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. 2020 May 14;15:177. doi: 10.1186/s13018-020-01696-5

Fig. 4.

Fig. 4

Representative histology images in the cortical sites at 4 weeks (top row × 1.25, middle × 10, bottom × 20 objectives) for the a titanium alloy dowel coated with hydroxyapatite and b titanium alloy coated with plasma-sprayed titanium. New bone ongrowth without any fibrous tissue was present for both groups