Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Finite Element Analysis (FEA) Of a Premaxillary Device: A New Type of Subperiosteal Implant to Treat Severe Atrophy of the Maxilla

Alessandro Cipollina
ORCID logo ,
Mario Ceddia
,
Natalia Di Pietro
* ORCID logo ,
Francesco Inchingolo
ORCID logo ,
Margherita Tumedei
,
Tea Romasco
ORCID logo ,
Adriano Piattelli
,
Alessandro Specchiulli
,
Bartolomeo Trentadue
ORCID logo
Version 1 : Received: 15 June 2023 / Approved: 15 June 2023 / Online: 15 June 2023 (13:17:24 CEST)

A peer-reviewed article of this Preprint also exists.

Cipollina, A.; Ceddia, M.; Di Pietro, N.; Inchingolo, F.; Tumedei, M.; Romasco, T.; Piattelli, A.; Specchiulli, A.; Trentadue, B. Finite Element Analysis (FEA) of a Premaxillary Device: A New Type of Subperiosteal Implant to Treat Severe Atrophy of the Maxilla. Biomimetics 2023, 8, 336. Cipollina, A.; Ceddia, M.; Di Pietro, N.; Inchingolo, F.; Tumedei, M.; Romasco, T.; Piattelli, A.; Specchiulli, A.; Trentadue, B. Finite Element Analysis (FEA) of a Premaxillary Device: A New Type of Subperiosteal Implant to Treat Severe Atrophy of the Maxilla. Biomimetics 2023, 8, 336.

Abstract

Extreme atrophy of the maxilla poses still challenging for the clinicians. Some of the techniques used could be complex, risky, expensive, time consuming and should be performed, preferably, only by skilled surgeons. Most the commonly used techniques have been reported to have very high success percentages; however, sometimes complications may occur. In this regard, Premaxillary Device (PD) is a technique that has been devised to render more simple the reconstruction of extremely atrophic maxilla, trying to avoid more complicated and risky surgical procedures. Finite Element Analysis (FEA) allows evaluation of several differen aspects of dental implant biomechanics. Our results showed that the use of PD allows an optimal distribution of the stresses on the basal bone, avoiding tension peaks that could determine bone resorption or, even, implant failure. ANSYS has been used to perform this type of localized finite element analysis; with this type of analysis, it was possible to analyze the peri-crestal area of the plant more precisely and the PD through a more accurate reconstruction of the mesh element, which allowed us to mathematically solve the FEA solution. A most favorable biomechanical behavior has been found for the materials such as titanium alloys and reduce stress levels for bone, implants, screws, and abutments. Moreover, the stress values did not exceed bone strength limits for basal bone and titanium alloy. In conclusion, from a biomechanical point of view, PD could be considered a viable alternative for rehabilitation of severe atrophic maxilla.

Keywords

maxilla atrophy; axillary rehabilitation; sinus augmentation; pterygoid implants; zygomatic implants

Subject

Medicine and Pharmacology, Dentistry and Oral Surgery

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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