Tooth whitening products (TWP) containing hydrogen peroxide (HPO) or carbamide peroxide (CPO) were evaluated in relation to potential oral cancer risk from their use. HPO is genotoxic in vitro, but such activity is not expressed in vivo. The genotoxic risk of HPO exposure of the oral mucosa encountered from TWP use is likely therefore to be vanishingly small. Available animal data on the carcin...

Ornament displays seen in animals convey information about genetic quality, developmental history and current disease state to both prospective sexual partners and potential rivals. In this context, showing of teeth through smiles etc is a characteristic feature of human social interaction. Tooth development is influenced by genetic and environmental factors. Adult teeth record environmental an...

OBJECTIVE This study evaluated the influence of coffee, tea, cola, and red wine staining on the color of teeth after home bleaching. MATERIALS AND METHODS A total of 45 samples were obtained from 45 sound maxillary central incisors. The home bleaching procedure was performed using 10% carbamide peroxide gel applied to the sample surface for a period of 6 h each day, for 14 days. After bleachi...

BACKGROUND There is little data regarding the effect of tooth whitening on microhardness of white spot lesions. This study was conducted to investigate the effect of home-bleaching and laser-assisted in-office bleaching on microhardness of demineralized enamel. MATERIAL AND METHODS Forty bovine incisors were selected and immersed in a demineralizing solution for 12 weeks to induce white spot ...

INTRODUCTION The US Public Health Service calls for health professionals to provide tobacco dependence counseling for patients. The purpose of this study was to understand how dental hygiene programs make decisions about and provide training for tobacco dependence counseling to help them graduate more fully competent hygienists. METHODS We conducted interviews (N = 32) with mainly program and...

Dentifrice was originally used to promote oral hygiene by cleaning teeth. However, with advances in product formulation, it has become a valuable vehicle for the delivery of agents offering health and cosmetic benefits. Stannous fluoride, introduced in 1955 in dentifrice, is one of the longest established of such agents. The well-known anti-caries efficacy of stannous fluoride is based on its i...

Imitation of smile aesthetics and analysis, is an initial step for dental bleaching, hence it significant that the dentist/dental hygienist identifies how to analyze root causes color change specify whitening before suggesting suitable procedure. With high-tech advancement, bleaching techniques have arose assist its use provide comfort, safety reduction in time, performance technique. The conse...

Objective: To review the literature on ozone therapy in oral health, as assessed by different clinical and bacteriological parameters. Material and methods: A PubMed literature search was made using the key words “ozone dental”, and establishing as limits “randomized controlled trial” and “dental journal”. Thirteen articles were identified, with access to only 6 of them. Results: Four studies u...