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Search / Trial NCT04328051

Influence of the Implant-prosthetic Connection in the Marginal Bone Loss and Bacterial Leakage

Launched by UNIVERSITY OF BARCELONA · Mar 27, 2020

Trial Information

Current as of August 27, 2025

Unknown status

Keywords

Dental Implant Internal Connection External Connection Conical Connection Marginal Bone Loss Implant Prosthetic Connection Bacterial Leakage

ClinConnect Summary

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 paper...

Gender

ALL

Eligibility criteria

  • Inclusion Criteria:
  • Subjects who accept signing voluntarily the informed consent before doing any action related to the study.
  • ≥18-years-old patients.
  • Edentulous single spaces or edentulous posterior maxilla or mandible (from the first premolar to the second molar) with screw-retained single fixed crowns.
  • Single implants successfully osseointegrated placed at least 16 weeks post-extraction.
  • O'Leary plaque index and or bleeding on probing ≤25%.
  • Dental implants with screwed-retained prosthesis.
  • Exclusion Criteria:
  • Systemic diseases that can interfere dental implant placement.
  • Any contraindication for surgery procedures.
  • Heavy smokers (\> 20cig/day).
  • Background of drug abuse or other factors such as psychiatric diseases that, in opinion of the examiner, could interfere with the ability of the patient to cooperate and compliment with the study.
  • Patients who have had participated with another clinical trial the last 30 days.
  • Pregnant women or in lactation.
  • Patients with bad oral hygiene or not motivated.
  • Probing pockets depths with bleeding of ≥4 mm on a tooth adjacent to the edentulous space.
  • Guided bone regeneration required in the same time of the implant placement.

About University Of Barcelona

The University of Barcelona, a prestigious institution renowned for its commitment to research and academic excellence, serves as a leading sponsor for clinical trials aimed at advancing medical knowledge and improving patient outcomes. With a rich history of innovation and collaboration, the university leverages its multidisciplinary expertise and state-of-the-art facilities to conduct rigorous clinical research across various fields, including medicine, pharmacology, and public health. Through its robust network of partnerships with healthcare providers and research organizations, the University of Barcelona is dedicated to fostering advancements in clinical practice and contributing to the development of effective therapies and interventions.

Locations

L'hospitalet De Llobregat, Catalunya, Spain

Patients applied

0 patients applied

Trial Officials

Rui Figueiredo, DDS, MS, PhD

Study Director

University of Barcelona

Eduard Valmaseda-Castellón, DDS, MS, PhD

Study Chair

University of Barcelona

Octavi Camps-Font, DDS, MS

Principal Investigator

University of Barcelona

Roxana Ghiorghiu, DDS, MS

Principal Investigator

University of Barcelona

Laura Rubianes-Porta, DDS, MS

Principal Investigator

University of Barcelona

Anna Piñol-Olea, DDS, MS

Principal Investigator

University of Barcelona

Timeline

First submit

Trial launched

Trial updated

Estimated completion

Not reported

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