Farklı Maloklüzyonlar ile Kafa Tabanı Açılanmaları Arasındaki İlişkinin Üç Boyutlu Değerlendirilmesi

Year 2018, , 171 - 175, 06.06.2018

İlhan Metin Dağsuyu

https://doi.org/10.17343/sdutfd.357443

Abstract

Amaç: Bu çalışmanın amacı; farklı maloklüzyonu olan
hastalarda kafa tabanı açılanmalarının konik ışınlı bilgisayarlı tomografi
(KIBT) ile değerlendirilmesidir.

Gereç-Yöntem: Anteroposterior maloklüzyonlara göre, hastalardan
elde edilen KIBT görüntüleri (135 kadın, 98 erkek, ortalama yaş: 13,05 ± 1,79) Sınıf
I, Sınıf II ve Sınıf III olarak üç gruba ayrıldı. KIBT'dan sefalometrik
görüntüler elde edildi ​​ve hastalar ANB açısına göre sınıflandırıldı. Üç
boyutlu KIBT görüntülerinde sagital, aksiyel ve koronal kafa tabanı açılanmaları
ölçüldü. Farklı anteroposterior maloklüzyonlarla kafa tabanı açılanmaları
Kruskal-Wallis istatistiksel testi ile analiz edildi.

Bulgular: Sagital kafa kaidesi ölçümleri Sınıf I, II ve III
grupları arasında anlamlı bir fark göstermedi (p> 0.05). Koronal ve aksiyel
kraniyal açı değişkenlerine göre anteroposterior maloklüzyon grupları arasında
da anlamlı farklılık yoktu (p> 0.05).

Sonuç: Elde edilen sonuçlara göre, kafa tabanı
açılanmalarının üç düzlemde de (sagital, koronal ve aksiyal) farklı
anteroposterior iskelet malokluzyonları üzerine herhangi bir etkisi bulunmamaktadır.  KIBT, anterior ve posterior kafa tabanındaki morfolojik farklılıkların
tespiti ve teşhisi için yararlı olabilir.

Keywords

Kafa Tabanı Açılanmaları, KIBT, Maloklüzyon

Three Dimensional Evaluation of Relationship Between Cranial Base Angulations and Different Malocclusions

Abstract

Aim: This
study aimed to evaluate the cranial base angulations in patients with different
malocclusions by using cone-beam computed tomography (CBCT).

Material-Methods: According to anteroposterior malocclusions, CBCT images of subjects (135 female, 98 male,
average age: 13,05±1,79 ) were divided into three groups ; Class I,
Class II and Class III. Cephalometric images were obtained from CBCT and
patients were classified according to ANB angle. Sagittal,
axial and coronal cranial base angulations were measured in three
dimensional CBCT images. Cranial base angulation with different
anteroposterior malocclusions were analyzed with the Kruskal-Wallis statistical
test.

Results: Sagittal cranial base measurements
showed no significant differences between Class I, II and III groups (p>0.05). Also
there were no significant differences between anteroposterior malocclusion
groups according to coronal and axial cranial angle variables (p>0.05).

Conclusion: According to the results, there were no effect of
cranial base angulations in three planes (sagittal, coronal and axial) on different
anteroposterior skeletal malocclusions. CBCT may be helpful for detecting and
diagnosing morphological differences in anterior and posterior cranial base.

Keywords

Cranial Base Angulations, CBCT, Malocclusion

References

• 1. Hopkin GB, Houston WJ, James GA. The cranial base as an aetiological factor in malocclusion. Angle Orthod. 1968;38(3):250-5.
• 2. Polat OO, Kaya B. Changes in cranial base morphology in different malocclusions. Orthod Craniofac Res. 2007;10(4):216-21.
• 3. Chin A, Perry S, Liao C, Yang Y. The relationship between the cranial base and jaw base in a Chinese population. Head Face Med. 2014;10:31.
• 4. Sanggarnjanavanich S, Sekiya T, Nomura Y, Nakayama T, Hanada N, Nakamura Y. Cranial-base morphology in adults with skeletal Class III malocclusion. Am J Orthod Dentofacial Orthop. 2014;146(1):82-91.
• 5. Andria LM, Leite LP, Prevatte TM, King LB. Correlation of the cranial base angle and its components with other dental/skeletal variables and treatment time. Angle Orthod. 2004;74(3):361-6.
• 6. Gong A, Li J, Wang Z, Li Y, Hu F, Li Q, et al. Cranial base characteristics in anteroposterior malocclusions: A meta-analysis. Angle Orthod. 2016;86(4):668-80. 7. Hayashi I. Morphological relationship between the cranial base and dentofacial complex obtained by reconstructive computer tomographic images. Eur J Orthod. 2003;25(4):385-91.
• 8. Afrand M, Oh H, Flores-Mir C, Lagravere-Vich MO. Growth changes in the anterior and middle cranial bases assessed with cone-beam computed tomography in adolescents. Am J Orthod Dentofacial Orthop. 2017;151(2):342-50 e2.
• 9. Dağsuyu İM, Kahraman F, Okşayan R. Three-dimensional evaluation of angular, linear, and resorption features of maxillary impacted canines on cone-beam computed tomography. Oral Radiology.1-7.
• 10. Bhattacharya A, Bhatia A, Patel D, Mehta N, Parekh H, Trivedi R. Evaluation of relationship between cranial base angle and maxillofacial morphology in Indian population: A cephalometric study. J Orthod Sci. 2014;3(3):74-80.
• 11. Kasai K, Moro T, Kanazawa E, Iwasawa T. Relationship between cranial base and maxillofacial morphology. Eur J Orthod. 1995;17(5):403-10.
• 12. Alves PV, Mazuchelli J, Patel PK, Bolognese AM. Cranial base angulation in Brazilian patients seeking orthodontic treatment. J Craniofac Surg. 2008;19(2):334-8.
• 13. Guyer EC, Ellis EE, 3rd, McNamara JA, Jr., Behrents RG. Components of class III malocclusion in juveniles and adolescents. Angle Orthod. 1986;56(1):7-30.
• 14. Thiesen G, Pletsch G, Zastrow MD, do Valle CV, do Valle-Corotti KM, Patel MP, et al. Comparative analysis of the anterior and posterior length and deflection angle of the cranial base, in individuals with facial Pattern I, II and III. Dental Press J Orthod. 2013;18(1):69-75.