Additive manufacturing of PLA to mimic the thrust force of mandibular bone during drilling

Riva, Leonardo; Pagani, Roberto; Fiorentino, Antonio; Borboni, Alberto

doi:10.1016/j.procir.2022.06.036

Cited by 3 publications

(1 citation statement)

References 9 publications

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“…These articles used printing methods named as Fused Filament Fabrication (FFF) (Ye et a., 2021;Lo Russo et al, 2021;Nagata et al, 2022;Charasseangpaisarn, Wiwatwarrapan, Srimaneepong, 2022;Deng et al, 2018;Ishida, Miura, Shinya, 2022;Leonardo et al, 2022) Digital Light Processing (DLP) and Stereolithography (SLA) (Park et al, 2020).…”

Section: Discussionmentioning

confidence: 99%

Mechanical, chemical and biological properties of PLA 3D printer: A systematic review

Lodi,

Campos,

Reis

2023

RSD

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The aim of this systematic review is to evaluate, through the in vitro studies included, whether PLA has mechanical, chemical and biological properties that enable its clinical use in dentistry. An electronic search was carried out in the Pubmed, Science Direct, Embase and Scopus databases containing the terms ''polylactic acid'', ''3D printing'',''biomaterials'',''dental materials'', dental prosthesis and dentistry. The objective of the inclusion criteria was to cover articles written and published in English that focused on the use of PLA in the field of dental materials and biomaterials printed using the 3D method. Any articles that did not focus on the study of PLA polymer, as well as systematic reviews, book chapters, abstracts, letters and conference articles were excluded. 1814 references were found, which after applying the exclusion criteria resulted in the final inclusion of 13 articles for the review. Based on the studies included in this systematic review, it is possible to conclude that 3D printed PLA used as a dental material and biomaterial presents favorable mechanical, chemical and biological properties that indicate its potential clinical use.

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Section: Discussionmentioning

confidence: 99%

Mechanical, chemical and biological properties of PLA 3D printer: A systematic review

Lodi,

Campos,

Reis

2023

RSD

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Drilling parameter optimisation for three-dimensional prints of acrylonitrile butadiene styrene

Gupta,

Bhatt,

Rakesh

2024

Eng. Res. Express

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Additive manufacturing has revolutionised over the past decade, leading to numerous product innovations. The acrylonitrile butadiene styrene specimen is printed using the fused deposition modelling process. To determine the utility of additive manufacturing parts for final product development, it’s essential to establish optimal drilling process parameters to minimise thrust force and torque. Two different drill geometries were investigated. Drilling with an end mill resulted in a 24.22% decrease in thrust force and a 12.37% reduction in torque compared to using a twist drill geometry. Moreover, factors such as orientation, infill density, feed rate, and drill geometry significantly affect drilling forces and damage.

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Understanding the thrust force evolution and primary stability for dental implantation – An in-vitro experimental investigation

Zhao

Liu

Zhang

et al. 2022

Proc Inst Mech Eng H

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The dental implant is challenging due to the unstable quality of the surrounding bone. This study aimed to explore the feasibility of using thrust force characteristics to identify different bone types and the influencing mechanisms of spindle speed and feed rate on primary stability of dental implants through in-vitro experiments. 13 groups of osteotomy experiments were performed on mandibles and maxillae of pigs with different bone types (I, II, and III) under different spindle speeds (600 and 800 rpm) and feed rates (20 and 60 mm/min). The thrust force evolution under different conditions was extracted and analysed to elaborate the distribution and thickness of the cortical and trabecular bone layers on different bone types. Dental implant placements were performed, and corresponding primary stabilities were obtained. Furthermore, histologic observation was conducted to reveal the bone/implant contact morphology. From the results, the amplitude and trend of thrust force show a regular variation during drilling different bone types. The highly dynamic information of thrust force can be analysed to characterise the distribution and thickness of the cortical and trabecular bone layers, hence effectively detecting different bone types. Since a lower feed rate and resulting bone temperature elevation lead to more thermal damages, primary stability decreases with the decrease of feed rate. Spindle speed has no significant effect. This study establishes a more in-depth understanding into the thrust force evolution and also provide a clinical option for reducing the complexity of bone type and drilling parameters determination in osteotomy.

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Additive manufacturing of PLA to mimic the thrust force of mandibular bone during drilling

Cited by 3 publications

References 9 publications

Mechanical, chemical and biological properties of PLA 3D printer: A systematic review

Mechanical, chemical and biological properties of PLA 3D printer: A systematic review

Drilling parameter optimisation for three-dimensional prints of acrylonitrile butadiene styrene

Understanding the thrust force evolution and primary stability for dental implantation – An in-vitro experimental investigation

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