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Article de Chinois | WPRIM | ID: wpr-536721

RÉSUMÉ

?Objective:To study the inductive effect of absorbable crystalline glass (ACG) and absorbable crystalline glass powder(ACGP) , in osteogenesis.Methods:Samples of ACG,ACGP and ? TCP in the size of 10 mm?3 mm?2.5 mm were prepared and implanted subperiosteally into the mandible deffects in 48 rabbits .Specimens obtained 2,4,12,and 24 weeks after implantation were observed with X ray film,measurement of area of crosssection energy dispersive X ray analysis(EDX),light and scanning electron microscopes.Results:Bone formation was found in 12 weeks and increased in 24 weeks in all implannts.The degradation (%) of ACG,ACGP and ? TCP in 24 weeks were 33,80 and 40 respectively.24 weeks after implantation the Ca ++ content (% of wt)in ACG,ACGP,? TCP and rabbit mandible were 20.54,20.29,19.96 and 19.71;the P ++ content (% of wt)10.54,10.51,10.72 and 10.96,respectively.Conclusion:ACG and ACGP are degradable,biocompatible and osteoinductive.

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