Three-Dimensional Assessment of Dental Enamel Microcrack Progression After Orthodontic Bracket Debonding Using Optical Coherence Tomography
The current study aimed to quantify the length progression of enamel microcracks (EMCs) after debonding metal and ceramic brackets, implementing OCT as a diagnostic tool. The secondary objectives included a three-dimensional assessment of EMC width and depth and the formation of new EMCs. OCT imagin...
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2024-12-01
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| Series: | Journal of Functional Biomaterials |
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| author | Ahmed Haj Hamdan Sm Abu Saleah Daewoon Seong Naresh Kumar Ravichandran Ruchire Eranga Wijesinghe Sangyeob Han Jeehyun Kim Mansik Jeon Hyo-Sang Park |
| author_facet | Ahmed Haj Hamdan Sm Abu Saleah Daewoon Seong Naresh Kumar Ravichandran Ruchire Eranga Wijesinghe Sangyeob Han Jeehyun Kim Mansik Jeon Hyo-Sang Park |
| author_sort | Ahmed Haj Hamdan |
| collection | DOAJ |
| description | The current study aimed to quantify the length progression of enamel microcracks (EMCs) after debonding metal and ceramic brackets, implementing OCT as a diagnostic tool. The secondary objectives included a three-dimensional assessment of EMC width and depth and the formation of new EMCs. OCT imaging was performed on 16 extracted human premolars before bonding and after debonding. Debonding was conducted with a universal Instron machine, with ARI values recorded. Additionally, 2D and 3D OCT images were employed to detect EMC formation and progression. Enface images quantified the length, width, and number of EMCs, and the length and width were analyzed using Image J (1.54f) and MATLAB (R2014b), respectively. Sagittal cross-sectional images were used for EMC depth analysis. A paired <i>t</i>-test showed significant differences in the length, width, and number of EMCs after debonding (<i>p</i>-value < 0.05), while the Wilcoxon non-parametric test indicated significant EMC depth changes (<i>p</i>-value < 0.05). No significant results were identified for the EMC number in ceramic brackets and EMC depth in metal brackets. Three-dimensional OCT imaging monitored existing EMCs at higher risk of progression and detected new EMCs following orthodontic bracket debonding. This study provides novel insights into EMC progression regarding the length, width, depth, and number after debonding. |
| format | Article |
| id | doaj-art-635394351e30486aa162aad80d8360bc |
| institution | Kabale University |
| issn | 2079-4983 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Journal of Functional Biomaterials |
| spelling | doaj-art-635394351e30486aa162aad80d8360bc2025-01-24T13:36:05ZengMDPI AGJournal of Functional Biomaterials2079-49832024-12-01161710.3390/jfb16010007Three-Dimensional Assessment of Dental Enamel Microcrack Progression After Orthodontic Bracket Debonding Using Optical Coherence TomographyAhmed Haj Hamdan0Sm Abu Saleah1Daewoon Seong2Naresh Kumar Ravichandran3Ruchire Eranga Wijesinghe4Sangyeob Han5Jeehyun Kim6Mansik Jeon7Hyo-Sang Park8Department of Orthodontics, School of Dentistry, Kyungpook National University, Daegu 41940, Republic of KoreaICT Convergence Research Center, Kyungpook National University, Daegu 41566, Republic of KoreaSchool of Electronic and Electrical Engineering, College of IT Engineering, Kyungpook National University, 80, Daehak-ro, Buk-gu, Daegu 41566, Republic of KoreaCenter for Scientific Instrumentation, Korea Basic Science Institute, 169-148 Gwahak-ro, Yuseong-gu, Daejeon 34133, Republic of KoreaDepartment of Electrical and Electronic Engineering, Faculty of Engineering, Sri Lanka Institute of Information Technology, Malabe 10115, Sri LankaSchool of Electronic and Electrical Engineering, College of IT Engineering, Kyungpook National University, 80, Daehak-ro, Buk-gu, Daegu 41566, Republic of KoreaSchool of Electronic and Electrical Engineering, College of IT Engineering, Kyungpook National University, 80, Daehak-ro, Buk-gu, Daegu 41566, Republic of KoreaSchool of Electronic and Electrical Engineering, College of IT Engineering, Kyungpook National University, 80, Daehak-ro, Buk-gu, Daegu 41566, Republic of KoreaDepartment of Orthodontics, School of Dentistry, Kyungpook National University, Daegu 41940, Republic of KoreaThe current study aimed to quantify the length progression of enamel microcracks (EMCs) after debonding metal and ceramic brackets, implementing OCT as a diagnostic tool. The secondary objectives included a three-dimensional assessment of EMC width and depth and the formation of new EMCs. OCT imaging was performed on 16 extracted human premolars before bonding and after debonding. Debonding was conducted with a universal Instron machine, with ARI values recorded. Additionally, 2D and 3D OCT images were employed to detect EMC formation and progression. Enface images quantified the length, width, and number of EMCs, and the length and width were analyzed using Image J (1.54f) and MATLAB (R2014b), respectively. Sagittal cross-sectional images were used for EMC depth analysis. A paired <i>t</i>-test showed significant differences in the length, width, and number of EMCs after debonding (<i>p</i>-value < 0.05), while the Wilcoxon non-parametric test indicated significant EMC depth changes (<i>p</i>-value < 0.05). No significant results were identified for the EMC number in ceramic brackets and EMC depth in metal brackets. Three-dimensional OCT imaging monitored existing EMCs at higher risk of progression and detected new EMCs following orthodontic bracket debonding. This study provides novel insights into EMC progression regarding the length, width, depth, and number after debonding.https://www.mdpi.com/2079-4983/16/1/7enamelmicrocracksmetal bracketsceramic bracketsorthodontic bracketsoptical coherence tomography (OCT) |
| spellingShingle | Ahmed Haj Hamdan Sm Abu Saleah Daewoon Seong Naresh Kumar Ravichandran Ruchire Eranga Wijesinghe Sangyeob Han Jeehyun Kim Mansik Jeon Hyo-Sang Park Three-Dimensional Assessment of Dental Enamel Microcrack Progression After Orthodontic Bracket Debonding Using Optical Coherence Tomography Journal of Functional Biomaterials enamel microcracks metal brackets ceramic brackets orthodontic brackets optical coherence tomography (OCT) |
| title | Three-Dimensional Assessment of Dental Enamel Microcrack Progression After Orthodontic Bracket Debonding Using Optical Coherence Tomography |
| title_full | Three-Dimensional Assessment of Dental Enamel Microcrack Progression After Orthodontic Bracket Debonding Using Optical Coherence Tomography |
| title_fullStr | Three-Dimensional Assessment of Dental Enamel Microcrack Progression After Orthodontic Bracket Debonding Using Optical Coherence Tomography |
| title_full_unstemmed | Three-Dimensional Assessment of Dental Enamel Microcrack Progression After Orthodontic Bracket Debonding Using Optical Coherence Tomography |
| title_short | Three-Dimensional Assessment of Dental Enamel Microcrack Progression After Orthodontic Bracket Debonding Using Optical Coherence Tomography |
| title_sort | three dimensional assessment of dental enamel microcrack progression after orthodontic bracket debonding using optical coherence tomography |
| topic | enamel microcracks metal brackets ceramic brackets orthodontic brackets optical coherence tomography (OCT) |
| url | https://www.mdpi.com/2079-4983/16/1/7 |
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