3D Printing in Dental Implantology

Gupta, Saurabh

doi:10.17140/doj-4-e008

Cited by 2 publications

(2 citation statements)

References 6 publications

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“…Recently, there have been marked advances in CT imaging and technological advances in both software and hardware in terms of 3D digital design and manufacturing. , The additive manufacturing technology has greatly contributed to the manufacture of complex 3D metal devices and has enabled an optimal fit of an implant to the contours of the patient’s existing bone. Therefore, use of custom-made 3D-printed subperiosteal implants has recently been proposed.…”

Section: Introductionmentioning

confidence: 99%

Additively Manufactured Lattice-like Subperiosteal Implants for Rehabilitation of the Severely Atrophic Ridge

Bai

Zheng

et al. 2022

ACS Biomater. Sci. Eng.

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Subperiosteal implants represent an alternative implant approach for cases with severe bone atrophy. Although some successful clinical cases have been reported, the biomechanical stability of subperiosteal implants remains unclear, and more data are needed to confirm the feasibility of this approach. Therefore, this study investigated the biomechanical characteristics of subperiosteal implants based on histological observation, clinical cases, and finite element analysis. Finite element analysis indicated that subperiosteal implants with a lattice-like structure could better disperse the stress to the underlying bone surface. A novel customized subperiosteal implant was then digitally designed and fabricated using an additive manufacturing technology. Six beagle dogs received such customized subperiosteal implants. Histological and microcomputed tomography examination showed new bone growth into and around the implant. Patient-specific subperiosteal implants were placed into the edentulous mandibular bone, with immediate loading. The implant was functional, without pain or infection, over a 12 month observation period. Images taken 12 months post-operatively showed new bone formation and osseointegration of the device. This indicated that 3D-printed lattice-like subperiosteal implants have sufficient stability for the rehabilitation of severely atrophic ridges.

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Section: Introductionmentioning

confidence: 99%

Additively Manufactured Lattice-like Subperiosteal Implants for Rehabilitation of the Severely Atrophic Ridge

Bai

Zheng

et al. 2022

ACS Biomater. Sci. Eng.

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show abstract

“…During the past decade, rapid developments have been made in CBCT technology and in additive manufacturing technology. These developments have accelerated the manufacture of complicated three-dimensional (3D) metal devices [15, 16]. Personalized titanium mesh manufactured by digital modelling and 3D printing technology can enable optimal fit between the mesh and the anatomical shape of the alveolar bone.…”

Section: Introductionmentioning

confidence: 99%

Mechanical Characterization of 3D-Printed Individualized Ti-Mesh (Membrane) for Alveolar Bone Defects

Bai

et al. 2019

Journal of Healthcare Engineering

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Individualized titanium mesh holds many advantages over conventional mesh. There are few reports in the literature about the effect of mesh pore size and mesh thickness on the mechanical properties of titanium mesh. This study is designed to develop an individualized titanium mesh using computer-assisted design and additive manufacturing technology. This study will also explore the effect of different thicknesses and pore sizes of titanium mesh on its mechanical properties through 3D FEA. According to this study, the mechanical properties of titanium mesh increased when the thickness decreased (0.5 mm to 0.3 mm). With an increase in mesh diameter (3 mm to 5 mm), the mechanical properties of mesh decreased. The diameter of titanium mesh has less influence on its mechanical properties than does the thickness of the mesh. Titanium mesh with a thickness of 0.4 mm is strong enough and causes less stimulation to mucosa; therefore, it is more suitable for clinical use. In addition, parameters of titanium mesh should be decided clinically according to bone defect size, defect location, and force situation.

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3D Printing in Dental Implantology

Cited by 2 publications

References 6 publications

Additively Manufactured Lattice-like Subperiosteal Implants for Rehabilitation of the Severely Atrophic Ridge

Additively Manufactured Lattice-like Subperiosteal Implants for Rehabilitation of the Severely Atrophic Ridge

Mechanical Characterization of 3D-Printed Individualized Ti-Mesh (Membrane) for Alveolar Bone Defects

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