A pathological study on the influence of bleaching technique on vital tooth pulp / 中华口腔医学杂志

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the influence of bleaching technique on vital tooth pulp.</p><p><b>METHODS</b>A total of 40 vital teeth extracted for orthodontics were selected, of which, 10 teeth without any treatment served as control, 15 teeth were extracted instantly after bleaching and 15 teeth were extracted 7 days after bleaching. Slides were made from all these three groups and subject to pathological examination under microscope.</p><p><b>RESULTS</b>No clinical symptoms were found in all the teeth before and after bleaching. All teeth in the three groups showed normal pulp on pathological examination.</p><p><b>CONCLUSIONS</b>Bleaching did not affect vital tooth pulp and is a safe technique.</p>