CAD/CAM and 3D-printing Applications for Alveolar Ridge Augmentation

Yen, Howard H.; Stathopoulou, Panagiota G.

doi:10.1007/s40496-018-0180-4

Cited by 21 publications

(16 citation statements)

References 23 publications

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“…Personalized medicine is challenging for adapting the bone substitute to the patient’s specific bone geometry [ 18 ]. Customized block bones are made using computer-aided design and computer-aided manufacturing (CAD/CAM) or 3D printing [ 19 ]. The advantages of 3D printing include reduced material waste, optimizable surface and porous structures, and a reduced operation time [ 20 ].…”

Section: Introductionmentioning

confidence: 99%

“…The advantages of 3D printing include reduced material waste, optimizable surface and porous structures, and a reduced operation time [ 20 ]. For this reason, there is great demand for 3D printing technology, and many studies on 3D printing technology have been published [ 19 , 21 , 22 ]. 3D printing technology for block grafts is currently applicable to alloplastic materials.…”

Section: Introductionmentioning

confidence: 99%

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Bone Regeneration Capability of 3D Printed Ceramic Scaffolds

Kim

Yang

Hong

et al. 2020

IJMS

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In this study, we evaluated the bone regenerative capability of a customizable hydroxyapatite (HA) and tricalcium phosphate (TCP) scaffold using a digital light processing (DLP)-type 3D printing system. Twelve healthy adult male beagle dogs were the study subjects. A total of 48 defects were created, with two defects on each side of the mandible in all the dogs. The defect sites in the negative control group (sixteen defects) were left untreated (the NS group), whereas those in the positive control group (sixteen defects) were filled with a particle-type substitute (the PS group). The defect sites in the experimental groups (sixteen defects) were filled with a 3D printed substitute (the 3DS group). Six dogs each were exterminated after healing periods of 4 and 8 weeks. Radiological and histomorphometrical evaluations were then performed. None of the groups showed any specific problems. In radiological evaluation, there was a significant difference in the amount of new bone formation after 4 weeks (p < 0.05) between the PS and 3DS groups. For both of the evaluations, the difference in the total amount of bone after 8 weeks was statistically significant (p < 0.05). There was no statistically significant difference in new bone between the PS and 3DS groups in both evaluations after 8 weeks (p > 0.05). The proposed HA/TCP scaffold without polymers, obtained using the DLP-type 3D printing system, can be applied for bone regeneration. The 3D printing of a HA/TCP scaffold without polymers can be used for fabricating customized bone grafting substitutes.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Bone Regeneration Capability of 3D Printed Ceramic Scaffolds

Kim

Yang

Hong

et al. 2020

IJMS

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“…Through the current improvements in planning and manufacturing software and hardware, graft customization can be combined with the implant dentistry digital workflow with the potential patients to become part of daily clinical practice [24].…”

Section: Discussionmentioning

confidence: 99%

Design Techniques to Optimize the Scaffold Performance: Freeze-dried Bone Custom-made Allografts for Maxillary Alveolar Horizontal Ridge Augmentation

Grassi

Vivarelli

et al. 2020

Materials

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The purpose of the current investigation was to evaluate the clinical success of horizontal ridge augmentation in severely atrophic maxilla (Cawood and Howell class IV) using freeze-dried custom made bone harvested from the tibial hemiplateau of cadaver donors, and to analyze the marginal bone level gain prior to dental implant placement at nine months subsequent to bone grafting and before prosthetic rehabilitation. A 52-year-old woman received custom made bone grafts. The patient underwent CT scans two weeks prior and nine months after surgery for graft volume and density analysis. The clinical and radiographic bone observations showed a very low rate of resorption after bone graft and implant placement. The custom-made allograft material was a highly effective modality for restoring the alveolar horizontal ridge, resulting in a reduction of the need to obtain autogenous bone from a secondary site with predictable procedure. Further studies are needed to investigate its behavior at longer time periods.

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“…With the increasing popularity of CBCT, digital planning software for implant placement, and manufacturing of surgical guides for fully guided implant placement, the complete digital workflow is a reality in everyday clinical practice and is rapidly becoming the standard of care in implant dentistry [25]. With regards to alveolar ridge augmentation in preparation for implant placement, the concept of preparing block graft materials extra-orally and pre-operatively has always been quite attractive due to the potential for reduction in surgical time and for more precise adaptation of graft materials [25].…”

Section: Discussionmentioning

confidence: 99%

“…With the recent advances in planning and manufacturing software and hardware, graft customization can be integrated with the implant dentistry digital workflow with the potential to become part of everyday clinical practice [25].…”

Section: Discussionmentioning

confidence: 99%

Design Techniques to Optimize the Scaffold Performance: Freeze-dried Bone Custom-made Allografts for Maxillary Alveolar Horizontal Ridge Augmentation

Grassi¹,

Grassi²,

Vivarelli³

et al. 2020

Preprint

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Background: The aim of the present investigation was to evaluate the clinical success of horizontal ridge augmentation in the severely atrophic maxilla (Cawood and Howell class IV) using freeze-dried custom made bone harvested from cadaver donors tibial hemiplateau and to analyze the marginal bone level gain prior dental implants placement at 9 months after bone grafting and before prosthetic rehabilitation.Methods: A 52-year-old woman received custom made bone grafts. Patient underwent CT scans 2 weeks prior and 9 months after surgery for graft volume and density analysis.Results: The clinical and radiographic bone observations showed a very low rate of resorption after bone graft and implant placement.Conclusions: The custom-made allograft material was a highly effective modality for restoring the alveolar horizontal ridge, resulting in this way to reduce the need to obtain autogenous bone from a secondary site with predictable procedure. Further studies are needed to investigate its behavior at longer time points.

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CAD/CAM and 3D-printing Applications for Alveolar Ridge Augmentation

Cited by 21 publications

References 23 publications

Bone Regeneration Capability of 3D Printed Ceramic Scaffolds

Bone Regeneration Capability of 3D Printed Ceramic Scaffolds

Design Techniques to Optimize the Scaffold Performance: Freeze-dried Bone Custom-made Allografts for Maxillary Alveolar Horizontal Ridge Augmentation

Design Techniques to Optimize the Scaffold Performance: Freeze-dried Bone Custom-made Allografts for Maxillary Alveolar Horizontal Ridge Augmentation

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