Turkiye Klinikleri Journal of Dental Sciences

.: ORIGINAL RESEARCH
An Investigation of Maxillo-Mandibular Development in the Cases with Different Vertical Face Pattern
Farklı Vertikal Yüz Gelişimine Sahip Bireylerde Maksiller-Mandibular Gelişimin İncelenmesi
Barçın ERÖZ DİLAVERa, Ayşegül SİVRİKAYA İNANa, Elif Bahar TUNAb
aRecep Tayyip Erdoğan Üniversitesi Diş Hekimliği Fakültesi, Ortodonti ABD, Rize, TÜRKİYE
bİstanbul Üniversitesi Diş Hekimliği Fakültesi, Çocuk Diş Hekimliği ABD, İstanbul, TÜRKİYE
Turkiye Klinikleri J Dental Sci. 2021;27(3):413-9
doi: 10.5336/dentalsci.2020-78151
Article Language: EN
Full Text
ABSTRACT
 Objective: The normal mandibular and maxillary growth is essential for a balanced facial development. The aim of present study was to investigate the relationship between different vertical facial growth patterns and the transversal-sagittal development of the jaws. Material and Methods: A total of 45 individuals with Class I (n=15) (0<ANB<4); Class II (n=15) (4<ANB) and Class III (n=15) (ANB<0) skeletal relationship were included in this study. Cases were divided into 3 groups according to SN-GoGn angle. Group 1: High angle (n=15) (SNGoGn>32), Group 2: Linear (n=15) (28<SNGoGn<32), Group 3: Low angle 15 (n=15) (SNGoGn<28). The ageof the cases ranged from 10 to 15 years. Material consisted of cephalometric films and tracing model. Lineer measurements from orthodontic models were done. Anova, post.hoc, pearson korelasyon were used to analyzed intergroups relation. Anova, post.hoc, pearson korelasyon were used to analyzed intergroups relation. Results: There was a statistically significant difference between the groups in the p1- p2 (p<0.05) and SNGoMe, FMA, NGoMe, Jarabak (p<0.01). FMA, SNGoMe, NGoMe were statistically correlated with each other (p<0.01) and Jarabak had a statistically negative correlation with these angles (p<0.01). In the analysis performed by post hotch Tukey test, it was seen that the difference in the upper p1-p2 (A), the upper p1- p2 central dimensional measurements (C) was due to the high angle group (p<0.05). SNGoMe, NGoMe angles and Jarabak ratio statistically significant differences were found in all the groups (p<0.05). Conclusion: In increased vertical growth pattern, while the transversal distance between maxillar premolars (A) was decreasing; the perpendicular distance between midpoint of central incisors to A line was increased.

Keywords: Maxillary morphology; mandibular morphology; vertical facial growth
ÖZET
 Amaç: Dengeli yüz gelişimi için maksiller ve mandibular büyüme uyum içerisinde olmalıdır. Bu çalışmada, bireylerin farklı vertikal yüz büyüme paternleriyle çenelerinin transversal ve sagittal yöndeki gelişimlerinin ilişkisinin incelenmesi amaçlanmıştır. Gereç ve Yöntemler: Class I (n=15) (0<ANB<4); Class II (n=15) (4<ANB) ve Class III (n=15) (ANB<0) iskeletsel ilişkiye sahip olan toplam 45 birey olarak çalışmaya dâhil edilmiştir. SNGoGn açısına göre bireyler 3 gruba ayrılarak incelenmiştir. Grup 1: Artmış yüz yüksekliği (n=15) (SNGoGn>32); Grup 2: Normal yüz yüksekliği (n=15) (28<SNGoGn<32); Grup 3: Azalmış yüz yüksekliği (n=15) (SNGoGn<28) olan bireylerden oluşmaktadır. Çalışmaya katılan hastaların yaş aralığı 10-15 yıl arasındadır. Standart şartlarda hastalardan alınan lateral sefalometrik filmlerde 5 açısal ölçüm yapılmıştır. Hastaların ortodontik base modellerinden de boyutsal ölçüm yapılmıştır. Gruplar arası etkileşimde Anova, post hoc, pearson korelasyon analizi uygulandı. Gruplar arası etkileşimde Anova, post.hoc, pearson korelasyon analizi uygulandı. Bulgular: ANOVA testiyle gruplar arasında üst p1-p2 (üst 1. premolar fossaları arası transvers uzaklık) uzaklık ölçümü (p<0,05) oranında; SNGoMe, FMA, NGoMe açıları ve Jarabak oranı (p<0,01) düzeyinde anlamlı farklar bulunmuştur. Farklı dik yön gruplarıyla FMA ve NGoMe açıları arasında (p<0,01) pozitif korelasyon bulunurken; Jarabak oranıyla bu açılar arasında (p<0,01) istatistiksel olarak negatif korelasyon tespit edilmiştir. 'Post hoc' Tukey testiyle yapılan analizde uzun yüz paternine sahip grupta üst (p1-p2) (A), üst (p1-p2) santral (C) boyutsal ölçümleri (p<0,05) oranında istatistiksel olarak anlamlı farklılıklar bulunmuştur. SNGoMe, NGoMe açılarında ve Jarabak oranında tüm gruplarda istatistiksel olarak anlamlı farklılıklar tespit edilmiştir (p<0,05). Sonuç: Artmış dik yön yüz gelişimi olan grupta transversal yönde üst çenede 1. premolarlar arası mesafede (A) azalırken, maksiller molarlar arası mesafeye üst orta kesici dişlerin kontak noktasından indirilen ön uzunlukta (C) ise artmıştır.

Anahtar Kelimeler: Maksiller morfoloji; mandibular morfoloji; dik yön gelişim
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