Try all the Crest Whitestrips variations before investing in an entire box. So, at least Andrius is learning like a good college student. The diameter of the tip of the profilometer was 2. Effect of in-office tooth bleaching on the micro hardness of six dental esthetic restorative materials. Write Your Own Review You're reviewing:
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One study associated bleaching-induced loss of silicon and potassium dioxide with increased surface roughness in feldspathic porcelain [ 14 ]. I am in the same boat. Of these, 18 porcelain and 24 composite chips served as baseline untreated samples, while 36 porcelain chips and 48 composite chips served as active samples, undergoing timed application of a test or control whitening strip Figure 1. Because composite and porcelain materials are widely used in dentistry [ 5 ], it is important to identify the effects of home bleaching on their integrity, longevity and appearance. See Terms and Conditions below for details. In another study, bleaching agents were shown to decrease porcelain surface hardness without affecting its roughness [ 10 , 19 ]. Your email address will not be published.
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Over shoppers have enjoyed the box so far, rating it at 4. Sign up then earn points when you complete surveys! Don't subscribe All Replies to my comments Subscribe to followup comments via e-mail. Factors that may contribute to the wide range of results reported in the literature may be due to variations in the preparation and finishing of test samples, different study designs [ 20 ], and wide-ranging formulations of the bleaching materials used in these studies [ 25 ]. This is most likely due to several factors: At higher magnifications, greater surface roughening was consistently observed in composite and porcelain samples exposed to the control strips than those treated with the test strips. The effect of a bleaching system on properties related to different ceramic surface textures.