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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. XI (No. 1) 2018 January-March

  1. INFRAOCCLUSION OF DECIDUOUS MOLARS: A RETROSPECTIVE ANALYSIS OF PREVALENCE, CHARACTERISTICS AND ASSOCIATION WITH OTHER DENTAL ANOMALIES
    Venza N., Danesi C., Cretella Lombardo E., Gazzani F., Laganà G.
    doi: 10.11138/orl/2018.11.1.001
  2. ACROMEGALY AND MODIFICATIONS OF THE CRANIOFACIAL COMPLEX: ORAL IMPLICATIONS
    Luzzi V., Guarnieri R., Ierardo G., Bossù M., Barbato E., Polimeni A.
    doi: 10.11138/orl/2018.11.1.010
  3. PERI-IMPLANT DISEASES AND CARDIOVASCULAR DISEASE: A SYSTEMATIC REVIEWS
    Papi P., Letizia C., Pompa G.
    doi: 10.11138/orl/2018.11.1.016
  4. COMBINING ORTHODONTIC EXTRUSION AND GUIDED BONE REGENERATION (GBR) FOR BONE AUGMENTATION AND IMPLANT PLACEMENT IN THE AESTHETIC ZONE: TECHNICAL ISSUES AND CASE REPORT
    Caberlotto M., Gobbo M., Bettio E., Soldini C., Ghensi P.
    doi: 10.11138/orl/2018.11.1.024
  5. IMMEDIATE IMPLANT PLACEMENT BY USING BONE-ALBUMIN ALLOGRAFT AND CONCENTRATED GROWTH FACTORS (CGFS): PRELIMINARY RESULTS OF A PILOT STUDY
    Inchingolo F., Ballini A., Georgakopoulos P.G., Inchingolo A.D., Tsantis S., De Vito D., Cantore S., Georgakopoulos I.P., Dipalma G.
    doi: 10.11138/orl/2018.11.1.031
  6. SOFT TISSUE TUNNEL ACCESS INTO THE MANDIBULAR MUCOSA TO OPTIMIZE THE RESULT OF LATERAL MANDIBULAR BONE GRAFTS
    Grecchi F., Gargari M., Grecchi E., Bianco R., Candotto V., Lauritano D.
    doi: 10.11138/orl/2018.11.1.041
  7. HEMIFACIAL MICROSOMIA: CASE REPORT AND LITERATURE REVIEW
    Grecchi F., Candotto V., Mancini G.E., Grecchi E., Gargari M., Lauritano D.
    doi: 10.11138/orl/2018.11.1.052
  8. MULTIDISCIPLINARY ENT-ORTHODONTIC TREATMENT IN A HYPERTENSIVE PATIENT AFFECTED BY SEVERE OSAS
    De Stefani A., Bruno G., Mezzofranco L., Perri A., Marchese Ragona R., Gracco A.
    doi: 10.11138/orl/2018.11.1.059
  9. EXTERNAL ROOT RESORPTION DUE TO IMPACTED THIRD MOLARS
    Kondylidou-Sidira A., Koliniotou-koumpia E., Kaklamanos E.G., Kavadia-Tsatala S., Antoniades K.
    doi: 10.11138/orl/2018.11.1.064
  10. HPV RELATED HEAD AND NECK CARCINOMA: A SHORT LITERATURE REVIEW ON TREATMENTS
    Candotto V., Gargari M., Gaudio R.M., Cura F., Baggi L., Arcuri C., Gatto R., Nardone M., Spadari F., Carinci F.
    doi: 10.11138/orl/2018.11.1.072
  11. MULTIPARAMETRIC EVALUATION OF FITTING ACCURACY FOR DIFFERENT COMBINATIONS OF IMPLANT-ABUTMENT COUPLING AT MARGINAL INTERFACE
    Marrelli M., Vertucci V., Amantea M., Maletta C., Codispoti B., Gargari M., Tatullo M.
    doi: 10.11138/orl/2018.11.1.077
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