T-Scan III Post-orthodontic Treatment Occlusal Analysis in Non- Extraction Cases | ||
| Egyptian Dental Journal | ||
| Volume 69, Issue 3 - Serial Number 1, July 2023, Pages 1749-1755 PDF (464.58 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/edj.2023.201829.2498 | ||
| Authors | ||
| Mona Helal Mahmoud Helal* 1; Noha Ezzat Sabet2; Noha Hussein Abbas3 | ||
| 1Orthodontic Department, Faculty of Dentistry, Ain Shams University, Cairo, Egypt . | ||
| 2Professor, Orthodontic Department, Faculty of Dentistry, Ain Shams University, Cairo, Egypt | ||
| 3Associate Professor, Orthodontic Department, Faculty of Dentistry, Ain Shams University, Cairo, Egypt. | ||
| Abstract | ||
| Abstract Aim: To assess the occlusal analysis after orthodontic treatment in non-extraction cases with T-scan III, and compare it with control group having normal occlusion and non-orthodontically treated. Materials and Methods: The current study was conducted on forty-eight participants (15 males and 33 females) with age ranges (17- 28 years). They were equally divided into two groups; Group (A) experimental group who finished their orthodontic treatment. and group (B) control group non-orthodontically treated. The T-Scan® III Occlusal Analyzing System version 8 was used for occlusal assessment for every participant. The force distribution percentage bilaterally in centric occlusion and mandibular lateral movement were measured. Data were collected and tabulated for statistical analysis. Results: There was significant difference in bilateral force distribution in centric occlusion between the two groups, whereas there was no significant difference among both study groups in the bilateral force distribution during lateral movements for the working and balancing sides, where both groups showed balancing side contacts. The experimental group had higher percentage of first premolar interferences, whereas the control group had significantly higher percentage of central incisor interferences. However, both groups showed higher prevalence of balancing interference for the second molars. Conclusions: The force distribution bilaterally in centric occlusion and balancing side interferences in lateral excursions were significantly different between post-orthodontic non-extraction and normal non-orthodontic groups. Also, the control group showed balancing side interferences in lateral movements of the mandible as well. | ||
| Keywords | ||
| T-scan; post-orthodontic treatment; non-extraction; occlusal analysis; force distribution | ||
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