Assessment of Microgap and Bacterial Leakage of Two Types of Internal Implant–Abutment Union

Author:

Basha Shaik Riyaz1,Channamsetty Praveena2,Janapati Divya1,Badugu Satyavathi1,Kodipalli Sravalli1,Ireddy Kavya Sri1,Mitra Nirban1

Affiliation:

1. Department of Prosthodontics, Crown and Bridge, Malla Reddy Institute of Dental Sciences, Hyderabad, Telangana, India

2. Department of Prosthodontics, Crown and Bridge, Mamata Institute of Dental Sciences, Bachupally, Hyderabad, Telangana, India

Abstract

ABSTRACT Objective: The current research was done to assess microbial seepage of two types of internal implant–abutment connections. Materials and Methods: Twenty dental implants are categorized into two groups. Group A fixtures with an internal hexagonal geometry and group B fixtures with a tri-lobe internal connection. All implant–abutment assemblies underwent a three-week incubation period at 37°C in sterile tubes containing 5 mL of Staphylococcus aureus broth culture. Through the use of Gram stain and biochemical processes, the resultant colonies were recognized. Results: The mean Log10 colony forming unit (CFU) in group A was 8.4 and in group B was 7.2. The variation between both groups was found to be considerable (P < 0.05). Microgap was more in group B compared to group A. Conclusion: Bacteria may infiltrate the small area between the implant and the abutment. Compared to dental implant fixtures with a tri-lobe internal connection, there was a noticeably higher Log10 CFU in dental implant fixtures with an internal hexagonal geometry.

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

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