The colour of teeth is of considerable importance to the general population and the social and psychological impact of tooth discolouration is becoming increasingly less tolerated. A plethora of tooth-whitening systems (both for professional use and for use in the home) are now available and methods to assess the efficacy of such systems are required. In this paper an imaging system is describe...

in 1989 significantly contributed to the growth of aesthetic dentistry. Tooth whitening is a painless procedure that does not require the administration of anesthesia, thus encouraging patients to seek additional aesthetic treatment. Moreover, the noticeable color change observed following whitening procedures may motivate patients to seek further aesthetic treatments (eg, porcelain or resin bo...

We investigated color change, gingival irritation, and tooth sensitivity in patients undergoing at-home vital tooth bleaching with a novel over-the-counter bleaching tray system. Tooth color shade in anterior teeth, supragingival plaque and gingivitis in Ramfjord teeth, as well as visual assessment of teeth gingival tissues and mucosa were evaluated in-office prior to treatment, after two conse...

This three-month, single-blind clinical study compared two whitening treatments, at-home with 10% carbamide peroxide and in-office with 35% hydrogen peroxide, for the degree of color change of teeth, color relapse and tooth and gum sensitivity. The degree of color change and color relapse was evaluated by using a colorimeter, shade guide and color slide photography. Teeth and gum sensitivity we...

Discoloration of teeth, especially the anteriors, can result in considerably cosmetic impairment in young children. It is the pediatric dentist’s responsibility to supervise those children who seek to undergo a whitening treatment to ensure the maximum cosmetic benefit within the boundaries of oral and systematic health. Among bleaching techniques, the walking bleach technique with sodium perbo...

Aims The aim of this project was to evaluate the effects of 2 different whitening strips on color, microstructure and roughness of tea stained porcelain and composite surfaces. Methods 54 porcelain and 72 composite chips served as samples for timed application of over-the-counter (OTC) test or control dental whitening strips. Chips were divided randomly into three groups of 18 porcelain and 2...