Cellular response (osteoblasts and fibroblasts) depending on the type of surface of dental implants.

Authors

  • O. Mishchenko Zaporizhzhya State Medical University, Zaporizhzhya, Ukraine; NanoPrime, Debica, Poland, Ukraine
  • O. Solodovnyk Sumy State University, Ukraine
  • V. Deineka Sumy State University, Ukraine
  • O. Oleshko Sumy State University, Ukraine

DOI:

https://doi.org/10.26641/1997-9665.2020.1.42-49

Keywords:

osseointegration, implant, osteoblasts, fibroblasts, cell adhesion, hydroxyapatite coating

Abstract

Background. There are many strategies for modifying the surface of implants to create optimal conditions for the development of bone tissue. At the same time, the question of correlation of the effect of surface roughness or surface chemical composition on cell activity or osteogenesis processes remains open. Objective. The study of cellular mechanisms of osseointegration using cell cultures that occur after implantation of implants with a different type of alloy and the nature of their surface. Methods. To analyze the adhesion and cell proliferaiton, the resazurin reduction method was used, scanning electron microscopy was used to determine the distribution of cells on the sample surface and the type of cell interaction with surface. Results. Cell adhesion is observed in all studied groups, and the degree of cell adhesion is directly related to the presence of hydroxyapatite on the surface. A growing trend in the proliferation of osteoblasts is noted, while fibroblast proliferation slows down from the 3rd to the 7th day. At the same time, slow cell proliferation occurs on the surface of the implants without modification, and the percentage the reduction of resazurin does not exceed 23.5%. It should be noted that there is no difference between the types of alloys, which proves the predominance of the influence of surface topography on the proliferative activity of osteoblasts. Scanning electron microscopy on the 7th day revealed the presence of osteoblasts and fibroblasts in all studied samples. However, in the absence of hydroxyapatite, the cells are unevenly located on the surface of the sample, they are large in size and have long processes that do not have a clear orientation, and on the surface with hydroxyapatite coating there is a higher cell growth density, which predominantly has 2 processes and oriented in the same direction. Conclusion. The use of hydroxyapatite coating significantly increases the ability of cells to adhere to the surface of the implant. The presence of calcium and phosphorus mainly stimulates the proliferation of osteoblastic dipheron cells and almost does not affect the ability of fibroblasts to proliferate.

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How to Cite

Mishchenko, O., Solodovnyk, O., Deineka, V., & Oleshko, O. (2020). Cellular response (osteoblasts and fibroblasts) depending on the type of surface of dental implants. Морфологія / Morphologia / Morfologìâ, 14(1), 42–49. https://doi.org/10.26641/1997-9665.2020.1.42-49

Issue

Vol. 14 No. 1 (2020)

Section

Статті

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