دورية أكاديمية
أعرض في EDS

The Stability of Hydroxyapatite/Poly-L-Lactide Fixation for Unilateral Angle Fracture of the Mandible Assessed Using a Finite Element Analysis Model.

التفاصيل البيبلوغرافية
العنوان: The Stability of Hydroxyapatite/Poly-L-Lactide Fixation for Unilateral Angle Fracture of the Mandible Assessed Using a Finite Element Analysis Model.
المؤلفون: Park B; Department of Oral and Maxillofacial Surgery, College of Medicine, University of Ulsan, Asan Medical Center, Seoul 05505, Korea., Jung BT; School of Dentistry, University of Detroit Mercy, Detroit, MI 48208, USA., Kim WH; Clinical Translational Research Center for Dental Science, Seoul National University Dental Hospital, Seoul 03080, Korea., Lee JH; Clinical Translational Research Center for Dental Science, Seoul National University Dental Hospital, Seoul 03080, Korea.; Department of Oral and Maxillofacial Surgery, School of Dentistry, Seoul National University, Seoul 03080, Korea., Kim B; Clinical Translational Research Center for Dental Science, Seoul National University Dental Hospital, Seoul 03080, Korea., Lee JH; Department of Oral and Maxillofacial Surgery, College of Medicine, University of Ulsan, Asan Medical Center, Seoul 05505, Korea.
المصدر: Materials (Basel, Switzerland) [Materials (Basel)] 2020 Jan 04; Vol. 13 (1). Date of Electronic Publication: 2020 Jan 04.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: MDPI Country of Publication: Switzerland NLM ID: 101555929 Publication Model: Electronic Cited Medium: Print ISSN: 1996-1944 (Print) Linking ISSN: 19961944 NLM ISO Abbreviation: Materials (Basel) Subsets: PubMed not MEDLINE
أسماء مطبوعة: Publication: May 2010- : Basel, Switzerland : MDPI
Original Publication: Basel, Switzerland : Molecular Diversity Preservation International, 2008-2010.
مستخلص: Recently, a hydroxyapatite particle/poly-L-lactide (HA-PLLA) composite device was introduced as an alternative to previous fixation systems. In this study, we used finite element analysis to simulate peak von Mises stress (PVMS) and deformation of bone plates and screws with the following four materials-Ti, Mg alloy, PLLA, and HA-PLLA-at a unilateral mandibular fracture. A three-dimensional virtual mandibular model was constructed, and the fracture surface was designed to run from the left mandibular angle. Masticatory loading was applied on the right first molars. Stress was concentrated at the upper part and the neck of the screw. The largest PVMS was observed for Ti; that was followed by Mg alloy, HA-PLLA, and PLLA. The largest deformation was observed for PLLA; next was HA-PLLA, then Mg alloy, and finally Ti. We could rank relative superiority in terms of mechanical properties. The HA-PLLA screw and mini-plate deformed less than 0.15 mm until 300 N. Thus, we can expect good bone healing with usual masticatory loading six weeks postoperatively. HA-PLLA is more frequently indicated clinically than PLLA owing to less deformation. If the quality of HA-PLLA fixation is improved, it could be widely utilized in facial bone trauma or craniofacial surgery.
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فهرسة مساهمة: Keywords: finite element analysis; hydroxyapatite/poly-L-lactide; unilateral angle fracture
تواريخ الأحداث: Date Created: 20200118 Latest Revision: 20240725
رمز التحديث: 20240726
مُعرف محوري في PubMed: PMC6981669
DOI: 10.3390/ma13010228
PMID: 31947998
قاعدة البيانات: MEDLINE
الوصف
تدمد:1996-1944
DOI:10.3390/ma13010228