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Updated: Mar 17, 2026

Oral Biofilm Formation on Different Materials for Dental Implants
Published on: June 24, 2018
Biofilm Affecting the Mechanical Integrity of Implant-Abutment Joints
Purpose:
This in vitro study evaluated the effect of biofilms on abutment torque loss and wear of implant internal connection surfaces.
Materials And Methods:
Morse taper abutments were torqued to corresponding implants and then the implant-abutment assemblies were immersed in a biofilm medium for 72 hours. After detorque evaluation, the abutments were removed and the inner implant surfaces were observed via scanning electron microscopy and profilometry.
Results:
The removal torque values and the implant damaged areas decreased after contact with biofilms.
Conclusion:
The lubricating effect of biofilms decreased the friction between contacting surfaces, negatively affecting the mechanical integrity of the implant-abutment connection.
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