DENTAL İMPLANT ÖLÇÜLERİNİN YORULMA DAVRANIŞINA ETKİSİ: SAYISAL BİR YAKLAŞIM

Yıl 2018, Cilt: 23 Sayı: 3, 249 - 260, 31.12.2018

Hüsna Topkaya Mete Onur Kaman

https://doi.org/10.17482/uumfd.299899

Cited By: 5

Öz

Bu çalışmada implant şeklinin yorulma
davranışına etkisi sonlu elemanlar metoduyla araştırılmıştır. İmplant malzemesi
olarak Ti6Al4V kullanılmıştır. Çalışmada diş dibi kalınlığı, diş üstü
kalınlığı, diş yüksekliği, diş hatvesi, implant boyu, implant çapı, pah boyu,
pahın yarı çapı ve oyuk boyu değerlerinin değişiminin implant ömrüne etkisi
araştırılmıştır. Modeller ISO 14801 standardında belirtilen kriterlere göre ANSYS
programında yorulma analizine tabi tutulmuştur. Sonuçta dental implantların
yorulma davranışını en çok etkileyen boyut değerlerinin implant çapı ve implant
boyu olduğu görülmüştür. İmplant vidası yorulma ömrü üzerindeki en etkili
parametreler hatve ve diş yüksekliğidir.

Anahtar Kelimeler

Dental İmplant, Yorulma, Sonlu Elemanlar Metodu, ISO 14801

Effect of Dental Implant Dimensions on Fatigue Behaviour: A Numerical Approach

Öz

In this study, the effect of the implant shape
on fatigue behaviour was investigated with the finite element method. The
implant material used was Ti6Al4V.  The
examination focus on the effect on the implant life with respect to changes in
the crest and root dimension, thread depth, thread pitch, implant length,
implant diameter, chamfer length, chamfer radius, and groove length to implant
length ratio. Models were subjected to fatigue analysis according to ISO 14801
standard with ANSYS finite element software. The mean stress correction theory
is chosen in fatigue life solutions.  As
a result, the parameters seen to have the most effect on dental implant fatigue
behaviour were the implant length and diameter. The parameters with the most
effect on the implant screw fatigue were pitch and the height of the tooth.

Anahtar Kelimeler

Dental implant, Fatigue, Finite element method, ISO 14801

Kaynakça

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