Are morphological and morphometric characteristics of maxillary anterior region and nasopalatine canal related to each other?

Mağat, Güldane; Akyüz, Mehmet

doi:10.1007/s11282-022-00647-6

Cited by 3 publications

(2 citation statements)

References 54 publications

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“…Some scholars have found that there are gender differences in the shape of the incisor canal, mainly manifested as the wider diameter and longer length of the male incisor canal 24 . However, some scholars hold the opposite view and believe that there is no obvious relationship between the shape of IC and gender 35,36 . Al-rokham et al 23 found that compared with females (62.9%), only 56.5% of male patients had the diameter of IC larger than the distance between the roots of bilateral upper central incisors.…”

Section: Gender and Agementioning

confidence: 99%

Influencing factors of maximum retraction of maxillary central incisor and its clinical significance in orthodontic treatment

Yunxin,

weidong

2022

IJASR

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The position of the maxillary central incisor (MCI) directly affects the appearance of the patient's profile. For patients with bimaxillary protrusion or maxillary protrusion, orthodontic treatment often adopts a large number of retractions of the maxillary anterior teeth to improve the profile. However, the retraction of MCI is limited, and the maximum retraction depends on the distance between the root of MCI and the incisor canal(IC). This distance is not a constant value and is affected by many factors. This article reviews the influencing factors of the maximum retraction of MCI and its clinical significance in orthodontic treatment.

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Section: Gender and Agementioning

confidence: 99%

Influencing factors of maximum retraction of maxillary central incisor and its clinical significance in orthodontic treatment

Yunxin,

weidong

2022

IJASR

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“…However, their results are ambiguous. Some studies [8][9][10][11][12][13][14][15][16][17][18][19] indicated a significant impact of sex, age, and growth direction on the anatomical and morphometric features of the canal, supporting the need to consider the risk of complications when planning orthodontic and surgical interventions involving the anterior maxilla. However, others [6,7,20] have not shown such a relationship.…”

Section: Introductionmentioning

confidence: 99%

Morphological Evaluation of the Incisive Canal in the Aspect of the Diagnosis and Planning of Orthodontic Treatment—CBCT Study

Kuc,

Kotuła,

Nawrocki

et al. 2023

Applied Sciences

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Background: Understanding the anatomy of the incisive canal is crucial for effective diagnosis and treatment planning in clinical orthodontics. This is because, during orthodontic tooth movement, there is a risk of contact between the roots of the upper central incisors and the incisive canal. Objective: The aim of this study was to assess the anatomical variability of the incisive canal using cone beam computed tomography (CBCT), as well as to evaluate its correlation with age, sex, and the position of the maxillary central incisors. There are only a few studies on this topic. Materials and methods: We analysed CBCT data from 67 patients aged from 13 to 49 years. This study was conducted at the Wroclaw Medical University. Measurements were performed twice by two independent researchers, and intra-observer error and correlation were calculated. The mean difference between the first and second observations and between observers was also assessed. We examined the dimensions of the incisive canal and its relationship to the roots of the upper central incisors in relation to age and gender. Results: Our study results revealed a significant correlation between the width and length of the incisive canal. Males exhibited a significantly greater canal length at the lowest point of the incisive canal on the palatal wall. Additionally, males had wider canals compared to females. The analysis of canal width and distance between the most mesial point of the root and the line passing through the most anterior point of the incisive canal showed a negative correlation in all age groups of men. The analysis of incisal inclination and incisal canal inclination showed a very strong relationship, especially in the age group of 13 to 20 years. Several potential risk groups of contact between the roots of central incisors and the incisive canal have been identified based on their structure and the planned incisors’ orthodontic movement. Conclusions and implications: Knowledge of the anatomy of the incisive canal and the use of 3D imaging in high-risk patients can prevent resorption of the incisor root by considering the individual anatomical conditions of the patient when planning orthodontic tooth movement. We recommend performing a CBCT scan before starting orthodontic treatment in the case of moderate and significant retraction of the incisors, or a significant change in their inclination due to the wide anatomical diversity of the incisive canal, especially in adult patients.

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Yetki̇n Yaşli Şəxslərdə Üz Kəlləsi̇ni̇n Krani̇ometri̇k Göstəri̇ci̇ləri̇ni̇n Xüsusi̇yyətləri̇

Сосонная,

Остапчук,

Юревич

et al. 2023

Azerbaijan Medical Journal

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Представленные результаты исследования проведены с целью определение особенностей краниометрических показателей лицевого черепа зрелого возраста по данным компьютерной томографии. Под исследование попали 40 человек мужского (20) и женского (20) пола от 44 до 60 лет, при спи-рально-компьютерной томографии – которым проводилось в связи с причинами, не связанными с патологией костей черепа (подозрение на инсульт, которое не подтведилось). Исследовались череп-ной индекс, верхний лицевой индекс, ширина лба. В ходе выполнения работы определено, что среднее значение черепного индекса равнялось 77,3±1,85%. Показатели верхнего лицевого индекса составляли 53,37±3,57%, а средняя ширина лба составляла 13,75±0,5х10-2м. Для подавляющего большинства женщин была характерна мезокрания (95% исследуемых). Лишь у 5% определялась долихокрания. Среднее значение черепного индекса для этих женщин равнялось 78,1%. Среднее значение верхнего лицевого индекса составляло 53,37±3,57%. Эти показатели строения лицевого черепа могут быть полезными при планировании оперативных вмешательств в области лицевого черепа, позволяя более точно анализировать индивидуальные особенности пациентов и определять оптимальные подходы к хирургическому лечению. Məqalədə yetkin yaşlı şəxslərdə üz kəlləsinin kraniometrik göstəricilərinin kompüter-tomoqrafiya vasitəsilə tədqiqinin nəticələri təqdim edilmişdir. Tədqiqata kəllə sümüklərinin zədələnmələri ilə əlaqədar olmayan (insulta şübhə olan, lakin diaqnozu təsdiq edilməyən, səbəblərə görə KT müayinəsi aparılmış, yaşı 44-dən 60-a qədədr olan 40 nəfər (20 qadın, 20 kişi) cəlb edilmişdir. Kəllə indeksi, yuxarı üz indeksi və alının eninə ölçüsü tədqiq edilmişdir. Tədqiqat göstərmişdir ki, kraniometrik göstəricilərdən - kəllə indeksi 77,3±1,85%-ə, üz indeksinin qiyməti isə 13,75±3,57%-ə, alının eni isə 15±0,5x102 m-ə bərabərdir. Qadınların böyük əksəriyyətinin (95 %) kəllə quruluşu mezokraniya xarakterli olmuş, yalnız 5%-də dolixokraniya müşahidə edilmişdir. Bu qadınlar üçün yuxarı kəllə indeksinin qiyməti 78,1 % idi. Müəlliflərin fikrincə, kəllə strukturunun bu göstəricilərinin öyrənilməsi həmin sahəyə cərrahi müdaxilələrin planlaşdırılması zamanı faydalı ola bilər. Çünki bu, operativ müdaxilələr zamanı xəstənin fərdi xüsusiyyətlərini nəzərə almağa və müdaxilə prosesinin planlaşdırılmasına optimal yanaşmaya imkan verər. The presented results of the study were conducted to determine the features of the craniometric indicators of the facial skull in mature individuals based on computer tomography data. A total of 40 participants, comprising 20 men and 20 women aged between 44 and 60 years, were included in the study. CT scans were performed on these individuals, and the following cranio-metric parameters were examined: cranial index, upper facial index, width of the upper jaw, and maximum width of the forehead. During the study, it was found that the average cranial index was 77.3±1.85%. The upper facial index showed values of 53.37±3.57%, while the average width of the forehead was 13.75±0.5x10-2 m. Among the female participants, the majority exhibited a mesocranial type of skull (95% of individuals), with only 5% having a dolichocranial type. The average cranial index for these women was 78.1%. The mean cranial index for the entire sample remained consistent at 77.3±1.85%. Additionally, the mean upper facial index was 53.37±3.57%. The upper facial index is indicative of the ratio of the width of the upper face to its length and serves as a valuable tool for analyzing facial profiles. The average forehead width measured 13.75±0.5 x 10-2 m. These facial skull structure indicators can prove valuable in the planning of surgical interventions within the facial skull region, enabling a more precise analysis of individual patient characteristics and the determination of optimal surgical approaches.

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Are morphological and morphometric characteristics of maxillary anterior region and nasopalatine canal related to each other?

Cited by 3 publications

References 54 publications

Influencing factors of maximum retraction of maxillary central incisor and its clinical significance in orthodontic treatment

Influencing factors of maximum retraction of maxillary central incisor and its clinical significance in orthodontic treatment

Morphological Evaluation of the Incisive Canal in the Aspect of the Diagnosis and Planning of Orthodontic Treatment—CBCT Study

Yetki̇n Yaşli Şəxslərdə Üz Kəlləsi̇ni̇n Krani̇ometri̇k Göstəri̇ci̇ləri̇ni̇n Xüsusi̇yyətləri̇

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