NCT05664425

Brief Summary

This two-arm, single-blinded, monocentric, controlled, randomised clinical study is designed to examine the effect of professional submucosal treatment by means of ultrasonics with plastic tip (test group), as compared to no professional submucosal instrumentation (control group), in the treatment of peri-implant mucositis (PIM). Both groups will have oral hygiene instruction/reinforcement (OHI) at baseline and repeated at 3 months. In the study, 50 participants will be enrolled (25 per group), with each patient contributing one implant with PIM. Peri-implant sulcus fluid (PISF) samples will be obtained at baseline, 3- and 6-months to analyse the change of relevant biomarkers over the course of PIM treatment. Intraoral scans will be performed at baseline, 3- and 6-months to analyse potential soft-tissue volumetric changes according to treatment.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
56

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Mar 2023

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

December 8, 2022

Completed
15 days until next milestone

First Posted

Study publicly available on registry

December 23, 2022

Completed
2 months until next milestone

Study Start

First participant enrolled

March 1, 2023

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 25, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 25, 2025

Completed
Last Updated

March 7, 2025

Status Verified

March 1, 2025

Enrollment Period

2 years

First QC Date

December 8, 2022

Last Update Submit

March 4, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Bleeding on probing (BoP) extent

    Reduction in the extent of BoP as measured on six sites per implant

    6 months

Secondary Outcomes (7)

  • Peri-implant sulcus fluid (PISF) biomarkers

    6 months

  • Intraoral digital scan

    6 months

  • Disease resolution

    6 months

  • Severity of BoP

    6 months

  • Probing pocket depth (PPD) reduction

    6 months

  • +2 more secondary outcomes

Study Arms (2)

Mechanical treatment arm + oral hygiene reinforcement

EXPERIMENTAL

Subjects receive oral hygiene reinforcement, and additionally submucosal instrumentation with ultrasonics with a plastic tip.

Device: Ultrasonic debridement

Oral hygiene reinforcement alone

NO INTERVENTION

Subjects receive oral hygiene reinforcement, but do not receive submucosal instrumentation.

Interventions

Ultrasonic debridement with a plastic/teflon tip (2 minutes + 1 minute irrigation)

Mechanical treatment arm + oral hygiene reinforcement

Eligibility Criteria

Age20 Years - 100 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Subject must be ≥ 20 years
  • Subject must have one implant presenting PIM as defined according to the World Workshop 2017 criteria (presence of BoP and/or suppuration (SoP), without bone loss exceeding 0.5 mm beyond crestal bone level changes resulting from initial remodeling, regardless of PPD. In absence of baseline radiographs (i.e., 0-1 year after loading) a bone level of \<2mm from the top of the intraosseous part of the implant is considered as the reference threshold)
  • Cleansable prosthesis (an interproximal brush must be able to pass from side to side at interproximal aspects tangential to the peri-implant sulcus, and a brush has to be able to reach the buccal and palatal/lingual sulcus).
  • No evidence of occlusal overload
  • No cement remnants identified on radiographs or clinically
  • Implant-supported fixed restoration inserted at least 6 months before patient enrolment and not interfering with assessment of clinical parameters at more than 3/6 sites
  • Periodontally healthy subjects or treated periodontitis (no residual site with PPD ≥ 5 mm)
  • Full-mouth plaque (FMPS) and bleeding (FMBS) score ≤ 20%¬¬¬¬¬¬¬ at screening visit
  • Non-smokers or light-smokers (\<10 cigarettes per day)
  • Competent to give consent

You may not qualify if:

  • Previous radiotherapy, current use of chemotherapy, systemic long-term corticosteroid treatment
  • Hematologic disorders
  • Pregnant subjects
  • Patients classified as \> class 2 according to the ASA (American Society of Anesthesiologists) physical status classification
  • No systemic antibiotic treatment within 3 months prior to intervention

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo

Oslo, 0455, Norway

Location

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
INVESTIGATOR
Masking Details
Investigator-blinded
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Parallell group two-arm randomised study
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal investigator

Study Record Dates

First Submitted

December 8, 2022

First Posted

December 23, 2022

Study Start

March 1, 2023

Primary Completion

February 25, 2025

Study Completion

February 25, 2025

Last Updated

March 7, 2025

Record last verified: 2025-03

Data Sharing

IPD Sharing
Will not share

IPD will be available for other researchers upon reasonable request and as long as in accordance with ethical committee and national GDPR rules.

Locations