Evaluation Study
CONE MORSE IMPLANT-ABUTMENT INTERFACE BEFORE AND AFTER CYCLIC LOAD: EVALUATION UNDER 3-D X-RAY MICROTOMOGRAPHY
1 Department of Innovative Technologies in Medicine and Dentistry, University of Chieti-Pescara, Chieti, Italy
2 Dipartimento di Tecnologie e Salute, Istituto Superiore di Sanità, Rome, Italy
3 Universidad Católica de Murcia (UCAM), Murcia, Spain
4 Department of Innovative Technologies in Medicine and Dentistry, University of Chieti-Pescara, Italy
Correspondence to:
Department of Innovative Technology in Medicine and Dentistry,
University of Chieti-Pescara,
Via dei Vestini 31,
66100 Chieti, Italy
Annals of Stomatology 2022 September-December; 2(3): 84-88
https://doi.org/10.69129/stomatol/2022v2iss3_1
Received: 24 September 2022 Accepted: 28 October 2022
Copyright © by LAB srl 2022 ISSN 2975-1276
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Abstract
Currently, implant failures are mainly due to overload and bacterial infection of the peri-implant tissues. The internal conical implant-abutment connection is mechanically more stable and tight compared to flat-to-flat connections or tube-in-tube connections and is able to provide a better seal. The aim of this paper was to evaluate, with X-ray 3-D microtomography, cone morse implant-abutment contact surfaces before and after cyclic loading. A total of 10 implants were used in this in vitro study. The implants presented a screw-retained cone morse taper that was internally connected. No statistically significant differences were found in the dimension of the microgap before and after cyclic loading (P= 0.17). In all cone morse connection samples, no abutment-fixture movement was recordable. In conclusion, the cone morse taper internal connection can resist cyclic load without creating spaces between the abutment and implant.
Keywords: bacterial leakage, crestal bone remodeling micro gap, implant-abutment connections, X-ray microtomography