ArticleBiomimetics (Basel, Switzerland)2025
The Effect of Different Tightening Torques of Implant Cone Morse Abutment Connection Under Dynamic Fatigue Loading: An In Vitro Study.
Article in Biomimetics (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Investigation of Surface Morphology and Roughness of Dental Implant Platform and Abutment.Dentistry journal · 2026Article
- Digitally Planned and Guide-Delivered Provisionalization for Emergence Profile Shaping in the Esthetic Zone: Clinical Outcomes and Complications in a Retrospective Single-Arm Cohort Study.Journal of clinical medicine · 2026Article
- A comparative analysis of efficacy of torque limiting devices provided by different dental implant manufacturers.BMC oral health · 2026Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe implant-abutment joint is important for the long-term marginal tissue integrity in terms of biomimetic design that replicates the natural dentition under mastication forces. This study aimed to evaluate conical implant-abutment joints coupled at different tightening torque values through a mechanical fatigue test.
methodsEighty conic implants (Ø: 3.8 mm L: 10 mm) with a 6° cone morse joint were embedded in resin blocks with an inclination of 30° ± 2°. The samples were divided into 8 groups (4 Test and 4 Control). The implant-abutment joints were coupled with different tightening torques: 25 Ncm (Group I), 30 Ncm (Group II), 35 Ncm (Group III) and 40 Ncm (Group IV). An in vitro cyclic loading test (1 × 10
resultsMicroscopy observation results showed significant differences among torque groups. We found that 30 Ncm had the best stability with less microgap.
conclusionsTightening torque plays an important role in the distortion of the cone morse joint under mechanical forces. However, further studies should be conducted to validate the results using different implant-abutment joints for comparison.
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