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Dergiler / Selcuk Dental Journal / 2026 / Volume: 10 Issue: 1

How do Mandibular Osteotomies with and without Le Fort I osteotomy affect the Mentolabial Groove from the frontal view?

Muazzez Suzen(İstanbul Medipol University,school of dentistry,deparment of Oral and Maxillofacial Surgery)0000-0001-5121-9158
Emrah Dilaver(Istanbul Medipol University,School of dentistry,Deparment of Oral and Maxillofacial Surgery)0000-0003-4522-1424
Abdullah Özel(İstanbul Medipol University,school of dentistry,deparment of Oral and Maxillofacial Surgery)0000-0002-1466-5869
Sina Uçkan(İstanbul Medipol University,school of dentistry,deparment of Oral and Maxillofacial Surgery)0000-0003-1077-7342
Sayfa
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Yayın Tarihi
2023-04-27
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Yapay Zeka Hızlı Bakış & Çıkarımlar

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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

Orthognathic surgery significantly affects mentolabial anatomy and therefore should be planned carefully to obtain an aesthetic appearance in the mentolabial region.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:Purpose: The aim of this study was to determine how the mentolabial groove at the frontal view is affected by orthognathic surgery.
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Temel Bulgular & Veri:Materials & Methods: Sixty-two patients were appointed into two groups (Group 1: Class II skeletal deformity, Group 2: Class III skeletal deformity).
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Sonuç & Katkı:Orthognathic surgery significantly affects mentolabial anatomy and therefore should be planned carefully to obtain an aesthetic appearance in the mentolabial region.
🔬Tür:Research Article
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:mentolabial groove · orthognathic surgery · frontal view

Özet

Purpose: The aim of this study was to determine how the mentolabial groove at the frontal view is affected by orthognathic surgery. Materials & Methods: Sixty-two patients were appointed into two groups (Group 1: Class II skeletal deformity, Group 2: Class III skeletal deformity). In each patient, pre and postoperative standardized sixth-month photos (lateral and frontal view) were obtained in natural head position to investigate mentolabial groove length (MGL), mentolabial groove depth (MGD), mentolabial groove angle (MGA) and mentolabial angle (MLA). Results: Out of the 62 patients, 41 had Class III skeletal deformity (66.2%) and 21 Class II skeletal deformity (33.8%). In Group 1, the average ratio of MGL decreased significantly from 0.59±0.14 to 0.45±0.09 (p<0.001). Contrary to Group 1, the ratio of MGL increased significantly from 0.41±0.11 to 0.50±0.13 in Group 2 (p=0.001). There was a negative correlation between MGA and MGL (p=0.001, r=-0.439). MGD positively correlated with MGL (p<0.001, r=0.499). Conclusion: After orthognathic surgery, the mentolabial groove decreases in class II patients and increases in class III patients. Orthognathic surgery significantly affects mentolabial anatomy and therefore should be planned carefully to obtain an aesthetic appearance in the mentolabial region.

Abstract

Purpose: The aim of this study was to determine how the mentolabial groove at the frontal view is affected by orthognathic surgery. Materials & Methods: Sixty-two patients were appointed into two groups (Group 1: Class II skeletal deformity, Group 2: Class III skeletal deformity). In each patient, pre and postoperative standardized sixth-month photos (lateral and frontal view) were obtained in natural head position to investigate mentolabial groove length (MGL), mentolabial groove depth (MGD), mentolabial groove angle (MGA) and mentolabial angle (MLA). Results: Out of the 62 patients, 41 had Class III skeletal deformity (66.2%) and 21 Class II skeletal deformity (33.8%). In Group 1, the average ratio of MGL decreased significantly from 0.59±0.14 to 0.45±0.09 (p<0.001). Contrary to Group 1, the ratio of MGL increased significantly from 0.41±0.11 to 0.50±0.13 in Group 2 (p=0.001). There was a negative correlation between MGA and MGL (p=0.001, r=-0.439). MGD positively correlated with MGL (p<0.001, r=0.499). Conclusion: After orthognathic surgery, the mentolabial groove decreases in class II patients and increases in class III patients. Orthognathic surgery significantly affects mentolabial anatomy and therefore should be planned carefully to obtain an aesthetic appearance in the mentolabial region.

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Bu Makaleye Atıf Yap

Suzen, M., Dilaver, E., Özel, A., Uçkan, S. (2023). How do Mandibular Osteotomies with and without Le Fort I osteotomy affect the Mentolabial Groove from the frontal view?. Selcuk Dental Journal, Volume: 10 Issue: 1. https://doi.org/10.15311/selcukdentj.1192760

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