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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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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Orthodontic extractions and third molar angulation

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This review of the effect of orthodontic extractions on the angulation of third molars included only 14 retrospective studies. This provides very low quality evidence of any effect

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Root canal treatment: single or multiple visits?

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This Cochrane review update included 25 RCTs comparing single verses multiple root canal treatment approaches. They found no evidence to suggest that one treatment regimen is better than the other.

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Molar-incisor hypomineralisation

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This review of molar-incisor hypomineralisation management only included 14 limited quality and mainly observations studies.For molars composites, preformed metal crowns or indirect restorations seem suitable but more high quality studies are needed.

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Tooth extraction: factors affecting anxiety and fear

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This review of factors affecting fear and anxiety in adult patients undergoing tooth extraction included 16 studies and identified a number of factors associated with anxiety although there are concerns over the quality of the available studies.

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Third molars: insufficient evidence for removal of impacted asymptomatic disease-free teeth

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This update of an earlier Cochrane review comparing retention or extraction of of asymptomatic disease-free impacted third molars only identified 2 studies of low to very low quality evidence providing insufficient evidence to inform practice.

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Third molar removal: antibiotics reduced risk of dry socket

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This review of antibiotic prophylaxis for the removal of third molars included 22 RCTs and suggest that antibiotic use lowered the infection risk by 60%. The number pf patients needed to treat to prevent one infection was 14 (95%CI;11-19).

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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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Prolonged bleeding after tooth extraction – no evidence on treatment from trials

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This Cochrane review did not identify any randomised controlled trials that evaluated the effects of different interventions for the treatment of post-extraction bleeding. Clinicians must use their clinical experience to determine the most appropriate means of treating this condition, depending on patient-related factors.

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