Dental imaging methods for early caries detection and diagnosis

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This Cochrane review of the diagnostic accuracy of different dental imaging methods for early enamel lesions included 104 datasets from 77 studies. Low-certainty evidence suggests that imaging for the detection or diagnosis of early tooth decay may result in a relatively high proportion of false-negative results.

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Tobacco cessation delivered by dental professionals

These are promising findings, but we are some way from being able to recommend specific interventions to help people stick with their smoking cessation medication.

This review of tobacco cessation interventions offered by dental professionals included 20 clinical trials. Advice and support form dental professionals that involved NRT or e-cigarettes was more likely to help patients stop smoking

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Light-based tests for early caries detection

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This Cochrane review aimed to estimate the diagnostic test accuracy of different illumination tests for the detection and diagnosis of enamel caries in children or adults. 24 datasets from 23 studies were included with optical coherence tomography showing the most potential but more research is needed.

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Oral hygiene for critically ill patients

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This Cochrane review updated assessing the impact of oral health measures on the incidence of ventilator associated pneumonia (VAP) in critically ill patients receiving mechanical ventilation in intensive care includes 40 RCTs and suggests that Chlorhexidine mouthwash or gel, as part of oral health measures, probably reduces the incidence of developing VAP.

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Periodontitis: Systemic antimicrobials as an adjunct to non-surgical treatment

Periodontal disease
Periodontitis

This Cochrane review of the effects of systemic antimicrobials as an adjunct to scaling and root planing (SRP) for the non-surgical treatment of patients with periodontitis identified 45 RCTs. However the evidence is of very low certainty to inform tclinicians and patients if adjunctive antibiotics are beneficial.

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Caries prevention in children: Fluoride varnishes or sealants?

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11 RCTs were included in this Cochrane review which looked at the relative effectiveness of fissure sealants compared with fluoride varnishes for the prevention of caries in the occlusal surfaces of permanent teeth.

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Dental check-ups: How often should you go?

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This Cochrane review update of the optimal recall interval of dental check-up for oral health in a primary care setting included 2 RCTs. The findings show little to no difference between six‐monthly and risk‐based check‐ups in tooth decay, gum disease and quality of life after four years.

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Aerosol generating procedures: minimising production during dental procedures

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This Cochrane rapid review of the effectiveness of methods used during dental treatment procedures to minimize aerosol production and reduce or neutralize contamination in aerosols. While the studies suggest a reduction in the levels of bacterial contamination the quality of the studies means the evidence is of low certainty.

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Third molars: Remove or retain asymptomatic disease-free impacted teeth?

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This Cochrane review of the effects of removal compared with retention (conservative management) of asymptomatic disease-free impacted wisdom teeth updates the 2016 version. No new studies were identified so the conclusions are unchanged.

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Osteoradionecrosis of the jaws: Prevention in adult patients with head and neck cancer

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This Cochrane review of interventions for preventing osteoradionecrosis of the jaws in adults with head and neck cancer undergoing curative or adjuvant (i.e. non-palliative) radiotherapy included 4 RCTs. The limited quality of the available studies means evidence regarding the interventions evaluated in this review is uncertain.

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