Download Bleaching Techniques in Restorative Dentistry: An by Linda Greenwall PDF
By Linda Greenwall
Curiosity in bleaching enamel has grown dramatically within the previous couple of years as new markets turn into to be had and stimulate extra improvement. This advisor is written to assist the busy restorative dentist who must sustain up to now with the kinds of product to be had, the concepts to exploit them successfully and adequately, and the way to take advantage of them together with restorative dentistry in treating sufferers.
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Additional info for Bleaching Techniques in Restorative Dentistry: An Illustrated Guide
Example text
This would be beneficial for dentists who are treating an isolated dark tooth or darker canines (Leonard 1998). The latter authors made the comment that the actual treatment time may not represent the active concentration time because the carbamide peroxide is decomposing relatively rapidly in the initial phase of any treatment. There were several categories of patient: (1) aging/inherent discoloration, (2) trauma, (3) fluorosis, (4) tetracycline staining. Successful results could be seen within 20 hours of treatment.
The partial diffusion into the enamel may also allow the tooth to be bleached more effectively deeper within its enamel and dentine layers (Garber et al 1991). The additive influences the activity of the material and the tray design. The effect on the pH depends on the concentration of the urea and the duration of its application. Urea is used in the bleaching kits to: • stabilise the hydrogen peroxide (Christensen 1997); it provides a loose association with the hydrogen peroxide which is easily broken down • elevate the pH of the solution • enhance other desirable qualities, such as anticariogenic effects, saliva stimulation, and wound healing properties (Archambault 1990).
Colour regression occurred within the first month after bleaching in a study by Matis and coworkers 1998.