Association of Implant Position and Crown Contour With Tissue Health

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

122 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-10-01

Study Completion Date

2025-09-30

Brief Summary

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Emergence profile and crown contour of implant supported rehabilitation, which is influenced by implant position, is associated with peri-implant health and esthetic outcomes. However, there is no study prospectively explore the association between implant position, emergence profile/crown contour, and dental implant outcomes. Thus, the present study aims to (1) assess the multivariate association between local factors and peri-implant soft-tissue health, inflammation, and microbiome; and (2) to identify patterns/clusters of implant characteristics significantly associated with health or inflammation.

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Detailed Description

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This will be a prospective study aimed at associating the development of peri-implant mucosal inflammation (mucositis) and deeper inflammation (peri-implantitis with marginal bone loss) with features associated with implant position (three-dimensional position of the implant platform) and the consequent shape of the crown contour and emergence profile. The hypothesis is that implant position determines the shape of the crown, which in turn determines the persistence of a local microbial biofilm as unfavourable crown contours hamper oral hygiene efforts aimed at biofilm control/removal. The persistence of a biofilm will cause soft tissue inflammation, which may lead to microbial dysbiosis and disease.

Conditions

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Dental Implants

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Dental implant rehabilitation

Patients having undergone dental implant treatment, with a single implant-supported restoration in anterior jaws (premolars to premolars), will be included.

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

Patients with a single implant-supported restoration in anterior jaws (premolars to premolars), with adjacent natural teeth, with pre-surgery CBCT and intra-oral scans, and willing to comply with research appointments/schedule.

Exclusion Criteria

* Pregnancy or intention to become pregnant at any point during the study duration;
* With any systematic diseases/conditions that are contradictions to dental implant treatment;
* Inability or unwillingness of individual to give written informed consent.
* Inability of follow-up according to the protocol.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes