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The International Journal of Prosthodontics



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Int J Prosthodont 32 (2019), No. 5     9. Sep. 2019
Int J Prosthodont 32 (2019), No. 5  (09.09.2019)

Page 420-422, doi:10.11607/ijp.6026, PubMed:31486812

Detection of Microparticles of Different Origins in Implant Prostheses and Abutments
Del Valle, Asier Eguia / López-Vicente, Jose / Alberdi-Navarro, Javier / Marichalar, Xabier / Laña, Joana / Martínez-Conde, Rafael
Purpose: To assess whether particles from metal and other alloplastic materials detected in tissues surrounding dental implants could have other sources of origin besides biotribocorrosion or detachment from the implant surface.
Materials and Methods: A total of 52 prostheses were randomly tested at various stages of manufacture. Identification of the detached microparticles was performed using light field microscopy and comparison with previously obtained microscopic images.
Results: Microparticles of metallic, ceramic, plaster, polishers, or unidentifiable origin were detected in 49 prostheses (94%).
Conclusion: Without an exhaustive decontamination protocol, prostheses and abutments carry metal microparticles and microparticles of other origins that could contribute to the development of peri-implant pathologies.