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Status unknownNCT04983758Updated Jul 30, 2021

20-year Implant Survival in Periodontally Healthy and Compromised Patients

An observational study in Dental Implant Failed, Peri-Implantitis and Bone Loss, sponsored by University of Turin, Italy. Status unknown at 1 site in Italy. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2021-07-30.

Sponsored by University of Turin, Italy · Observational

The sponsor has not verified this record recently (last verified Jul 2021), so the status shown — last known as Recruiting — may be out of date.
Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
149
Ages
18 Years and older
Sex
All
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Study summary

The aim of this study will be to compare the long-term outcomes of sandblasted and acid-etched (SLA) implants in patients previously treated for periodontitis and in periodontally healthy patients (PHP) after a follow-up of at least 20-years.

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Conditions studied

  • Dental Implant Failed
  • Peri-Implantitis
  • Bone Loss

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In context

Peri-Implantitis

304 studies on the registry are indexed under Peri-Implantitis; 84 are open to participants now.

This study's planned enrollment of 149 is above the median of 80 across 116 observational studies indexed under Peri-Implantitis.

Browse Peri-Implantitis studies →

Lead sponsor

University of Turin, Italy is the lead sponsor of 206 studies on the registry; 34 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
Yes
Sampling method
Non-probability sample

Study population

All patients attending the principle investigator (M.R.), a specialist in periodontology, for dental implant therapy between December 1998 and September 2001 were screened for possible inclusion in the study.

Inclusion criteria

  • complete edentulism;
  • presence of an implant-supported overdenture;
  • mucosal diseases;
  • alcohol and drug abuse;
  • pregnancy;
  • uncontrolled metabolic disorders;
  • aggressive periodontitis;
  • no interest in participating in the study

Exclusion criteria

Exclusion Criteria:

  • Everything not as Inclusion Criteria
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Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
149 participants (estimated)
Patient registry
No

Groups and cohorts

  • PHP

    Other: Oral Rehabilitation with dental implants

  • Moderate PCP

    Other: Oral Rehabilitation with dental implants

  • Severe PCP

    Other: Oral Rehabilitation with dental implants

Interventions

  • OtherOral Rehabilitation with dental implants

    Patients have been treated with oral dental implants supporting fixed dental prostheses

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What researchers measure

Primary outcomes

  1. Implant survival rate

    Change in percentage of dental implants in situ / dental implants placed

    Time frame: Baseline; 10-year at the 20-year follow-up examination

Secondary outcomes

  1. Marginal Bone loss

    Changes in mm of the peri-implant marginal bone loss

    Time frame: Baseline; 10-year at the 20-year follow-up examination

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Study locations

1 of 1 sites recruiting
  • University of Torino
    Torino, Italy
    • Mario Roccuzzo · Contact
    Recruiting
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References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jul 30, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT04983758
Lead sponsor
University of Turin, Italy
Responsible party
Mario Roccuzzo (Dr. Mario Roccuzzo, University of Turin, Italy) — Principal investigator
First posted
Jul 30, 2021
Start date
Sep 1, 2021 (estimated)
Primary completion
Sep 1, 2022 (estimated)
Completion
Jul 1, 2023 (estimated)
Last update
Jul 30, 2021

Study contacts

Mario Roccuzzo
Contact
mario.roccuzzo@unito.it
+390117714732

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Jul 2021. You cannot join it, but the record below documents what was studied.

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