Abstract
Objective: The purpose of this study is to compare three-dimensional cephalometric measurements of the skeleton and dentoalveolar region between Turkish individuals and individuals from other populations.
Methods: This is a single-center, retrospective study using cone beam computed tomography images (CBCT). Individuals have no missing teeth, are between the ages of 18 and 30, have a balanced profile, and have an Angle Class I relationship. The CBCT images were obtained in DICOM format and analyzed in DOLPHIN 11.8 software. 61 parameters were measured on the CBCT images, and 14 parameters were contrasted with individuals from other populations.
Results: Mandibular values were more protrusive in Korean and Chinese populations than in Turkish and Cypriot individuals. Similarly, upper facial height (N- ANS distance) was found to be much higher. It was found that the length of the mandibular corpus was shorter and the angle of convexity was higher in Turks and Cypriots than in Koreans and Chinese populations.
Conclusion: Ethnic facial and skeletal characteristics play a fundamental role in the outcome and course of orthodontic treatment. Gender differences also play an important role when facial sizes and proportions are compared in different societies.
References
- 1. Cheung LK, Chan YM, Jayaratne YS, Lo J. Three-dimensional cephalometric norms of Chinese adults in Hong Kong with balanced facial profile. Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology. 2011;112(2):e56-e73.
- 2. Devanna R. Two-dimensional to three-dimensional: A new three-dimensional cone-beam computed tomography cephalometric analysis. Journal of Orthodontic Research. 2015;3(1):30.
- 3. Bayome M, Park JH, Kook Y-A. New three-dimensional cephalometric analyses among adults with a skeletal Class I pattern and normal occlusion. Korean journal of orthodontics. 2013;43(2):62.
- 4. Swennen G, Schutyser F, Hausamen J. Chapter 3–3D cephalometric system. Three-dimensional cephalometry: a color atlas and manual Berlin: Springer Verlag. 2006:99-105.
- 5. Jacobson A, Jacobson R. Radiographic Cephalometry: From Basics to 3-D Imaging: Quintessence Pub. 2006.
- 6. Akgül AA, Toygar TU. Natural craniofacial changes in the third decade of life: a longitudinal study. American Journal of Orthodontics and Dentofacial Orthopedics. 2002;122(5):512-22.
- 7. Thilander B, Persson M, Adolfsson U. Roentgen–cephalometric standards for a Swedish population. A longitudinal study between the ages of 5 and 31 years. The European Journal of Orthodontics. 2005;27(4):370-89.
- 8. Vahdettin L, Aksoy S, Öz U, Orhan K. Three-dimensional cephalometric norms of Turkish Cypriots using CBCTimages reconstructed from a volumetric rendering program in vivo. Turkish journal of medical sciences. 2016;46(3):848-61.
- 9. Lee CT. Standards for Korean adult facial relationships by various roentgeno-cephalometric analysis. The korean journal of orthodontics. 1988;18(2):459-74.
Abstract
Amaç: Bu çalışmanın amacı Türk bireyler ve farklı popülasyondaki bireyler arasındaki iskeletsel ve dentoalveolar üç boyutlu sefalometrik ölçümleri karşılaştırmaktır.
Materyal Metod: Bu çalışma konik ışınlı tomografi görüntülerinin (KIBT) kullanıldığı tek merkezli, retrospektif bir çalışmadır. Bireyler 18 ile 30 yaş aralığında eksik dişi olmayan, dengeli bir profile ve Angle Sınıf I ilişkiye sahiptir. KIBT görüntüleri DICOM formatında elde edildi ve DOLPHIN 11.8 yazılımında değerlendirildi. KIBT görüntülerinde 61 parametre ölçüldü ve 14 parametre diğer popülasyondaki bireyler ile karşılaştırıldı.
Bulgular: Kore ve Çin popülasyonu mandibula değerleri Türk ve Kıbrıslı bireylere göre daha protrüzivdi. Aynı şekilde üst yüz yüksekliğinin de (N-ANS mesafesi) daha yüksek olduğu görüldü. Mandibular korpus uzunluğu Türk ve Kıbrıslılarda Kore ve Çin popülasyonuna göre daha kısa, konveksite açısı ise daha yüksek bulundu.
Sonuç: Etnik fasiyal özellikler ve iskeletsel karakteristikler ortodontik tedavinin sonuçlanması ve ilerlemesinde önemli rol oynamaktadır. Yüz boyutları ve oranları farklı toplumlarla karşılaştırıldığında cinsiyet farklılıkları da önemli bir rol oynamaktadır.
References
- 1. Cheung LK, Chan YM, Jayaratne YS, Lo J. Three-dimensional cephalometric norms of Chinese adults in Hong Kong with balanced facial profile. Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology. 2011;112(2):e56-e73.
- 2. Devanna R. Two-dimensional to three-dimensional: A new three-dimensional cone-beam computed tomography cephalometric analysis. Journal of Orthodontic Research. 2015;3(1):30.
- 3. Bayome M, Park JH, Kook Y-A. New three-dimensional cephalometric analyses among adults with a skeletal Class I pattern and normal occlusion. Korean journal of orthodontics. 2013;43(2):62.
- 4. Swennen G, Schutyser F, Hausamen J. Chapter 3–3D cephalometric system. Three-dimensional cephalometry: a color atlas and manual Berlin: Springer Verlag. 2006:99-105.
- 5. Jacobson A, Jacobson R. Radiographic Cephalometry: From Basics to 3-D Imaging: Quintessence Pub. 2006.
- 6. Akgül AA, Toygar TU. Natural craniofacial changes in the third decade of life: a longitudinal study. American Journal of Orthodontics and Dentofacial Orthopedics. 2002;122(5):512-22.
- 7. Thilander B, Persson M, Adolfsson U. Roentgen–cephalometric standards for a Swedish population. A longitudinal study between the ages of 5 and 31 years. The European Journal of Orthodontics. 2005;27(4):370-89.
- 8. Vahdettin L, Aksoy S, Öz U, Orhan K. Three-dimensional cephalometric norms of Turkish Cypriots using CBCTimages reconstructed from a volumetric rendering program in vivo. Turkish journal of medical sciences. 2016;46(3):848-61.
- 9. Lee CT. Standards for Korean adult facial relationships by various roentgeno-cephalometric analysis. The korean journal of orthodontics. 1988;18(2):459-74.
Details
| Primary Language | English |
|---|---|
| Subjects | Dentistry |
| Journal Section | Original Article | Dentistry |
| Authors | |
| Publication Date | October 4, 2023 |
| Submission Date | November 10, 2021 |
| Acceptance Date | July 13, 2023 |
| Published in Issue | Year 2023 Volume: 9 Issue: 3 |
