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SUNAL AKTÜRK, EZGİ

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EZGİ
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SUNAL AKTÜRK
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Now showing 1 - 6 of 6
  • PublicationMetadata only
    Occlusal plane rotation and orthodontic decompensation: influence on the outcome of surgical correction of class III malocclusion Rotation der Okklusionsebene und kieferorthopädische Dekompensation: Einfluss auf das Ergebnis der chirurgischen Korrektur einer Klasse-III-Malokklusion
    (2022-01-01T00:00:00Z) ŞEKER, Elif Dilara; SUNAL AKTÜRK, EZGİ; YILMAZ, HANİFE NURAY; Kucukkeles, Nazan; ŞEKER, ELIF DILARA; SUNAL AKTÜRK, EZGİ
    © 2022, Springer Medizin Verlag GmbH, ein Teil von Springer Nature.Purpose: The aim of this retrospective multicenter study is to evaluate the influence of surgical manipulation of the upper occlusal plane (UOP) and orthodontic decompensation on the outcome of class III orthognathic surgery. Methods: Incisor inclinations, occlusal plane inclination as well as skeletal and soft tissue changes were assessed in lateral cephalograms of 85 class III patients who had previously undergone orthognathic surgery. Fourteen linear and eight angular measurements were performed on each radiograph at the beginning of treatment (T0), before surgery (T1) and at the end of treatment (T2) using imaging software. After measurement of variables, Mann–Whitney U‑test, repeated-measures analysis of variance (ANOVA) with Bonferroni multiple comparison test, and Spearman’s correlation analysis were performed. Results: A statistically significant improvement was observed in both sagittal skeletal and soft tissue measurements (p < 0.05). Surgical change in UOP was significantly correlated with changes in overbite, upper lip strain and soft tissue B‑point change in the sagittal direction (p < 0.05). Overjet change was significantly correlated with changes in the soft tissue and all sagittal skeletal parameters except for SNA. Changes in the incisor inclinations was significantly correlated with changes in the sagittal skeletal parameters and lower facial height. Significant differences were also observed between the groups with induced clockwise or counterclockwise rotation of the mandible in terms of IMPA (long axis of LI to mandibular plane), overbite, upper lip strain and position of soft tissue B‑point (p < 0.05). Conclusion: Sufficient dental decompensation is crucial for controlling the sagittal as well as the vertical relationship during surgery. Counterclockwise rotation provides an increase in sagittal projection of the mandibular body at the soft tissue B‑point.
  • PublicationUnknown
    Anterior Tooth Size Discrepancy in Class III Surgical Patients.
    (2022-09-01T00:00:00Z) Sunal Aktürk, EZGİ; Müftüoğlu, Özge; Toygar Memikoğlu, Tülin Ufuk; SUNAL AKTÜRK, EZGİ
    Objective: The purpose of the present study was to specify whether there are mesiodistal tooth size discrepancies in the anterior region in patients with dentoskeletal Class III malocclusion who underwent orthognathic surgery and orthodontic treatment and to assess the relationship between anterior Bolton ratio and dentoskeletal cephalometric measurements. Methods: The diagnostic dental casts and lateral cephalometric radiographs of 113 nongrowing patients (54 females and 59 males; mean age: 19.96 ± 4.42 years) with dentoskeletal Class III malocclusion who underwent orthognathic surgery and orthodontic treatment were included in the study. The mesiodistal widths of the 6 anterior teeth were measured from dental casts using a digital caliper accurate to 0.01 mm and anterior Bolton ratios were calculated. Lateral cephalograms were digitalized and used to measure 4 skeletal and 4 dental parameters. Results: The mean anterior ratio of Class III surgical patients was 80.1% with a standard deviation of 2.8%. Clinically significant anterior tooth size discrepancies (greater than ±2 standard deviation) were found in 40.7% of the sample, 97.8% of those patients having anterior mandibular tooth excess. No significant correlation was found between the anterior Bolton ratio and cephalometric measurements. Conclusion: Clinicians should consider the probability of tooth size discrepancy in the diagnosis and treatment planning of Class III surgical patients and should perform interventions to eliminate these discrepancies during presurgical orthodontic treatment.
  • PublicationUnknown
    Electromyographic, Ultrasonographic, and Ultrasound Elastographic Evaluation of the Masseter Muscle in Class III Patients Before and After Orthognathic Surgery
    (2020-10-01T00:00:00Z) EREN, HAKAN; Gorurgoz, Cansu; ORHAN, KAAN; Karasu, Hakan Alpay; Akat, Bora; MEMİKOĞLU, TÜLİN UFUK; SUNAL AKTÜRK, EZGİ
    Purpose: The aim of this study was to examine changes in the electromyographic activity, thickness, width, and hardness of the masseter muscle from before to after orthognathic surgery. Material and Methods: The study included 15 patients with Class III dentofacial deformities who were treated with combined orthodontic and orthognathic surgery. Fifteen individuals with normal occlusion and no signs or symptoms of temporomandibular joint dysfunction were used as controls. All records were obtained bilaterally in the study group before surgery (T1), at 3 months after surgery (T2), and in the control group (CG) while at rest and in maximum voluntary contraction (MVC). Results: There was no difference in resting masseter muscle activity between T1, T2, and CG. Resting thickness and width of the masseter muscle did not differ significantly between T1 and T2. MVC masseter muscle activity and thickness increased significantly and width decreased significantly from T1 to T2 but did not reach CG values. Muscle hardness increased from T1 to T2. Conclusions: The authors- findings indicate that despite improved muscle activity and dimensions, postoperative 3 months is still early period for adaptation of the masseter muscles to the new occlusion and skeletal morphology.
  • PublicationUnknown
    Comparison of the Nickel Titanium Alloy Archwires- Dimensions with the Mean Arch Dimensions of a Turkish Sample
    (2022-04-01T00:00:00Z) YILMAZ, BERZA; Erkan, Sevan; SUNAL AKTÜRK, EZGİ; Yaradanakul, Kubra; YILMAZ, BERZA; SUNAL AKTÜRK, EZGİ
    Objective: This study aimed to evaluate the harmony between the mandibular arch dimensions of a Turkish sample that has Class I occlusion without orthodontic treatment history and the arch dimensions of archwires produced by different manufacturers.
  • PublicationMetadata only
    The Effects of Occlusal Plane Inclination and Dental Decompensation on the Overall Result of Surgical Correction of Class II Malocclusion.
    (2022-03-09T00:00:00Z) Seker, Elif Dilara; Sunal Akturk, EZGİ; Yerli, Burcu; Coban, Gokhan; Kucukkeles, Nazan; ŞEKER, ELIF DILARA; SUNAL AKTÜRK, EZGİ