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ORIGINAL RESEARCH Table of Contents   
Year : 2018  |  Volume : 29  |  Issue : 4  |  Page : 423-427
Clinical evaluation of color change and tooth sensitivity with in-office and home bleaching treatments

Department of Conservative and Endodontics, Gitam Dental College, Visakhapatnam, Andhra Pradesh, India

Correspondence Address:
Dr. Athaluri Mounika
Magnolia Apartment - 302, Peddawaltair, Vijayanagar Palace Layout, Near Visakha Eye Hospital, Visakhapatnam, Andhra Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijdr.IJDR_688_16

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Background: Among the number of vital bleaching techniques currently available to the clinicians, home bleaching and in-office bleaching are widely used in dental practice. Aim and Objectives: The aim of this in vivo study was to compare the clinical performance, durability, and related tooth sensitivity with two vital bleaching procedures (in-office and at-home bleaching), in a split-mouth design. Patients and Methods: Thirty adult participants having teeth shade mean of A2 or darker were selected for the study. One-half of the maxillary arch of each patient received in-office bleaching with 35% hydrogen peroxide gel, and the other half received 16% carbamide peroxide night guard bleaching. Shade evaluation was done with shade guide and spectrophotometer at 1, 2, 3, and 4 week intervals during bleaching and postoperatively at 3 and 6 month intervals. Tooth sensitivity was recorded using the visual analog scale during the experimental period. Statistical Analysis: Collected data of color and sensitivity readings were subjected to statistical analysis using SPSS/PC version 20 software. Intergroup comparison through unpaired t-test and within the groups using paired t-test was done. Results: At-home and in-office bleaching procedures are equally effective in producing tooth whitening. Color evaluation after 3 and 6 months showed more color decline for in-office bleaching procedure. For sensitivity parameter also, in-office procedure recorded higher sensitivity compared to home bleaching (P < 0.05). Conclusion: Both the bleaching procedures are equally effective in producing tooth whitening. In-office bleaching recorded higher levels of tooth sensitivity and greater color rebound than home bleaching.

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