Dentures: techniques and materials for final impressions

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9 RCTs were included in this Cochrane review of different final-impression techniques and materials for complete and removable partial dentures. The available evidence for the relative benefits of different denture fabrication techniques and final-impression materials is limited and is of low or very low quality.

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Fissure sealing using flowable composite

Fissure sealant

This review of fissure sealing using flowable composite included 11 studies and suggests retention rates at 1 year may be slightly better than resin-based sealants. However, the findings should be interpreted cautious as the confidence intervals are wide and quality of the studies is limited.

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Orthodontic space closure – en masse or two-step retraction

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8 small studies were included in this review comparing en masse retraction and two-step retraction for orthodontic space closure. While both were effective the en masse/miniscrew combination demonstrated a small statistically significant benefit in terms of incisor retraction and anchorage preservation.

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Computer-engineered complete dentures

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This review of clinical complications associated with computer-engineered complete dentures only identified 5 small studies involving a total of 82 patients providing very limited evidence.

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Orthodontic retainers: impact on periodontal health

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While 24 studies were included in this review of the impact of orthodontic retainers on periodontal health there was a lack of high quality evidence to support any particular retainer on this or a range of other parameters. More well-designed and long terms studies are required.

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Orthodontic retention – little high quality evidence to recommend any one approach to over another

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15 studies involving 1722 patients were included in this Cochrane review update on orthodontic retention. However, there was insufficient high quality evidence to make recommendations on retention procedures.

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Fissure sealants – are self-etch sealants more effective?

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This review looked at whether self-etch adhesive sealants were as effective as traditional acid etching. 5 split-mouth studies were included and they found significantly lower failure rates in the acid etch group. Odds ratio 4.46 (95% CI 1.31, 15.20).

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To deliver quality primary care, GPs should analyse their clinical case-mix, says Health Education England

Three heads and lots of cogs

This post looks at the Health Education England report, The future of primary care, which is about recruitment and training in primary care.

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EDTA conditioning improved cervical restoration retention

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This trial involving 48 patients found that EDTA conditioning improved the retention of restoration in non-carious cervical lesions at 18 months.

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