Preservation of alveolar ridge height through mechanical memory: A novel dental implant design

Yin, Shi; Zhang, Wenjie; Tang, Yun‐Chi; Yang, Guangzheng; Wu, Xiaolin; Lin, Sihan; Liu, Xuanyong; Cao, Huiliang; Jiang, Xinquan

doi:10.1016/j.bioactmat.2020.07.015

Cited by 13 publications

(10 citation statements)

References 35 publications

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“…However, the definition of macropores in hydrogels varies with at least two prevailing interpretations. One definition categorizes macropores as pores > 10 µm in diameter [28,[66][67][68][69], whereas others consider pores > 100 µm in diameter as macropores [54,[70][71][72]. The rationale behind these divergent definitions is not explicit but is presumably rooted in the range of pore sizes typically observed in hydrogels.…”

Section: Suggested Nomenclature and Classification Of Pore Sizesmentioning

confidence: 99%

Reasoning on Pore Terminology in 3D Bioprinting

Trifonov,

Shehzad,

Mukasheva

et al. 2024

Gels

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Terminology is pivotal for facilitating clear communication and minimizing ambiguity, especially in specialized fields such as chemistry. In materials science, a subset of chemistry, the term “pore” is traditionally linked to the International Union of Pure and Applied Chemistry (IUPAC) nomenclature, which categorizes pores into “micro”, “meso”, and “macro” based on size. However, applying this terminology in closely-related areas, such as 3D bioprinting, often leads to confusion owing to the lack of consensus on specific definitions and classifications tailored to each field. This review article critically examines the current use of pore terminology in the context of 3D bioprinting, highlighting the need for reassessment to avoid potential misunderstandings. We propose an alternative classification that aligns more closely with the specific requirements of bioprinting, suggesting a tentative size-based division of interconnected pores into ‘parvo’-(d < 25 µm), ‘medio’-(25 < d < 100 µm), and ‘magno’-(d > 100 µm) pores, relying on the current understanding of the pore size role in tissue formation. The introduction of field-specific terminology for pore sizes in 3D bioprinting is essential to enhance the clarity and precision of research communication. This represents a step toward a more cohesive and specialized lexicon that aligns with the unique aspects of bioprinting and tissue engineering.

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Section: Suggested Nomenclature and Classification Of Pore Sizesmentioning

confidence: 99%

Reasoning on Pore Terminology in 3D Bioprinting

Trifonov,

Shehzad,

Mukasheva

et al. 2024

Gels

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show abstract

“…Digital and visualized guided bone regeneration (GBR) is among these new technologies, with promising benefits in precision and controllability of bone augmentation procedures [206]. Yin et al [207] used a novel dental implant design to preserve the alveolar ridge height by mechanical memory in which, through 3D printing technology, a micron-sized pore-channel structure was fabricated, with a more bony ingrowth, thus assuring the required horizontal mechanical force and mimicking natural teeth force. In this design, the pore-channel considerably assists stem cell differentiation and tissue morphogenesis.…”

Section: Forthcoming Modern Implantsmentioning

confidence: 99%

Innovative Surface Modification Procedures to Achieve Micro/Nano-Graded Ti-Based Biomedical Alloys and Implants

Zhou

Attarilar

et al. 2021

Coatings

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Due to the growing aging population of the world, and as a result of the increasing need for dental implants and prostheses, the use of titanium and its alloys as implant materials has spread rapidly. Although titanium and its alloys are considered the best metallic materials for biomedical applications, the need for innovative technologies is necessary due to the sensitivity of medical applications and to eliminate any potentially harmful reactions, enhancing the implant-to-bone integration and preventing infection. In this regard, the implant’s surface as the substrate for any reaction is of crucial importance, and it is accurately addressed in this review paper. For constructing this review paper, an internet search was performed on the web of science with these keywords: surface modification techniques, titanium implant, biomedical applications, surface functionalization, etc. Numerous recent papers about titanium and its alloys were selected and reviewed, except for the section on forthcoming modern implants, in which extended research was performed. This review paper aimed to briefly introduce the necessary surface characteristics for biomedical applications and the numerous surface treatment techniques. Specific emphasis was given to micro/nano-structured topographies, biocompatibility, osteogenesis, and bactericidal effects. Additionally, gradient, multi-scale, and hierarchical surfaces with multifunctional properties were discussed. Finally, special attention was paid to modern implants and forthcoming surface modification strategies such as four-dimensional printing, metamaterials, and metasurfaces. This review paper, including traditional and novel surface modification strategies, will pave the way toward designing the next generation of more efficient implants.

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“…The last few decades have seen a growing demand for dental surgery as the population increases and ages, and the market for dentistry implants is expected to significantly increase [1]. The most notable current targets of improvement for dental reconstruction are related to implant design and stability [2][3][4][5][6][7][8][9][10], material choice optimization [11][12][13][14][15][16][17], osseointegration [9,10,[18][19][20], biocompatibility [13,14,[21][22][23], soft tissue integration [24][25][26][27][28][29][30], and healing activity [31,32]. Titanium and zirconia are the most frequently used scaffolds.…”

Section: Introductionmentioning

confidence: 99%

Hydroxyapatite-Based Coatings on Silicon Wafers and Printed Zirconia

Chauvin,

Garda,

Snyder

et al. 2023

JFB

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Dental surgery needs a biocompatible implant design that can ensure both osseointegration and soft tissue integration. This study aims to investigate the behavior of a hydroxyapatite-based coating, specifically designed to be deposited onto a zirconia substrate that was intentionally made porous through additive manufacturing for the purpose of reducing the cost of material. Layers were made via sol–gel dip coating by immersing the porous substrates into solutions of hydroxyapatite that were mixed with polyethyleneimine to improve the adhesion of hydroxyapatite to the substrate. The microstructure was determined by using X-ray diffraction, which showed the adhesion of hydroxyapatite; and atomic force microscopy was used to highlight the homogeneity of the coating repartition. Thermogravimetric analysis, differential scanning calorimetry, and Fourier transform infrared spectroscopy showed successful, selective removal of the polymer and a preserved hydroxyapatite coating. Finally, scanning electron microscopy pictures of the printed zirconia ceramics, which were obtained through the digital light processing additive manufacturing method, revealed that the mixed coating leads to a thicker, more uniform layer in comparison with a pure hydroxyapatite coating. Therefore, homogeneous coatings can be added to porous zirconia by combining polyethyleneimine with hydroxyapatite. This result has implications for improving global access to dental care.

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Preservation of alveolar ridge height through mechanical memory: A novel dental implant design

Cited by 13 publications

References 35 publications

Reasoning on Pore Terminology in 3D Bioprinting

Reasoning on Pore Terminology in 3D Bioprinting

Innovative Surface Modification Procedures to Achieve Micro/Nano-Graded Ti-Based Biomedical Alloys and Implants

Hydroxyapatite-Based Coatings on Silicon Wafers and Printed Zirconia

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