Deformations at the craniofacial complex depending on the HYRAX device design

• Autorzy: Bosiakov S. , Vinakurava A. , Dosta A.

Identyfikatory

DOI

10.7862/rm.2015.1

Warianty tytułu

PL

Wpływ rodzaju aparatu HYRAX na odkształcenia zespołu czaszkowo-twarzowego

• Języki publikacji: EN

Abstrakty

EN

Finite element analysis of the stress-strain state of a human skull after the expansion of the maxilla with using different designs orthodontic appliance HYRAX was carried out. Finite element model of craniofacial complex and supporting teeth are obtained on the basis of tomographic data. An orthodontic appliance differs by the localization of the screw relative to the palate. The design with location of the rods and screw of device in the same horizontal plane as well as the design with the location of the screw at the 8 mm closer to the palate relative to the horizontal localization are considered. Deformations at the intact skull and a skull with a cleft palate were derived. The regions of the largest deformations of the skull bone structures are defined for different orthodontic device designs. Effect of the orthodontic device design on displacements of the supporting teeth is analyzed. The results can be used to design devices HYRAX for the orthodontic correction and treatment of the cross-bite patients.

PL

Analizę stanu naprężeń oraz odkształceń ludzkiej czaszki po rozszczepie szczęki górnej za pomocą różnych aparatów ortodontycznych wykonano za pomocą metody elementów skończonych. Model numeryczny MES zespołu twarzowo-czaszkowego oraz zębów podporowych uzyskano na podstawie danych tomograficznych. Przyrządy ortodontyczne różnią się lokalizacją śruby względem podniebienia. Uwzględniano konstrukcję złożoną z prętów i śrub w tej samej płaszczyźnie poziomej oraz konstrukcję ze śrubą zlokalizowaną 8 mm bliżej podniebienia względem lokalizacji poziomej. Otrzymano odkształcenia w nienaruszonej czaszce oraz w czaszce z rozszczepieniem podniebienia. Miejsca największych odkształceń struktury kości czaszki zdefiniowano dla różnych projektów aparatów ortodontycznych. Analizowano wpływ konstrukcji aparatu ortodontycznego na przemieszczenia zębów podporowych. Wyniki mogą być wykorzystane w projektowaniu aparatów HYRAX do ortodontycznej korekcji i w leczeniu pacjentów ze zgryzem krzyżowym.

Słowa kluczowe

EN

intact skull; palate cleft; HYRAX device; stress-strain state

PL

czaszka nienaruszona; rozszczep podniebienia; aparat HYRAX; stan naprężeniowo-odkształceniowy

• Wydawca: Oficyna Wydawnicza Politechniki Rzeszowskiej
• Czasopismo: Zeszyty Naukowe Politechniki Rzeszowskiej. Mechanika
• Rocznik: 2015
• Tom: z. 87 [291], nr 1
• Strony: 5--15
• Opis fizyczny: Bibliogr. 28 poz., rys., tab.

Twórcy

autor

Bosiakov S.

• Belarusian State University, 4 Nezavisimosti Avenue, 220030 Minsk, Belarus

autor

Vinakurava A.

• Rzeszow University of Technology

autor

Dosta A.

• Belarusian State Medical University

Bibliografia

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