Abstract
In traditional dental treatment, archwires are bent by orthodontists using standard methods. However, the standard models cater to patients with common oral problems, and are unsuitable for personalized orthodontic treatment, which is highly desired in many cases. A method to prepare a personalized archwire groove model is, undoubtedly, useful for orthodontic treatment in clinical diagnosis. In this study, a three-dimensional (3D) printing technology is demonstrated to achieve the personalized archwire groove model in a rapid, computed tomography image compatible manner, to assist orthodontists. This method is expected to improve the efficiency and accuracy of archwire bending and the resultant product can distribute the uniform dentofacial stress, improve the wearing comfort of the patient and further shorten the period of treatment and repair of the tooth.
Highlights
With the development of 3D printing technology, the clinical orthodontic effect can be better realized by constructing different individualized models
In order to further verify the advantages of personalized archwire groove model, the author specially displayed the individual dental arch model of the patient and the standardized dental arch model in the same coordinate system and carried out the test of goodness of fit by means of Equation (2)
The results showed that the idea of designing a personalized archwire groove was viable
Summary
With the development of 3D printing technology, the clinical orthodontic effect can be better realized by constructing different individualized models. Archwires are the vital and motivating parts of an orthodontic appliance. Wires are bent and attached to teeth to align them via elastic recovery [1], and they store and deliver power through the brackets and bands to the teeth and surrounding tissues. A good archwire forming technique is an essential part of quality orthodontic treatment [2]. Clinicians normally adopt standard procedures and bending methods causing problems such as poor correction effect and increasing consultation hours because of the mismatch between individual needs and standardized clinical techniques. In terms of diagnosis [3], treatment planning and mechanical therapy, strictly following standardized procedures is not suitable
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