T-Scan III Post-orthodontic Treatment Occlusal Analysis in Extraction Cases

Document Type : Original Article

Authors

1 Professor, Department of Orthodontics, Faculty of Dentistry, Ain Shams University, Cairo, Egypt

2 Associate Professor, Department of Orthodontics, Faculty of Dentistry, Ain Shams University, Cairo, Egypt

3 Department of Orthodontics, Faculty of Dentistry, Ain Shams University, Cairo, Egyp

Abstract

Aim: The aim of this study was to measure the occlusal parameters of orthodontically treated cases with premolar extraction (experimental group) and compared the result with the measures of non-orthodontic normal occlusion subjects using T-Scan III system.
Subjects and methods: The study included 48 participant 32 female and 16 males with age ranging from 17 to 28 years, divided into two groups; experimental group included 24 patients (16 females and 8 males) who finished their orthodontic treatment which included extraction of permanent first premolars teeth and control group which included 27 untreated participants (15 females and 9 males) had class I molar and canine relation with normal anterior and posterior overjet and overbite. T-Scan III occlusal analysis were performed for both groups in centric occlusion. Force distribution on right and left sides and presence of interferences were assessed.
Results: The results showed the presence of significant force distribution imbalances and premature contacts in experimental group when measured by the T-Scan technology. These force imbalances and interferences may act as a causative factor in post-orthodontic treatment instability, periodontitis, NCCL, appearance of TMD signs and symptoms and negatively affect the masticatory function.

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Egyptian Dental Journal
Volume 69, Issue 1 - Serial Number 1
Issue 1 - January (Orthodontics, Pediatric & Preventive Dentistry)
January 2023
Pages 45-50

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