Compressive Strength Evaluation of Three Distinct Implant Design Approaches

Author:

Sahoo Pradyumna K.1,Priyadarshini Smita R.2,Das Abhaya C.3,Panda Saurav3,Choudhury Purobi4,Swain Pragyan5

Affiliation:

1. Department of Prosthodontics, Institute of Dental Sciences, Siksha ‘O’ Anusandhan (Deemed to be University), Khandagiri Square, Bhubaneswar, Odisha, India

2. Department of Oral Medicine and Radiology, Institute of Dental Sciences, Siksha ‘O’ Anusandhan (Deemed to be University), Khandagiri Square, Bhubaneswar, Odisha, India

3. Department of Periodontics and Oral Implantology, Institute of Dental Sciences, Siksha ‘O’ Anusandhan (Deemed to be University), Khandagiri Square, Bhubaneswar, Odisha, India

4. Department of Dentistry, Silchar Medical College, Silchar, Assam, India

5. Department of Periodontics, Chhattisgarh Dental College and Research Institute, Rajnandgaon, Chhattisgarh, India

Abstract

ABSTRACT Objectives: The study was done to assess the implant–abutment interface static compressive. strength of three design types and implant–abutment connection failure style. Materials and Methods: The implants at 306 with respect to the y-axis were aligned using a stainless steel holding device. Twenty specimens from each system totaled 60 total. A unidirectional vertical piston in a computer-controlled universal testing machine (MTS 810) generated static compression loading until failure. Specimens were macroscopically examined for fracture of the screw and implant, abutment looseness, and longitudinal displacement. Analysis of variance was used to analyze the data (ANOVA). Result: The screw-vent system had a mean compressive strength of 335.6 22.7 psi for the Unipost system, 384.3 37.1 psi for the screw-vent system, and 245.3 25.4 psi for the ITI-1 piece abutment connection. Conclusion: The connection between the Unipost implant and abutment showed a statistically significant variation.

Publisher

Medknow

Subject

General Pharmacology, Toxicology and Pharmaceutics,General Biochemistry, Genetics and Molecular Biology,Bioengineering,General Pharmacology, Toxicology and Pharmaceutics,General Biochemistry, Genetics and Molecular Biology,Bioengineering

Reference7 articles.

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3. The compressive strength of implant-abutment complex with different connection designs;Hung;J Dent Sci,2019

4. Fracture resistance of the implant-abutment connection in implants with internal hex and internal conical connections under oblique compressive loading:An in vitro study;Coppedê;Int J Prosthodont,2009

5. The effect of a positioning index on the biomechanical stability of tapered implant-abutment connections;Villarinho;J Oral Implantol,2015

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