The growing demand for white smile between patients has increased over recent years, the development of techniques and improvement of materials permits searching for beautiful natural smile. The discoloration of teeth might be intrinsic, extrinsic, or combined. A variety of commercial bleaching agents is available. The most common substances used are carbamide peroxide or hydrogen peroxide or a mixture of sodium perborate and hydrogen peroxide.
The aim of the study is to assess the effectiveness of two different in-office bleaching materials carbamide peroxide alone and carbamide peroxide with Chitosan nanoparticles Using diode laser as an activator Regarding tooth whitening and color stability 1 Day , 1 weeks, 1 month after treatment using Vita easy shade.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
42
nano chitosan
Misr University for science and technology
Giza, Egypt, Egypt
Color change
these assessments were performed for 1 day, 1 week, and 1 month after treatment with Vita easy shade obtaining difference ∆E\* values using colorcoordinates CIE L\*, a\* and b\*
Time frame: these assessments were performed for 1 day, 1 week, and 1 month after treatment with Vita easy shade.
color change using digital vita easy shade guide
color change using digital vita easy shade guide
Time frame: 1 day , 1 week , 1 month
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