Topography alteration of different implant surfaces after an installation

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Sakanus Vijintanawan
Teeranut Chaiyasamut
Suphachai Suphangul
Natthamet Wongsirichat


Objective:  The aims of present study were to investigate dental implant surface alterations after the installation.

Materials and methods: Five implants from each company (sandblasted and acid-etched (SLA), SLA with nano-apatite coating, laser, and anodized surface) were assigned to control and test groups. The installation was performed in porcine bone. Consequently, the implant surfaces were investigated with a scanning electron microscope and confocal laser microscope to identify micro topographical change.

Results: Morphological alterations were found in all test implants such as thread abrasion, flattening area, crack, and decreased surface projection. Topographical analysis showed that arithmetical mean height and surface area significantly decreased in all test groups (2-20% and 3-6%, respectively). Surface skewness of SLA significantly increased after installation. Surface kurtosis and texture aspect ratio remained the same.

Conclusions: All implant surfaces exhibited the surface alteration after the installation. The anodized implant was the least change.  SLA implant presented the greatest surface change after the installation.


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Vijintanawan S, Chaiyasamut T, Suphangul S, Wongsirichat N. Topography alteration of different implant surfaces after an installation. M Dent J [Internet]. 2020 Aug. 26 [cited 2023 Dec. 11];40(2):95-106. Available from:
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