HISTOLOGIC AND HISTOMORPHOMETRIC EVALUATION OF OSTEOGENESIS INDUCED BY OCTACALCIUM PHOSPHATE (OCP) COMBINED WITH BONE MATRIX GELATIN (BMG) IN RAT SKULL DEFECTS

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SARGOLZAEI AVAL F.; SOBHANI A.GH.; NIKNAFS B.; SARANI SHIR AHMAD; SARGAZI GH.H.; SOBHANI A.

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Journal: Journal of Dental Medicine Year:2005 | Volume:18 | Issue:1(42) Page(s): 30-39

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Title

HISTOLOGIC AND HISTOMORPHOMETRIC EVALUATION OF OSTEOGENESIS INDUCED BY OCTACALCIUM PHOSPHATE (OCP) COMBINED WITH BONE MATRIX GELATIN (BMG) IN RAT SKULL DEFECTS

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Keywords

OCTACALCIUM PHOSPHATE (OCP)Q3

BONE MATRIX GELATIN (BMG)Q4

BONE INDUCTIONQ4

RATQ4

Abstract

Statement of Problem: Several methods are used to enhance bone repair and new bone formation, and bone matrix gelatin (BMG) is recently introduced. Purpose: The purpose of this histologic and histomorphometric study was to assess the osteogenic potential and the quantity of new trabecular bone formation after implantation of OCP and BMG alone and in combination into the cranial defects in RAT. Materials and Methods: In this experimental study, 100 young male Sprague Dawley RATs (5-6 weeks age and 120-150gr weight) were divided into four groups randomly. A full thickness standard trephine defect 5mm in diameter was made in the RAT's parietal bone, and 5mg of OCP, BMG alone and in combination were implanted into the defects. No OCP and BMG particles were implanted in control group which was otherwise treated identically. On the 5th, 7th, 14th, 21st and 56th days after implantation, the RATs were killed and bone samples collected. After processing the samples by routine histological procedures, 5µm thick sections of bone were cut and stained with Haematoxyline & Eosin (H&E) and Alcian Blue and studied histologically and histomorphometrically using light microscope and eyepiece graticule. The amount of newly formed bone was quantitatively measured by the use of histomorphometric methods. Data were analyzed with SAS statistical package using ANOVA and Duncan tests.Results: In the experimental groups, the new bone formation was initiated from the margin of defects during 5-14 days after implantation. During 14-21 days after implantation, bone marrow cavities and bone marrow tissues in newly formed bone were seen. By the end of the study, the newly formed bone increased and was relatively matured and almost all of the implanted materials were absorbed. In control group, at the end of the study, a few clusters of new bone were seen near to the defect margins and host bone. The histomorphometric analysis indicated statistical significant differences in the amount of newly formed bone between the experimental and control groups (P<0.05).Conclusion: Implants of OCP/BMG appear to stimulate BONE INDUCTION and new bone growth in bone defects greater than the other groups and these biomaterials could be used in the repair of cranial bone defects in clinical situations.

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APA: Copy

SARGOLZAEI AVAL, F., SOBHANI, A.GH., NIKNAFS, B., SARANI, SHIR AHMAD, SARGAZI, GH.H., & SOBHANI, A.. (2005). HISTOLOGIC AND HISTOMORPHOMETRIC EVALUATION OF OSTEOGENESIS INDUCED BY OCTACALCIUM PHOSPHATE (OCP) COMBINED WITH BONE MATRIX GELATIN (BMG) IN RAT SKULL DEFECTS. JOURNAL OF DENTAL MEDICINE, 18(1(42)), 30-39. SID. https://sid.ir/paper/25261/en

Vancouver: Copy

SARGOLZAEI AVAL F., SOBHANI A.GH., NIKNAFS B., SARANI SHIR AHMAD, SARGAZI GH.H., SOBHANI A.. HISTOLOGIC AND HISTOMORPHOMETRIC EVALUATION OF OSTEOGENESIS INDUCED BY OCTACALCIUM PHOSPHATE (OCP) COMBINED WITH BONE MATRIX GELATIN (BMG) IN RAT SKULL DEFECTS. JOURNAL OF DENTAL MEDICINE[Internet]. 2005;18(1(42)):30-39. Available from: https://sid.ir/paper/25261/en

IEEE: Copy

F. SARGOLZAEI AVAL, A.GH. SOBHANI, B. NIKNAFS, SHIR AHMAD SARANI, GH.H. SARGAZI, and A. SOBHANI, “HISTOLOGIC AND HISTOMORPHOMETRIC EVALUATION OF OSTEOGENESIS INDUCED BY OCTACALCIUM PHOSPHATE (OCP) COMBINED WITH BONE MATRIX GELATIN (BMG) IN RAT SKULL DEFECTS,” JOURNAL OF DENTAL MEDICINE, vol. 18, no. 1(42), pp. 30–39, 2005, [Online]. Available: https://sid.ir/paper/25261/en

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