Evaluating the Effect of Diode Laser Irradiation on Microhardness of Bleached Enamel: An in Vitro Study
Aims: To investigate the effect of in-office dental bleaching techniques on the microhardness of enamel and the influence of post bleaching diode laser irradiation on the surface microhardness of bleached enamel. Materials and methods: Forty bovine teeth were prepared and then randomly allocated int...
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| Format: | Article |
| Language: | Arabic |
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University of Mosul, College of Dentistry
2022-03-01
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| Series: | Al-Rafidain Dental Journal |
| Subjects: | |
| Online Access: | https://rden.mosuljournals.com/pdf_173001_f2acc4d88afc40e41c2cb5d3bc3a596a.html |
| _version_ | 1828426156014043136 |
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| author | Alaa H. Ali Abduladheem Raouf Sulaiman |
| author_facet | Alaa H. Ali Abduladheem Raouf Sulaiman |
| author_sort | Alaa H. Ali |
| collection | DOAJ |
| description | Aims: To investigate the effect of in-office dental bleaching techniques on the microhardness of enamel and the influence of post bleaching diode laser irradiation on the surface microhardness of bleached enamel. Materials and methods: Forty bovine teeth were prepared and then randomly allocated into two equal groups (n=20) according to bleaching technique as follows: CB: Conventional in-office bleaching technique and LB: Laser–assisted in-office bleaching technique. Each group was subdivided into two subgroups (n=10) according to laser irradiation setting as follows: C2: Conventionally bleached followed by diode laser irradiation at 2-Watt laser, C4: Conventionally bleached followed by diode laser irradiation at 4-Watt laser, L2: laser –assisted bleached followed by diode laser irradiation at 2-Watt laser and L4: Laser–assisted bleached followed by diode laser irradiation at 4-Watt laser. Vickers microhardness was assessed three times for all the specimens: before bleaching, 24 hours after bleaching and finally 24 hours after post bleaching diode laser irradiation. Paired samples t- test and independent samples t- test were utilized for statistical analysis. Results: Both bleached groups exhibited a significant decrease in micro harness after bleaching with no statistically significant differences between them. Post bleaching diode laser irradiation at 2Watt and 4Watt resulted in significant increase in microhardness with no significant difference was evident between them. Conclusions: Diode laser irradiation on bleached enamel had a positive influence on surface microhardness of enamel and it may represent a promising post bleaching treatment modality. |
| first_indexed | 2024-12-10T16:40:44Z |
| format | Article |
| id | doaj.art-e9339cbd20614ad98f1a22a4491d6bdd |
| institution | Directory Open Access Journal |
| issn | 1812-1217 1998-0345 |
| language | Arabic |
| last_indexed | 2024-12-10T16:40:44Z |
| publishDate | 2022-03-01 |
| publisher | University of Mosul, College of Dentistry |
| record_format | Article |
| series | Al-Rafidain Dental Journal |
| spelling | doaj.art-e9339cbd20614ad98f1a22a4491d6bdd2022-12-22T01:41:14ZaraUniversity of Mosul, College of DentistryAl-Rafidain Dental Journal1812-12171998-03452022-03-01221182193http://dx.doi.org/10.33899/rdenj.2022.173001Evaluating the Effect of Diode Laser Irradiation on Microhardness of Bleached Enamel: An in Vitro StudyAlaa H. Ali0Abduladheem Raouf Sulaiman1Department of Conservative Dentistry, College of Dentistry, University of Mosul, IraqDepartment of Conservative Dentistry, College of Dentistry, University of Mosul, IraqAims: To investigate the effect of in-office dental bleaching techniques on the microhardness of enamel and the influence of post bleaching diode laser irradiation on the surface microhardness of bleached enamel. Materials and methods: Forty bovine teeth were prepared and then randomly allocated into two equal groups (n=20) according to bleaching technique as follows: CB: Conventional in-office bleaching technique and LB: Laser–assisted in-office bleaching technique. Each group was subdivided into two subgroups (n=10) according to laser irradiation setting as follows: C2: Conventionally bleached followed by diode laser irradiation at 2-Watt laser, C4: Conventionally bleached followed by diode laser irradiation at 4-Watt laser, L2: laser –assisted bleached followed by diode laser irradiation at 2-Watt laser and L4: Laser–assisted bleached followed by diode laser irradiation at 4-Watt laser. Vickers microhardness was assessed three times for all the specimens: before bleaching, 24 hours after bleaching and finally 24 hours after post bleaching diode laser irradiation. Paired samples t- test and independent samples t- test were utilized for statistical analysis. Results: Both bleached groups exhibited a significant decrease in micro harness after bleaching with no statistically significant differences between them. Post bleaching diode laser irradiation at 2Watt and 4Watt resulted in significant increase in microhardness with no significant difference was evident between them. Conclusions: Diode laser irradiation on bleached enamel had a positive influence on surface microhardness of enamel and it may represent a promising post bleaching treatment modality.https://rden.mosuljournals.com/pdf_173001_f2acc4d88afc40e41c2cb5d3bc3a596a.htmldiode laser؛conventional in-office bleaching؛laser assisted in-office bleaching |
| spellingShingle | Alaa H. Ali Abduladheem Raouf Sulaiman Evaluating the Effect of Diode Laser Irradiation on Microhardness of Bleached Enamel: An in Vitro Study Al-Rafidain Dental Journal diode laser ؛conventional in-office bleaching ؛laser assisted in-office bleaching |
| title | Evaluating the Effect of Diode Laser Irradiation on Microhardness of Bleached Enamel: An in Vitro Study |
| title_full | Evaluating the Effect of Diode Laser Irradiation on Microhardness of Bleached Enamel: An in Vitro Study |
| title_fullStr | Evaluating the Effect of Diode Laser Irradiation on Microhardness of Bleached Enamel: An in Vitro Study |
| title_full_unstemmed | Evaluating the Effect of Diode Laser Irradiation on Microhardness of Bleached Enamel: An in Vitro Study |
| title_short | Evaluating the Effect of Diode Laser Irradiation on Microhardness of Bleached Enamel: An in Vitro Study |
| title_sort | evaluating the effect of diode laser irradiation on microhardness of bleached enamel an in vitro study |
| topic | diode laser ؛conventional in-office bleaching ؛laser assisted in-office bleaching |
| url | https://rden.mosuljournals.com/pdf_173001_f2acc4d88afc40e41c2cb5d3bc3a596a.html |
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