Finite Element Analysis of Stress in Dental Bridge with Implant

The objective of this research was to investigate dental bridges with and without implants. Threedimensional (3D) mandible models were reconstructed by computer tomography (CT) to simulate biting behaviors. The dental implant is an important factor in dental bridge applications. Several studies have investigated finite element models for dental implants; however, few have examined a model for dental bridge with implant. The results revealed that stress was significantly increased when dental bridge was used with implant. Moreover, the dental bridge with implant group demonstrated a relatively big stress in mandible, which was 4.01% lower compared with that of the control group. Dental bridge would be an effective means of recovering dental performance. However, the present research stated that the implant of dental bridge has a potential to increase abnormal stress, and uniformly distributing stress in the dental bridges.

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Development of Effects on Chewing with Mandibular Fixed Dental Bridges with Implants via Finite Element Method

Journal of Biomaterials and Tissue Engineering ◽

10.1166/jbt.2020.2380 ◽

2020 ◽

Vol 10 (8) ◽

pp. 1071-1076

Author(s):

Yun-Ting Liu ◽

Han-Yi Cheng

Keyword(s):

Finite Element Method ◽

Finite Element ◽

Dental Implants ◽

Dental Implant ◽

Computer Tomography ◽

Effective Means ◽

Oral Environment ◽

Present Group ◽

Element Method

The aim of the present research was to evaluate the biomechanics of dental bridge with and without implant. Oral models were reconstructed by 3D computer tomography images to simulate oral environment. The stress is an important role in dental bridge applications for osseointegration. Many studies have investigated finite element researches for dental implants; however, few have evaluated a model for dental bridge with and without implant. The results revealed that abnormal focusing stress was found when dental bridge was used with implant. Moreover, the unbalance situation was found on the model with only one implant, the highest stress appeared in the present group. Dental bridge with implants would be an effective means of recovering dental performance. However, the present study showed that if only one pier with dental implant in bridge treatment has a potential to increase abnormal stress, and uniformly distributing stress.

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Effect of design parameters of dental implant on stress distribution: a finite element analysis

International Journal of Engineering & Technology ◽

10.14419/ijet.v9i3.30520 ◽

2020 ◽

Vol 9 (3) ◽

pp. 621

Author(s):

Pooyan Rahmanivahid ◽

Milad Heidari

Keyword(s):

Finite Element Analysis ◽

Finite Element ◽

Stress Distribution ◽

Dental Implants ◽

Dental Implant ◽

Cancellous Bone ◽

Design Parameters ◽

Element Analysis ◽

Small Surface ◽

Design Factors

Nowadays, root osseointegrated dental implants are used widely in dentistry mainly for replacement of the single missing tooth. The success rate of osseointegrated dental implants depends on different factors such as bone conditions; surgery insertion technique, loading history, and biomechanical interaction between jawbone and implant surface. In recent years, many studies have investigated design factors using finite element analysis with a concentration on major parameters such as diameter, pitch, and implant outlines in the distribution of stress in the bone-implant interface. There is still a need to understand the relationship and interaction of design factors individually with stress distribution to optimize implant structure. Therefore, the present study introduced a new dental implant and investigated the effect of design parameters on stress distribution. The finite element modeling was developed to facilitate the study with a comparison of design parameters. Boundary and loading conditions were implemented to simulate the natural situation of occlusal forces. Based on results, V-shape threads with maximum apex angle caused a high rate of micro-motion and high possibility of bone fracture. Low Von-Mises stress was associated with low bone growth stimulation. Besides, small fin threads did not integrate with cancellous bone and consequently lower stress accommodation. V-5 fin had no extraordinary performance in cancellous bone. Small surface areas of fins did not integrate with the surrounding bone and high-stress concentration occurred at the tail. These fins are recommended as threads replacement. It was concluded that the implant structure had less influence on stress distribution under horizontal loading.

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The Effect of Bone Modulus on the Stress Distribution in a Dental Implant: A 3D Finite Element Analysis

Advances in Bioengineering ◽

10.1115/imece2002-32595 ◽

2002 ◽

Author(s):

Dinc¸er Bozkaya ◽

Sinan Mu¨ftu¨

Keyword(s):

Mechanical Properties ◽

Finite Element Analysis ◽

Finite Element ◽

Stress Distribution ◽

Dental Implants ◽

Dental Implant ◽

Distribution Characteristics ◽

Element Analysis ◽

3D Finite Element

The long-term success of dental implants depends, in part, on the stress distribution created in the bone, when the implant is loaded by biting forces. In this presentation, we present our findings on the stress distribution characteristics of a dental implant by varying bone mechanical properties surrounding the implant.

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