14 January 2014 New method of laser doppler flowmetry signal processing in pulp vitality evaluation after teeth cosmetic treatment
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Abstract
The present study aims to assess the pulp vitality before and after different tooth bleaching procedures, in order to determine the changes in pulpal microcirculation and whether they are reversible or not. Twelve volunteers were included in this study. For each volunteer, the pulpal blood flow of maxillary teeth was assessed prior to treatment using Laser Doppler Flowmetry. The “in office” bleaching technique was used 6 anterior teeth, with two different gels, a conventional one chemically activated (Group I 3teeth) and another one activated using Nd:YAG laser (Group II-3 teeth). The bleaching agents were applied on counterpart teeth and, after obtaining a esthetic results for each tooth, the pulpal blood flow was assessed using Laser Doppler Flowmetry immediately after treatment and then after one day and one week. All data were collected and statistically analyzed. Immediately after treatment, the assessment showed an increase of pulpal blood flow, for both study groups, but higher in Group I as compared to Group II (p<0.005). The subsequent assessments showed a reduction of the pulpal blood flow with non – significant differences between the study groups (p<0.005).The results suggest that the tooth bleaching procedurere presents a safe treatment method, which does not lead to irreversible damage to the dental pulp, when used correctly.
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Carmen Todea, Carmen Todea, Amalia Sarpe, Amalia Sarpe, Bogdan Vitez, Bogdan Vitez, Gheorghe Draganescu, Gheorghe Draganescu, } "New method of laser doppler flowmetry signal processing in pulp vitality evaluation after teeth cosmetic treatment", Proc. SPIE 8925, Fifth International Conference on Lasers in Medicine: Biotechnologies Integrated in Daily Medicine, 892502 (14 January 2014); doi: 10.1117/12.2042778; https://doi.org/10.1117/12.2042778
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