Primary tooth trauma may be associated with developmental disorders in the permanent successors suggests review

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Trauma to primary teeth is relatively common. As the developing permanent teeth are closely related and trauma to primary teeth could adversely affect the permanent successor. This review looked for studies to assess this relationship. Only 17 low quality studies were identified and while they suggest a relationship the low quality means that the findings should be interpreted with caution.

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Lidocaine: trial suggests that buffering may not improve success of inferior alveolar nerve block

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A 2010 Cochrane review that was not able to include any dental studies did find that buffering lidocaine decreased pain on injection and augmented patient comfort and satisfaction. This new dental trial included 80 patients with symptomatic irreversible pulpitis but found no significant difference with success rates with buffered lidocaine.

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Root caries: review suggests potential benefits from 5000ppm fluoride, chlorhexidine and silver diamine varnishes

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The prevalence of root caries is expected to risk and this review looked at a range of agents for non-invasive management. While 30 studies were identified they consider a large number of agents. While the review suggested that 5000ppm fluoride dentifrice was effective the number of available trials for this and the other agent was small and of limited quality.

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Caries: review suggests complete removal not best approach

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This review of caries excavation strategies identified 28 studies including 19 RCTs. None were considered to be at low risk of bias . The results suggest that not attempting to remove all softened or stainable dentine could reduce the risk of complications

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Caries experience: risk higher in those from lower socioeconomic positions

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This review included 155 observational studies, which although of low quality consistently found caries parameters to be significantly higher in those from lower socioeconomic positions

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Mouthrinses: trial finds alcohol-free rinses have similar effects on plaque levels to those containing alcohol

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This equivalence trial compared two alcohol free mouthrinses with an alcohol containing rinse and toothbrushing alone. At 8 weeks all 4 interventions reduced interproximal bleeding with plaque reductions being significantly greater in the mouthrinse groups. There was more staining in the 3 mouthrinse groups.

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Dental implants: only low quality evidence for implants placed in maxillary tuberosity

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This review looks at dental implants placed in the maxillary tuberosity only 5 low quality studies involving 113 patients were found in total. While good survival rates were found these should be interpreted with caution.

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Direct pulp capping: trial finds good short-term outcome success rate for new material in permanent teeth

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This small study found good short term success rates for a new MTA derived pulp capping material in permanent teeth. Larger well-conducted longer-term studies are necessary to establish its clinical utility.

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Tooth erosion: review suggests an association with eating disorders

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While this new review of observational studies does suggest an increase in tooth erosion in those suffering with eating disorders concerns of the quality of the available evidence means that this is not sufficient to support a causal role for eating disorders in tooth erosion.

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Dental Implants : higher failure rates in patients with aggressive periodontitis?

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Another review of failure rates of dental implants shows increased failure rates in patients with generalised aggressive periodontitis. Six studies (5 from the same research group ) involving 290 patients and 834 implants were included.

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