Evidence-based dentistry
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Cochrane Oral Health Group Trials Register, the Cochrane Central Register of Controlled Trials (CENTRAL), Medline, Embase, CINAHL, Web of Science Conference Proceedings, Proquest Dissertations and Theses, US National Institutes of Health Trials Register (http://clinicaltrials.gov) and the WHO Clinical Trials Registry Platform for ongoing trials. No language or year restrictions were used. ⋯ Low quality evidence suggested that fluoride toothpaste containing xylitol may be more effective than fluoride-only toothpaste for preventing caries in the permanent teeth of children. The effect estimate should be interpreted with caution due to high risk of bias and the fact that it was derived from two studies that were carried out by the same authors in the same population. The remaining evidence was low to very low quality and is insufficient to determine whether any other xylitol-containing products can prevent caries in infants, older children or adults.
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Electronic searches without time or language restrictions were performed in PubMed, Web of Science and the Cochrane Oral Health Group trials Register. A vast manual search was done in many dental implant-related journals. Reference lists were scanned for possible additional studies. Ongoing clinical trials were also searched. ⋯ The evidence from the review suggests that a prophylactic antibiotic regimen reduces failure of dental implants placed under ordinary conditions. However, there are no apparent differences in the occurrence of post-operative infections in patients receiving or not receiving antibiotics.The results have to be interpreted with caution due to the presence of several cofounding factors in the studies.
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Cochrane Oral Health Groups Trial Register, Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE via OVID and EMBASE via OVID. Databases were searched with no language or date restrictions. ⋯ There is statistically significant evidence suggesting that a single dose of 2 g or 3 g of amoxicillin given orally is beneficial in reducing dental implant failure in ordinary conditions. No significant adverse events were reported. It is still unknown whether post-operative antibiotics are beneficial and which antibiotic is more effective.