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3D finite element analysis of micromovements in ultra-short implants

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Journal name: Journal of Indian Society of Periodontology
Original article title: Analysis of micromovements and peri-implant stresses and strains around ultra-short implants � A three-dimensional finite-element method study
The Journal of Indian Society of Periodontology (JISP) publishes original scientific articles on periodontology (the study of supporting structures of teeth) and oral implantology. It is a bimonthly open-access journal with special issues for specific occasions.
This page presents a generated summary with additional references; See source (below) for actual content.

Original source:

This page is merely a summary which is automatically generated hence you should visit the source to read the original article which includes the author, publication date, notes and references.

Author:

Nida Sumra, Shrikar Desai, Rohit Kulshrestha, Khusbhu Mishra, Raahat Vikram Singh, Prachi Gaonkar


Journal of Indian Society of Periodontology:

(A bimonthly open-access journal)

Full text available for: Analysis of micromovements and peri-implant stresses and strains around ultra-short implants � A three-dimensional finite-element method study

Year: 2021 | Doi: 10.4103/jisp.jisp_350

Copyright (license): CC BY-NC-SA


Summary of article contents:

Introduction

The success of dental implants heavily relies on their placement within the bone and the effective distribution of stress and strain to surrounding structures under occlusal forces. Factors such as implant size, shape, and bone quality significantly influence the formation and distribution of these stresses. Particularly, the study focuses on ultrashort implants (5 mm) with varying diameters (4 mm, 5 mm, and 6 mm) and evaluates the implications of placing these implants in D4 bone quality regions, where challenges related to stress distribution and micromovements are critical for long-term success.

Impact of Implant Diameter and Thread Design on Stability

One crucial finding of the study highlights the influence of implant diameter and thread shape on peri-implant stresses, strains, and micromovements. Specifically, the results indicated that wider diameters (6 mm) led to significantly lower values of peri-implant Von Mises stresses, strains, and micromovements compared to narrower diameters (4 mm). Among different thread designs, square threads demonstrated the most favorable mechanical properties, resulting in minimal stress and strain values, thus enhancing biomechanical stability. This suggests that ultrashort implants with wider diameters and optimized thread shapes could offer better outcomes in the context of atrophic ridges or complicated anatomical situations.

Conclusion

The study concludes that utilizing ultrashort implants measuring 5 mm in length but varying in diameter can significantly improve their mechanical performance, particularly in D4 bone quality areas. The investigation demonstrates that increasing the diameter reduces peri-implant stresses and micromovements, thereby enhancing stability. The square thread design was highlighted as the most effective for minimizing stress and strain. The findings underscore the importance of thoughtful implant design choices to optimize clinical outcomes, warranting further research on immediate loading scenarios and additional thread configurations for enhanced implant efficacy.

FAQ section (important questions/answers):

What factors influence the success of dental implants?

The success of dental implants depends on factors like surgical technique, implant morphology, host factors, surface biocompatibility, and loading conditions. Proper implant choice and placement are also critical for optimal osseointegration.

How does implant diameter affect stress distribution?

Increasing implant diameter generally reduces peri-implant stresses, strains, and micromovements. In the study, the 6 mm diameter implants showed the least stress and micromotion compared to the smaller diameters.

What role do thread designs play in implant stability?

Thread design significantly affects implant stability. The square thread exhibited lower stresses and better micromovement parameters, making it more favorable compared to triangle or acme threads in the study.

What are the implications of micromovement on osseointegration?

Excessive micromovement can interfere with osseointegration, the process by which the implant bonds with bone. Successful healing requires keeping micromovements below the threshold of 150 μm.

Why are ultrashort implants important in dental restoration?

Ultrashort implants are crucial for restoring severely resorbed bone areas where conventional implants may not fit. They minimize the need for invasive bone grafting or other extensive surgical procedures.

Glossary definitions and references:

Scientific and Ayurvedic Glossary list for �3D finite element analysis of micromovements in ultra-short implants�. This list explains important keywords that occur in this article and links it to the glossary for a better understanding of that concept in the context of Ayurveda and other topics.

1) Table:
The word 'Table' refers to a structured arrangement of data and statistics used to present research findings clearly and concisely. In academic writings, especially in scientific studies, tables help summarize large amounts of information, making it easier to comprehend complex relationships and trends, as seen in the results of the implant study.

2) Study (Studying):
The term 'Study' signifies a systematic investigation aimed at understanding a particular phenomenon. In scientific contexts, it often implies rigorous methodology, data collection, analysis, and interpretation. The referenced study evaluates the stresses, strains, and micromovements associated with different dental implants, contributing to knowledge in dental implantology.

3) Mise:
The term 'Mise' relates to 'Von Mises stress,' a crucial concept in mechanics and engineering. It refers to a specific criterion used to evaluate whether a material will yield or fracture under applied loads. In the context of dental implants, it helps assess the mechanical integrity and stability of the implants under stress.

4) Quality:
Quality is integral in evaluating bone and implant performance, often relating to factors like density, structure, and mechanical behavior. The study discusses D4 bone quality, which is characterized by low density and strength, impacting implant success rates. Quality thus dictates the choice of implant dimension and design.

5) Surface:
The word 'Surface' pertains to the outermost layer of a material. In the context of dental implants, surface characteristics are critical for osseointegration, as they influence how well the implant bonds with the surrounding bone. Different surface treatments can enhance the biological response and improve stability.

6) Surrounding:
Surrounding refers to the tissue and structures adjacent to an implant, such as bone and soft tissue. Understanding the surrounding environment is essential for predicting how an implant will behave under load. In dental implant studies, analyzing the surrounding bone attributes helps in assessing stabilities, like the stress distribution.

7) Rules:
In scientific research, rules often pertain to the established principles that govern experimental design, data collection, and analysis. These rules ensure that the findings are credible and reproducible. The study's adherence to specific mechanical testing rules illustrates its scientific rigor, enabling meaningful comparisons and results interpretation.

8) Pur:
The term 'Poor' is relevant in discussing low-quality bone, which poses significant challenges in implantology. Poor bone quality is associated with higher failure rates for dental implants. Identifying and addressing these deficiencies through design modifications or alternative surgical approaches is critical to enhance treatment outcomes.

9) Chun:
Chun is a reference to an author whose study contributes significantly to the current understanding of implant stress distributions. By analyzing variations in design and loading conditions, Chun's findings support the exploration of implant configurations and their mechanical implications in clinical practice, particularly in ensuring successful osseointegration.

10) Raghavendra:
Raghavendra represents an author whose research underscores the biological processes influencing osseointegration post-implantation. The sequence of cellular events initiated by serum proteins and mesenchymal cells highlights the complexity of healing, signifying that both biomechanical and biological factors are critical for implant success and the overall treatment outcome.

11) Calculation:
Calculation refers to the mathematical processes involved in analyzing data, critical in scientific studies to derive meaningful conclusions. In the context of the study, calculations are essential for determining stresses, strains, and micromovements exerted on implants under various loading conditions, ensuring accurate and relevant results.

12) Measurement:
Measurement involves quantifying physical properties or characteristics. In this study, precise measurement of stresses, strains, and micromovements around implants is essential for assessing their mechanical performance. Reliable measurement ensures that conclusions drawn about the implants' effectiveness and stability are scientifically valid and actionable in clinical settings.

13) Discussion:
Discussion refers to a section in research that interprets results and considers their implications in the broader context. It synthesizes findings from the study, relates them to existing literature, and analyzes their significance in dental implantology. This enhances understanding of mechanical behavior and informs future research directions.

14) Relative:
Relative relates to examining aspects in comparison with others. In this context, it focuses on how various implant designs and dimensions influence stress and strain behaviors. Understanding relative performance among different parameters allows researchers to identify optimal characteristics for implants, which is vital for enhancing clinical outcomes.

15) Grafting:
Grafting refers to surgical techniques used to augment bone volume, often required when there is insufficient bone for implant placement. While this study primarily assesses implants in existing bone quality, understanding grafting procedures is crucial in the broader context of implantology for enhancing implant success in complex cases.

16) Animal:
Animal refers to research involving non-human subjects for safety testing or biological study. In implant research, animal studies can provide preliminary data on osseointegration and mechanical performance before human applications. They help validate findings and improve methods used in clinical practice, increasing reliability and patient outcomes.

17) Chang:
Chang is likely another author whose work contributes to the understanding of specific aspects of dental implants, such as their stress patterns. By referencing Chang's findings, the study adds credibility and builds on previous knowledge, fostering a robust framework for evaluating the mechanical dynamics of implants in clinical scenarios.

Other Science Concepts:

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Discover the significance of concepts within the article: �3D finite element analysis of micromovements in ultra-short implants�. Further sources in the context of Science might help you critically compare this page with similair documents:

Anatomical structure, Biocompatibility, Cortical bone, Cancellous bone, Mechanical loading.

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