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Oral Implantology

EFFICACY OF A NEW COATING OF IMPLANTABUTMENT CONNECTIONS IN REDUCING BACTERIAL LOADING: AN IN VITRO STUDY

Original research, 1 - 10
doi: 10.11138/orl/2017.10.1.001
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Abstract
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Background. Titanium is the gold standard for dental implants, since it has demonstrated excellent biocompatibility and osseointegration properties. The rate of osseointegration is however affected by the surface morphology and peri-implant infections may affect fixture and the long-term osseointegration outcome. Thus chemical composition of a coating at the implant-abutment junction (IAJ) surface is expected to play a key role in preventing bacterial infection.
Purpose. In the present study a new antimicrobial polysiloxane coating functionalized with chlorexidine digluconate (PXT) has been tested in an in vitro model.
Materials and methods. Twenty implants were coated in the internal chamber with PXT and twenty were used as controls.
Results and conclusions. Ten of the coated implants, preliminarily tested against Gram positive and negative bacteria and fungi, showed a complete inactivation of the microbial species after a 15 min contact. On the remaining ten treated implants a series of microbiological tests and PCR analysis, after contamination of the implant external medium, in which the implant have been immersed, with genetic modified Tannerella forsythia (TF) and Porphyromonas Gingivalis (PG), leads to the conclusion that the coating is capable of inactivating the microbial species penetrating the internal of the implant through the implant abutment junction.

Vol. X (No. 2) 2017 April-June

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    Bollero P., Arcuri L., Miranda M., Ottria L., Franco R., Barlattani jr. A.
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  2. UNEXPECTED ARTEFACTS AND OCCULT PATHOLOGIES UNDER CBCT
    Lombardo L., Arreghini A., Guarneri M.P., Lauritano D., Nardone M., Siciliani G.
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  3. ORAL HEALTH AND IMPLANT THERAPY IN PARKINSON’S PATIENTS: REVIEW
    Bollero P., Franco R., Cecchetti F., Miranda M., Barlattani jr. A., Dolci A., Ottria L.
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  4. PREGNANCY AND PERIODONTAL DISEASE: DOES EXIST A TWO-WAY RELATIONSHIP?
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  5. POST EXTRACTIVE IMPLANT: EVALUATION OF THE CRITICAL ASPECTS
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  6. IMMEDIATE LOADING IMPLANTS: REVIEW OF THE CRITICAL ASPECTS
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  7. CURING EFFECTIVENESS OF SINGLE-PEAK AND MULTI-PEAK LED LIGHT CURING UNITS ON TPO-CONTAINING RESIN COMPOSITES WITH DIFFERENT CHROMATIC CHARACTERISTICS
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  9. LONG-TERM PERIODONTAL STATUS OF PALATALLY AND BUCCALLY IMPACTED CANINES AFTER CLOSED SURGICALORTHODONTIC APPROACH
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  10. A NEW IMPLANT-ABUTMENT CONNECTION FOR BACTERIAL MICROLEAKAGE PREVENTION: AN IN VITRO STUDY
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