to support their use

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This Cochrane review included 9 small RCTs with either a high or unclear risk of bias providing evidence that was insufficient to support the use of laser as an alternative to the drill for caries removal.

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