Tooth whitening with home-based bleaching products

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This Cochrane review update of the effects of home-based tooth whitening products dispensed by a dentist or over-the-counter included 71 RCTs. However, most of thetrials were small single studies of interventions of highly variable nature providing very low-certainty evidence over short time periods to support the effectiveness of home-based chemically-induced whitening.

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Xylitol in toothpaste may provide small additional benefit over fluoride toothpastes

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This Cochrane review included 10 studies and found low quality evidence that fluoride toothpaste containing xylitol may be more effective than fluoride-only toothpaste for preventing caries in the permanent teeth. The evidence for other xylitol products is insufficient to assess effectiveness.

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Xylitol gum reduced mutans streptococci transmission

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This review identified 5 trials reported in 11 publications and found that the chewing of xylitol gum by mothers significantly reduced transmission of mutans streptococci to their children. However the effects on caries were inconsistent.

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Weak evidence for positive effect of medicated sugar-free chewing gum on plaque indices

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A recent review conducted by the same group as this new review (see Dental Elf 9th July 2012) suggested that the use of sugar free chewing gum used as an adjunct to toothbrushing provided a small but significant reduction in plaque scores.  The aim of this review was to assess the clinical effects of medicated, [read the full story…]

Weak evidence shows small effect of sugar-free chewing gum on plaque

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Chewing gum is a activity enjoyed my consumers (particularly teenagers) around the world and is a now multi-billion dollar industry. Historically gums were flavoured with sugar but increasingly sugar substitutes are used, the most common of these being the polyols, sorbitol and xylitol. Chewing stimulates salivary flow and using gum has been recommended when it [read the full story…]

Nicotine replacement gum found to improve tooth staining caused by smoking

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In addition  to being a risk factor for mouth cancer and periodontal disease, smoking is associated with staining of the teeth.  Nicotine replacement therapy (NRT) is widely used to assist patients quit smoking.  In vitro tests of NRT gum have suggested that they may have stain reduction effects.  A product which not only assists smokers [read the full story…]

Use of sugar free gum may have potential benefits for oral health of older people

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The aim of this study was to determine the effects of sugar-free chewing gum on the oral health and quality of life of dentate older people living in the community and attending for routine dental care. What did they do Participants aged 60 years and over with a minimum of 6 natural teeth living independently [read the full story…]