Effect of the vertical facial pattern on the developmental relationship between the nasal bone and maxillary central incisors

Abstract Background This study aimed to investigate the effect of vertical facial patterns on the developmental relationship between the nasal bone and maxillary central incisors. Methods In this retrospective comparative study, the lateral cephalograms of 213 subjects (51 Males, 162 Females) with s...

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Main Authors: Jianwei Shi, Mohammed Sultan Al-Ak’hali, Dingjun Cai, Qiutong Guo, Yuming Cao, Maged S. Alhammadi, Mubarak Ahmed Mashrah, Yang Yang
Format: Article
Language:English
Published: BMC 2023-04-01
Series:BMC Oral Health
Subjects:
Online Access:https://doi.org/10.1186/s12903-023-02927-x
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author Jianwei Shi
Mohammed Sultan Al-Ak’hali
Dingjun Cai
Qiutong Guo
Yuming Cao
Maged S. Alhammadi
Mubarak Ahmed Mashrah
Yang Yang
author_facet Jianwei Shi
Mohammed Sultan Al-Ak’hali
Dingjun Cai
Qiutong Guo
Yuming Cao
Maged S. Alhammadi
Mubarak Ahmed Mashrah
Yang Yang
author_sort Jianwei Shi
collection DOAJ
description Abstract Background This study aimed to investigate the effect of vertical facial patterns on the developmental relationship between the nasal bone and maxillary central incisors. Methods In this retrospective comparative study, the lateral cephalograms of 213 subjects (51 Males, 162 Females) with skeletal Class I malocclusion (aged 18–32 years) were classified into three equal groups: (1) hyperdivergent, (2) normodivergent, and (3) hypodivergent facial patterns based on the mandibular plane inclination (S–N/Go-Me). Several sets of measurements were extracted: (1) gradient and length of the nasal bone and maxillary central incisor, (2) the distance from apex and root of the nasal bone, and (3) maxillary central incisor to the true perpendicular from the digitized lateral cephalograms. The significance level was considered at P < 0.05. Results The inclination angle and length between nasal bone and maxillary central incisor were positively correlated independent of vertical facial type. The inclination angle of the nasal bone in the hypodivergent group was significantly larger than the other two vertical facial patterns. The inclination angle of the maxillary central incisor increased successively in the hyperdivergent, normodivergent, and hypodivergent groups. The length of the nasal bone in the hyperdivergent group was significantly longer than that in the hypodivergent and normodivergent groups. The maxillary central incisor length in the hyperdivergent group was significantly longer than in the hypodivergent group. Conclusion A correlation between nasal bone and maxillary central incisors during the growth and development of the maxillofacial region was found. In Class I malocclusion subjects, hypodivergent patients were more likely to have a prominent and relatively short nasal bone and maxillary central incisors and vice versa.
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spelling doaj.art-17ffd70f5c7c4980a6635137867fbbbb2023-04-16T11:26:59ZengBMCBMC Oral Health1472-68312023-04-012311910.1186/s12903-023-02927-xEffect of the vertical facial pattern on the developmental relationship between the nasal bone and maxillary central incisorsJianwei Shi0Mohammed Sultan Al-Ak’hali1Dingjun Cai2Qiutong Guo3Yuming Cao4Maged S. Alhammadi5Mubarak Ahmed Mashrah6Yang Yang7Department of Orthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative MedicineDepartment of Preventive Dental Sciences, College of Dentistry, Jazan UniversityDepartment of Orthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative MedicineDepartment of Orthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative MedicineDepartment of Orthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative MedicineOrthodontics and Dentofacial Orthopedics, Department of Preventive Dental Sciences, Jazan UniversityDepartment of Implantology, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative MedicineDepartment of Implantology, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative MedicineAbstract Background This study aimed to investigate the effect of vertical facial patterns on the developmental relationship between the nasal bone and maxillary central incisors. Methods In this retrospective comparative study, the lateral cephalograms of 213 subjects (51 Males, 162 Females) with skeletal Class I malocclusion (aged 18–32 years) were classified into three equal groups: (1) hyperdivergent, (2) normodivergent, and (3) hypodivergent facial patterns based on the mandibular plane inclination (S–N/Go-Me). Several sets of measurements were extracted: (1) gradient and length of the nasal bone and maxillary central incisor, (2) the distance from apex and root of the nasal bone, and (3) maxillary central incisor to the true perpendicular from the digitized lateral cephalograms. The significance level was considered at P < 0.05. Results The inclination angle and length between nasal bone and maxillary central incisor were positively correlated independent of vertical facial type. The inclination angle of the nasal bone in the hypodivergent group was significantly larger than the other two vertical facial patterns. The inclination angle of the maxillary central incisor increased successively in the hyperdivergent, normodivergent, and hypodivergent groups. The length of the nasal bone in the hyperdivergent group was significantly longer than that in the hypodivergent and normodivergent groups. The maxillary central incisor length in the hyperdivergent group was significantly longer than in the hypodivergent group. Conclusion A correlation between nasal bone and maxillary central incisors during the growth and development of the maxillofacial region was found. In Class I malocclusion subjects, hypodivergent patients were more likely to have a prominent and relatively short nasal bone and maxillary central incisors and vice versa.https://doi.org/10.1186/s12903-023-02927-xNasal boneMaxillary central incisorsVertical facial patternsCorrelation
spellingShingle Jianwei Shi
Mohammed Sultan Al-Ak’hali
Dingjun Cai
Qiutong Guo
Yuming Cao
Maged S. Alhammadi
Mubarak Ahmed Mashrah
Yang Yang
Effect of the vertical facial pattern on the developmental relationship between the nasal bone and maxillary central incisors
BMC Oral Health
Nasal bone
Maxillary central incisors
Vertical facial patterns
Correlation
title Effect of the vertical facial pattern on the developmental relationship between the nasal bone and maxillary central incisors
title_full Effect of the vertical facial pattern on the developmental relationship between the nasal bone and maxillary central incisors
title_fullStr Effect of the vertical facial pattern on the developmental relationship between the nasal bone and maxillary central incisors
title_full_unstemmed Effect of the vertical facial pattern on the developmental relationship between the nasal bone and maxillary central incisors
title_short Effect of the vertical facial pattern on the developmental relationship between the nasal bone and maxillary central incisors
title_sort effect of the vertical facial pattern on the developmental relationship between the nasal bone and maxillary central incisors
topic Nasal bone
Maxillary central incisors
Vertical facial patterns
Correlation
url https://doi.org/10.1186/s12903-023-02927-x
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