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Statement of problem: The formation of a marginal gap between the implant and abutment might lead to increased loss of marginal bone due to penetration of bacteria into the implant-abutment interface. As of yet, there are no endosseous dental implant systems that can provide a complete seal at the implant-abutment interface and so this is still an important clinical issue. The testing of different implant abutment connections which may be a factor affecting microleakage is necessary for the successful outcome of dental implant prosthesis.
Aim: The aim of this study was to evaluate and compare microbial leakage at the implant-abutment interface in different implant-abutment connection designs.
Material and Method: Implants and abutments with conical hex (n1=10) and morse taper (n2=10) implant abutment connection designs were procured for the study. Specimens of each group were contaminated with tryptic soy broth cultivated with E. coli bacteria and incubated for 5 days at 37°C. After incubation a swab was taken from the internal surface of the implant and transferred onto culture plates of blood agar nutrient media and incubated for 48 hours. The growth and viability of the E. coli determined the microleakage. Statistical analysis was done by unpaired t-test. The level of significance was set at p≤0.05.
Results: Microleakage was seen in all the specimens. Conical hex IAI exhibited less microleakage. There was significant difference between conical hex and morse taper connection designs.
Conclusion: Within the limitation of the current study it can be concluded that conical hex connection design implants showed reduced microleakage than morse taper connection design implants.
Keywords:
conical hex, morse taper, implant, IAI, microleakage, bacteria, E. coli
Cite Article:
"To Evaluate And Compare Microleakage Of Different Implant Abutment Connection Designs – An In Vitro Study", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.8, Issue 2, page no.12 - 18, February-2023, Available :http://www.ijrti.org/papers/IJRTI2302003.pdf
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ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator