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Non-vital bleaching is a walking bleaching technique, which is done with a use of sodium perborate alone or in combination with superoxol. Sodium perborate used alone has less potential for external cervical resorption. Non vital bleaching is considered as the most non invasive post endodontic procedure to lighten the tooth. Therefore, the aim of the study was to assess the effectiveness of nonvital bleaching in discoloured maxillary central incisors among different age groups. Patients treated with non vital bleaching were taken into the study as the participants. Data regarding all the cases completed between June 2019 to March 2020 were retrieved from the case records of Saveetha Dental College, Chennai. Data that was retrieved were cross verified by two reviewers. Data evaluation was done by assessing the dental records among the different age groups of people who had undergone non vital bleaching. The data collected was analysed using a Chi-square test by importing the data into SPSS (Version 26.0) software. Within the limits of our study, it has been concluded that non vital bleaching is more common in the age group of 19-25 years age, upper anterior were more prevalent type of teeth involved in non vital bleaching and males had undergone non vital bleaching most commonly when compared to females. Sodium perborate was the most common non vital bleaching agent used in maxillary anteriors.