Time-dependent efficacy and safety of tooth bleaching with cold plasma and H2O2 gel
Abstract Background Hydrogen peroxide (H2O2) is the commonly used bleaching agent for teeth. But it is highly corrosive to teeth for the high concentration. The cold atmospheric pressure plasma has been witnessed a novel tooth bleaching technology and could help strengthen the bleaching effect when...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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BMC
2022-11-01
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| Series: | BMC Oral Health |
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| Online Access: | https://doi.org/10.1186/s12903-022-02601-8 |
| _version_ | 1811303893936635904 |
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| author | Xiaohui Yang Ke Sun Weidong Zhu Yinglong Li Jie Pan |
| author_facet | Xiaohui Yang Ke Sun Weidong Zhu Yinglong Li Jie Pan |
| author_sort | Xiaohui Yang |
| collection | DOAJ |
| description | Abstract Background Hydrogen peroxide (H2O2) is the commonly used bleaching agent for teeth. But it is highly corrosive to teeth for the high concentration. The cold atmospheric pressure plasma has been witnessed a novel tooth bleaching technology and could help strengthen the bleaching effect when combined with H2O2. However, the efficacy and safety might highly correlated with processing time. The present study aims to evaluate the time-dependent efficacy and safety of tooth bleaching with cold plasma and H2O2 gel in vitro. Methods The H2O2 concentrations of the gel used in the study are 6%, 15%, 25% and 35%, respectively and the treatment time varies from 5 to 20 min. The tooth bleaching effect was evaluated by a Crystaleye Spectrophotometer and the overall change of the colorimetric value based on three independent measurements. Meanwhile, the microhardness, roughness and tooth temperature were evaluated. The surface morphology and the elemental composition were determined by scanning electron microscope and energy-dispersive X-ray spectroscopy. Results 5 min bleaching treatment contributed to 60% of the bleaching effect maximum, the 10 min effect was close to 15 min effect. Meanwhile, the microhardness reduced and roughness increased under a treatment which was longer than 20 min. Tooth pulp chamber temperature was keeping in a safe range within 20 min treatment. Conclusion 5–10 min was the best treatment time from which we can get an ideal tooth bleaching effect and less influence on tooth enamel and pulp tissue when using cold plasma and H2O2 gel. |
| first_indexed | 2024-04-13T07:57:26Z |
| format | Article |
| id | doaj.art-e2eb683ab3ed4f359ad3a63d3c940112 |
| institution | Directory Open Access Journal |
| issn | 1472-6831 |
| language | English |
| last_indexed | 2024-04-13T07:57:26Z |
| publishDate | 2022-11-01 |
| publisher | BMC |
| record_format | Article |
| series | BMC Oral Health |
| spelling | doaj.art-e2eb683ab3ed4f359ad3a63d3c9401122022-12-22T02:55:23ZengBMCBMC Oral Health1472-68312022-11-012211910.1186/s12903-022-02601-8Time-dependent efficacy and safety of tooth bleaching with cold plasma and H2O2 gelXiaohui Yang0Ke Sun1Weidong Zhu2Yinglong Li3Jie Pan4Department of Stomatology, Children’s Hospital of Soochow UniversityDepartment of Cariology and Endodontology, Qingdao Stomatological Hospital Affiliated to Qingdao UniversityDepartment of Applied Science and Technology, Saint Peter’s UniversityDepartment of Stomatology, Beijing Chaoyang Hospital, Capital Medical UniversityDepartment of General Dentistry, Peking University School and Hospital of Stomatology and National Clinical Research Center for Oral Diseases and National Engineering Laboratory for Digital and Material Technology of Stomatology and Beijing Key Laboratory of Digital StomatologyAbstract Background Hydrogen peroxide (H2O2) is the commonly used bleaching agent for teeth. But it is highly corrosive to teeth for the high concentration. The cold atmospheric pressure plasma has been witnessed a novel tooth bleaching technology and could help strengthen the bleaching effect when combined with H2O2. However, the efficacy and safety might highly correlated with processing time. The present study aims to evaluate the time-dependent efficacy and safety of tooth bleaching with cold plasma and H2O2 gel in vitro. Methods The H2O2 concentrations of the gel used in the study are 6%, 15%, 25% and 35%, respectively and the treatment time varies from 5 to 20 min. The tooth bleaching effect was evaluated by a Crystaleye Spectrophotometer and the overall change of the colorimetric value based on three independent measurements. Meanwhile, the microhardness, roughness and tooth temperature were evaluated. The surface morphology and the elemental composition were determined by scanning electron microscope and energy-dispersive X-ray spectroscopy. Results 5 min bleaching treatment contributed to 60% of the bleaching effect maximum, the 10 min effect was close to 15 min effect. Meanwhile, the microhardness reduced and roughness increased under a treatment which was longer than 20 min. Tooth pulp chamber temperature was keeping in a safe range within 20 min treatment. Conclusion 5–10 min was the best treatment time from which we can get an ideal tooth bleaching effect and less influence on tooth enamel and pulp tissue when using cold plasma and H2O2 gel.https://doi.org/10.1186/s12903-022-02601-8Cold plasmaTooth bleachingMechanical safetyPulp chamber temperature |
| spellingShingle | Xiaohui Yang Ke Sun Weidong Zhu Yinglong Li Jie Pan Time-dependent efficacy and safety of tooth bleaching with cold plasma and H2O2 gel BMC Oral Health Cold plasma Tooth bleaching Mechanical safety Pulp chamber temperature |
| title | Time-dependent efficacy and safety of tooth bleaching with cold plasma and H2O2 gel |
| title_full | Time-dependent efficacy and safety of tooth bleaching with cold plasma and H2O2 gel |
| title_fullStr | Time-dependent efficacy and safety of tooth bleaching with cold plasma and H2O2 gel |
| title_full_unstemmed | Time-dependent efficacy and safety of tooth bleaching with cold plasma and H2O2 gel |
| title_short | Time-dependent efficacy and safety of tooth bleaching with cold plasma and H2O2 gel |
| title_sort | time dependent efficacy and safety of tooth bleaching with cold plasma and h2o2 gel |
| topic | Cold plasma Tooth bleaching Mechanical safety Pulp chamber temperature |
| url | https://doi.org/10.1186/s12903-022-02601-8 |
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