Related Experiment Video
Updated: Feb 10, 2026
06:53
Additive Manufacturing of Functionally Graded Ceramic Materials by Stereolithography
Published on: January 25, 2019
15.1K
[Biocompatibility research of true bone ceramics]
Wei Qiao1, Xiaoqi Ren1, Hao Shi1
1Shanxi Province Tissue Bank of China Institute for Radiation Protection, Shanxi Osteorad Biomaterial Co. Ltd, Taiyuan Shanxi, 030006, P.R.China.
Summary
True bone ceramic (TBC) demonstrates excellent biocompatibility, showing no significant cytotoxicity and promoting cell adhesion and bone regeneration in vivo. This makes TBC a promising material for clinical applications in bone defect repair.
Area of Science:
- Biomaterials Science
- Orthopedic Research
- Tissue Engineering
Background:
- True Bone Ceramic (TBC) is a biomaterial derived from bovine bone.
- Investigating TBC's biocompatibility is crucial for its clinical use in bone regeneration.
Purpose of the Study:
- To evaluate the biocompatibility of True Bone Ceramic (TBC).
- To provide an experimental foundation for the clinical application of TBC in bone defect repair.
Main Methods:
- In vitro cytotoxicity tests using L929 mouse fibroblast cells exposed to TBC leaching liquor.
- In vitro cell adhesion and proliferation assessments on TBC surfaces using scanning electron microscopy.
- In vivo biocompatibility evaluation in rabbit tibia defects, comparing TBC with hydroxyapatite (HA) implants over 26 weeks.
Main Results:
- In vitro tests revealed minimal cytotoxicity (grade 0-1) for TBC leaching liquor.
- L929 cells exhibited good adhesion and migration into TBC pores, indicating favorable cell compatibility.
- In vivo studies showed TBC and HA induced mild to moderate inflammation initially, with new bone formation observed in both groups by 4 weeks. At 26 weeks, inflammation resolved, and significant new bone regeneration occurred with TBC.
Conclusions:
- True Bone Ceramic (TBC) possesses good biocompatibility.
- TBC supports cell adhesion, proliferation, and in vivo bone regeneration.
- TBC is a viable candidate for clinical applications in repairing bone defects.
More Related Videos
Related Concept Videos
01:28True Stress and True Strain
852
Engineering stress is calculated as the load divided by the original, undeformed cross-sectional area. It approximates a material under load. This approximation is especially relevant post-yield in ductile materials. Though engineering stress-strain diagrams are often used for their convenience and accessibility, they can sometimes fall short in accuracy, particularly when dealing with large strain values.
In contrast, true stress offers a more precise portrayal. It is computed by dividing the...
In contrast, true stress offers a more precise portrayal. It is computed by dividing the...
852
01:55Bone Structure
51.8K
Within the skeletal system, the structure of a bone, or osseous tissue, can be exemplified in a long bone, like the femur, where there are two types of osseous tissue: cortical and cancellous.
51.8K
01:40Bone Remodeling
40.5K
Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
40.5K
01:27Compact Bone
16.7K
Most bones contain compact and spongy osseous tissue, but their distribution and concentration vary based on the bone's overall function.
Compact bone, also called cortical bone, is the denser, stronger of the two types of bone tissue. It is found under the periosteum and in the diaphyses of long bones, where it provides support and protection. The microscopic structural unit of compact bone is called an osteon, or haversian system. Each osteon is composed of concentric rings of calcified...
Compact bone, also called cortical bone, is the denser, stronger of the two types of bone tissue. It is found under the periosteum and in the diaphyses of long bones, where it provides support and protection. The microscopic structural unit of compact bone is called an osteon, or haversian system. Each osteon is composed of concentric rings of calcified...
16.7K
01:29Bone Disorders
5.4K
Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
5.4K
01:12The Hyoid Bone
5.2K
The hyoid bone is a small U-shaped bone located in the upper neck at the level of the inferior mandible, with its tips pointing posteriorly. It does not directly articulate with any other bone in the body. The hyoid acts as the attachment site for the tongue, the larynx, and the pharynx. It is held in position by a series of small muscles attached from above or below. These muscles help to move the hyoid up/down or forward/back in coordination with movements of the tongue, larynx, and pharynx...
5.2K