Fabricating a dual-material, vat-polymerized, additively manufactured static implant surgical guide: A dental technique

Piedra‐Cascón, Wenceslao; Mostafavi, Delaram; Ruiz-de-Gopegui, Juan; Pérez-Pevida, Esteban; Robles-Cantero, Daniel; Revilla‐León, Marta

doi:10.1016/j.prosdent.2021.01.028

Cited by 3 publications

(2 citation statements)

References 20 publications

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“…Vat-polymerization is one of the most used AM methods for fabrication of dental devices, and can be subcategorized based on the light source employed on the printer: stereolithography (SLA), direct light processing (DLP), and liquid crystal display based (LCD) printers also called daylight polymer printing (DPP). 13,17,18 Even though there are hypotheses regarding the possible differences between the resolution and accuracies of different vat-polymerization methods, the closed systems offered by the 3D printer manufacturers make it difficult to compare the different printing technologies for specific indications.…”

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confidence: 99%

Accuracy of Additively Manufactured and Milled Interim 3‐Unit Fixed Dental Prostheses

Karasan

Legaz

Boitelle

et al. 2022

Journal of Prosthodontics

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Purpose: To investigate the accuracy of additive manufacturing (AM) by means of internal fit of fixed dental prostheses (FDPs) fabricated with two AM technologies using different resins and printing modes (validated vs nonvalidated) compared to milling and direct manual methods. Material and methods: Sixty 3-unit interim FDPs replacing the first mandibular molar were divided into 6 groups (n = 10): manual (Protemp 4), milled (Telio-CAD), and AM groups were subdivided based on AM technology (direct light processing (Rapidshape P30 [RS]) and stereolithography (FormLabs 2 [FL])) and the polymer type (P-Pro-C&B [St] and SHERAprint-cb [Sh]) (RS-St, RS-Sh, FL-St, FL-Sh). Validated (RS-Sh and RS-St) or nonvalidated (FL-St and FL-Sh) modes were adopted for AM. The specimens were scanned to 3D align (GOM inspect) according to the triple scan method. The internal space between the FDPs and preparation surfaces in four sites (marginal, axial, occlusal, and total) was measured using equidistant surface points (GOM Inspect). Statistical analysis was done using Kruskal Wallis and Dunn post-hoc tests. (α = 0.05). Results: One AM group (FL-Sh) and milling exhibited better adaptation compared to manual and RS-St at molar site (p < 0.05). FDPs with St resin (FL-St and RS-St) displayed bigger marginal space than milled, FL-Sh, and RS-Sh. The nonvalidated printing mode showed better mean space results (p < 0.05) with higher predictability and repeatability (p < 0.001). Conclusions:The AM interim FDPs tested provided valid alternatives to the milled ones in regard to their accuracy results. The printing mode, resin, and the AM technology used significantly influenced the manufacturing accuracy of interim FDPs, particularly at the marginal area. The nonvalidated printing mode with lower-cost 3D printers is a promising solution for clinical applications.

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confidence: 99%

Accuracy of Additively Manufactured and Milled Interim 3‐Unit Fixed Dental Prostheses

Karasan

Legaz

Boitelle

et al. 2022

Journal of Prosthodontics

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“…Resin is the most commonly used material for a surgical guide, but it is easily deformed and requires a certain thickness to ensure strength [27]. The upgrade from resin to a metal 3D printing stackable guide provides better visibility of the alveolar ridge, operative space, and water cooling [13].…”

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confidence: 99%

Cone-wedge anchored surgical templates for stackable metal guide: a novel technique

Bai,

Wu,

Zhu

et al. 2024

Int J Implant Dent

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Objective To address the instability in implant surgical guides, this technique proposes an alternative anchoring mechanism in the stackable metal surgical guides utilizing cone-wedge anchors for improved stability. Methods Postoperative implant position superimposed onto the preoperatively planned design using Mimics Medical 21.0 and Materialise Magics 24.0 to assess 3D coronal implant deviation, 3D apical implant deviation, and implant angular deviation. Results Postoperative cone-beam computed tomography (CBCT) revealed a high level of precision in the implant placement, with an average 0.97 mm deviation at implant coronal region, 1.56 mm at implant apexes, and 2.95° angular deviation. Conclusion This technique introduces a novel cone-wedge anchoring mechanism to enhance the stability of stackable metal surgical guide templates, addressing inherent instability issues. The utilization of this approach significantly improves the accuracy of implant placement procedures.

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Additive Manufacturing Procedures and Clinical Applications in Restorative Dentistry

Revilla‐León¹,

Zandinejad²

2022

Clinical Applications of Digital Dental Technology

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Fabricating a dual-material, vat-polymerized, additively manufactured static implant surgical guide: A dental technique

Cited by 3 publications

References 20 publications

Accuracy of Additively Manufactured and Milled Interim 3‐Unit Fixed Dental Prostheses

Accuracy of Additively Manufactured and Milled Interim 3‐Unit Fixed Dental Prostheses

Cone-wedge anchored surgical templates for stackable metal guide: a novel technique

Additive Manufacturing Procedures and Clinical Applications in Restorative Dentistry

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