Can Glass Replace Bone? Chinese Scientists 3D Print Bioglass That Mimics Skeletal Strength

Written by Fabio Lucas Carvalho

Published on 24/09/2025 at 17:47

Cientistas chineses criam biovidro em 3D que imita a força dos ossos, sustenta células por oito semanas e promete revolucionar implantes dentários.

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Chinese Scientists Create 3D Bioglass That Mimics The Strength Of Bones, Supports Cells For Eight Weeks And Promises To Revolutionize Dental Implants. Chinese Researchers Develop Innovative 3D Bioglass That Mimics Bone Strength, Maintains Lasting Cell Growth And Paves The Way For Custom Implants

No one imagines glass as a substitute for human bones. Still, scientists in China have shown that this material can turn into a viable alternative.

They developed a bioactive, 3D-printable glass that mimics the strength of bone tissue. In experiments, it supported cell growth for longer than regular glass and approached the performance of materials already used in dental implants.

The Relationship Between Glass And Bone

Both glass and bone share an essential characteristic: they resist compression better than stretching. This structural similarity has opened the door for bold research.

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The Solution Proposed By The Researchers

The group led by Jianru Xiao, Tao Chen, and Huanan Wang sought a cleaner solution. They combined silica particles loaded with calcium and phosphate ions, elements known to stimulate bone cell formation.

This mixture formed a printable gel, capable of hardening at 690 degrees Celsius. Unlike conventional methods, there was no need for toxic additives.

In tests, the team compared three materials: the new bioglass, plain silica glass, and a dental bone substitute already available on the market. The experiment involved repairing rabbit skulls.

While the commercial product promoted faster initial growth, the bioglass demonstrated greater durability. After eight weeks, much of the bone cells were firmly attached to the bioglass structure, while the regular glass showed almost no results.

“Green” And Efficient Printing

The innovation was not limited to the medical field. The team highlighted the technical gain of their process.

Normally, 3D printing with ceramics or glass uses organic plasticizers and extremely high temperatures. This increases production costs, hampers bioactivity, and may even create toxic risks.

The alternative presented by the researchers used inorganic colloidal gels, made of silica nanospheres that attract each other through electrostatic charges. This configuration allowed the printing of strong structures without additives, finished with relatively low heat through a process called low-temperature sintering.

The results were significant. The material exhibited a compressive modulus of about 2.3 MPa, sufficient to act as bone support. Furthermore, it maintained the ability for self-repair, which helped in controlling shape and print quality.

After sintering at 600°C, the structures remained stable, bioactive, and capable of stimulating new bone growth in practical tests.

Potential Beyond Dentistry

The scientists stated that their method has paved the way for custom, accessible, high-performance implants.

“This ‘green’ inorganic 3D printing strategy allowed for the economical production of bioglass-based bone substitutes while preserving bioactivity, leading to improved osteogenesis and osteointegration in vivo,” the authors wrote.

They also noted that the technique could expand into other sectors, such as energy and machinery industry.

The full study was published in the scientific journal ACS Nano.

Can Glass Replace Bone? Chinese Scientists 3D Print Bioglass That Mimics Skeletal Strength

Chinese Scientists Create 3D Bioglass That Mimics The Strength Of Bones, Supports Cells For Eight Weeks And Promises To Revolutionize Dental Implants. Chinese Researchers Develop Innovative 3D Bioglass That Mimics Bone Strength, Maintains Lasting Cell Growth And Paves The Way For Custom Implants

The Relationship Between Glass And Bone

The Solution Proposed By The Researchers

“Green” And Efficient Printing

Potential Beyond Dentistry

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Can Glass Replace Bone? Chinese Scientists 3D Print Bioglass That Mimics Skeletal Strength

Chinese Scientists Create 3D Bioglass That Mimics The Strength Of Bones, Supports Cells For Eight Weeks And Promises To Revolutionize Dental Implants. Chinese Researchers Develop Innovative 3D Bioglass That Mimics Bone Strength, Maintains Lasting Cell Growth And Paves The Way For Custom Implants

The Relationship Between Glass And Bone

The Solution Proposed By The Researchers

“Green” And Efficient Printing

Potential Beyond Dentistry

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