Bacterial Infections Clinical Trial
Official title:
Influence of the Implant-prosthetic Connection in the Marginal Bone Loss and Bacterial Leakage. A Randomized Controlled Trial
This study consists in a double-blinded randomized controlled trial which objective is to assess the effect of the implant-abutment connection type -external hexagon, internal hexagon and conical connection- in the periimplant marginal bone loss in vertical side and the bacterial leakage 12 months after prosthesis placement.
Location: This study is going to take place in the Dentistry Hospital of the University of
Barcelona (Campus of Bellvitge).
Study subjects: The sample (105 patients) consists of patients with single tooth edentulous
spaces or posterior maxillary and/or mandible edentulous spaces in need of dental implants
with screw-retained single fixed crowns. All of them are being properly informed about the
study according to the Comité Ético (CEIC) del Hospital Odontològic Universitat de Barcelona
guidelines, and informed consent must be signed prior to the interventions.
Material: Registration papers for the study, dental implants, surgery material, prosthetic
components, Florida Probe Software®, Periapical x-rays, computer, Software Stata 14 and
Software ImageJ®.
Determinations: Clinical, radiographic and microbiologic measures since implant placement,
prosthesis placement and 3, 6, 9 and 12 months after it.
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