Reconstruction of Bone Defect with a Novel Injectable Bio-Cement Bone Substitute-Mechanical Study and Histological Research

Chih-Hwa Chen, 葉 晉誌(Chin-Chih Yeh), 薛 文景(Wen-Ching Say), 楊 春勇(Chung-Yeung Yang), 陳 文哲(Wen-Jer Chen), 施 俊雄(Chun-Hsiung Shih)

Research output: Contribution to journalArticle

Abstract

Various synthetic materials for bone substitute have been tested with unreliable clinical application. A bone graft substitute, calcium phosphate bio-glass with titanium ions was developed. Reagent grade of hydro-phosphate acid, tri-calcium phosphate (TCP) and titanium oxide (TiO2) were prepared to be TiO2-calcium phosphate bioglass (TCPG). The ready TCPG and calcium sulfate (CS) were mixed to form an injectable form and then solidified to be a bio-cement bone substitute (TCPG-CS). Immersion test, differential thermal analysis, X-ray defraction, scanning electronic microscopy, and compressive loading test were examined to determine physical and mechanical properties. In vivo study, adult New Zealand white rabbits were used for evaluation of bone healing process. At 4 weeks, osteoblasts appeared adjacent to the osteoclasts indicating initiation of bone ingrowth. At 8 weeks, the filling material showed evidence of vascular invasion associated with resorption and new-bone formation. At 12 weeks, the calcium sulfate in the bone defect revealed complete resorption with replacement of trabecular bone ingrowths. TCPG could be identified within the new-formed trabecular bone. This TCPG-CS bio-cement has the injectable property that made it possible to fill bone gap easily and efficiently and could provide instant mechanical support. The biodegrading rate could be reduced with the adding of TCPG. Addition of TiO2 can achieve good biocompatibility and form strong bioglass structure, and induce microelectronic current to promote bone healing.
Original languageEnglish
Pages (from-to)119-124
Number of pages6
JournalJournal of Orthopedic Surgery Taiwan
Volume21
Issue number3
Publication statusPublished - 2004

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Bone Substitutes
Calcium Sulfate
Bone and Bones
Injections
Research
Differential Thermal Analysis
Immersion
Osteoclasts
calcium phosphate
Bioglass
Titanium
Osteoblasts
Osteogenesis
Glass
Blood Vessels
Microscopy
Phosphates
X-Rays
Ions
Rabbits

Keywords

  • calcium phosphate
  • calcium sulfate
  • bio-glass
  • bio-cement
  • bone substitute

Cite this

Chen, C-H., 葉晉誌(Chin-Chih Y, 薛文景(Wen-Ching S, 楊春勇(Chung-Yeung Y, 陳文哲(Wen-Jer C, & 施俊雄(Chun-Hsiung S (2004). Reconstruction of Bone Defect with a Novel Injectable Bio-Cement Bone Substitute-Mechanical Study and Histological Research. Journal of Orthopedic Surgery Taiwan, 21(3), 119-124.

Reconstruction of Bone Defect with a Novel Injectable Bio-Cement Bone Substitute-Mechanical Study and Histological Research. / Chen, Chih-Hwa; 葉晉誌(Chin-Chih Yeh); 薛文景(Wen-Ching Say); 楊春勇(Chung-Yeung Yang); 陳文哲(Wen-Jer Chen); 施俊雄(Chun-Hsiung Shih).

In: Journal of Orthopedic Surgery Taiwan, Vol. 21, No. 3, 2004, p. 119-124.

Research output: Contribution to journalArticle

Chen, C-H, 葉晉誌(Chin-ChihY, 薛文景(Wen-ChingS, 楊春勇(Chung-YeungY, 陳文哲(Wen-JerC & 施俊雄(Chun-HsiungS 2004, 'Reconstruction of Bone Defect with a Novel Injectable Bio-Cement Bone Substitute-Mechanical Study and Histological Research', Journal of Orthopedic Surgery Taiwan, vol. 21, no. 3, pp. 119-124.
Chen C-H, 葉晉誌(Chin-ChihY, 薛文景(Wen-ChingS, 楊春勇(Chung-YeungY, 陳文哲(Wen-JerC, 施俊雄(Chun-HsiungS. Reconstruction of Bone Defect with a Novel Injectable Bio-Cement Bone Substitute-Mechanical Study and Histological Research. Journal of Orthopedic Surgery Taiwan. 2004;21(3):119-124.
Chen, Chih-Hwa ; 葉晉誌(Chin-Chih Yeh) ; 薛文景(Wen-Ching Say) ; 楊春勇(Chung-Yeung Yang) ; 陳文哲(Wen-Jer Chen) ; 施俊雄(Chun-Hsiung Shih). / Reconstruction of Bone Defect with a Novel Injectable Bio-Cement Bone Substitute-Mechanical Study and Histological Research. In: Journal of Orthopedic Surgery Taiwan. 2004 ; Vol. 21, No. 3. pp. 119-124.
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abstract = "Various synthetic materials for bone substitute have been tested with unreliable clinical application. A bone graft substitute, calcium phosphate bio-glass with titanium ions was developed. Reagent grade of hydro-phosphate acid, tri-calcium phosphate (TCP) and titanium oxide (TiO2) were prepared to be TiO2-calcium phosphate bioglass (TCPG). The ready TCPG and calcium sulfate (CS) were mixed to form an injectable form and then solidified to be a bio-cement bone substitute (TCPG-CS). Immersion test, differential thermal analysis, X-ray defraction, scanning electronic microscopy, and compressive loading test were examined to determine physical and mechanical properties. In vivo study, adult New Zealand white rabbits were used for evaluation of bone healing process. At 4 weeks, osteoblasts appeared adjacent to the osteoclasts indicating initiation of bone ingrowth. At 8 weeks, the filling material showed evidence of vascular invasion associated with resorption and new-bone formation. At 12 weeks, the calcium sulfate in the bone defect revealed complete resorption with replacement of trabecular bone ingrowths. TCPG could be identified within the new-formed trabecular bone. This TCPG-CS bio-cement has the injectable property that made it possible to fill bone gap easily and efficiently and could provide instant mechanical support. The biodegrading rate could be reduced with the adding of TCPG. Addition of TiO2 can achieve good biocompatibility and form strong bioglass structure, and induce microelectronic current to promote bone healing.",
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AU - 楊, 春勇(Chung-Yeung Yang)

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