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A review of additive manufacturing in conservative dentistry and endodontics part 1: basic principles

From Volume 46, Issue 2, February 2019 | Pages 125-132

Authors

Peddi Shanmukh Srinivas

Postgraduate Student, Department of Conservative Dentistry and Endodontics, JSS Dental College and Hospital, Jagadguru Shree Shivaratheeshwara University, Mysuru, India

Articles by Peddi Shanmukh Srinivas

TS Ashwini

Postgraduate Student, Department of Conservative Dentistry and Endodontics, Maratha Mandal's Nathajirao G Halgekar Institute of Dental Sciences, Belgaum, Karnataka, India

Articles by TS Ashwini

MG Paras

Faculty, Department of Conservative Dentistry and Endodontics, JSS Dental College and Hospital, Jagadguru Shree Shivaratheeshwara University, Mysuru, India

Articles by MG Paras

Abstract

Abstract: The field of science and research is dynamic and the scientific discipline of restorative dentistry and endodontics is no exception. The practice of dentistry and the technology involved has evolved tremendously from the traditional to the contemporary. As a result of continual developments in technology, newer cutting edge methods in production and treatment have evolved. This paper explores the scope of additive manufacturing technology in restorative dentistry and endodontics, progress achieved in this field, practicality hurdles, and a promising future that this technology might provide if harnessed to its full potential.

CPD/Clinical Relevance: This paper gives an update on current concepts of additive manufacturing being employed in the field of restorative dentistry and endodontics for clinical practice, academic progress and translational research.

Article

An extensive electronic search was performed of articles on PubMed from 1990 to 2017. Key words such as ‘Additive printing’, ‘3D-bioprinting’, ‘CAD CAM’, ‘Rapid prototyping’ and ‘Restorative dentistry’ were used alone or in combination to search the database. The option of ‘related articles’ was also utilized. Finally, a search was performed of the references of review articles and the most relevant clinical research papers.

In recent times, the use of CAD/CAM in dentistry has been synonymous with the rapid production of dimensionally accurate prostheses thereby omitting tedious laboratory procedures. Most of the current methods using CAD/CAM fabrication techniques in dentistry have concentrated on milling from a solid block of material (ie subtractive manufacturing). However, this method of manufacturing comes with some inherent limitations such as:

Considering the limitations, in the near future one can expect a major transition from making prostheses by subtractive manufacturing to what is referred to as additive manufacturing. Additive manufacturing processes were traditionally used to make prototypes or models and thus it had its origin in rapid prototyping (RP).

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