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Dental implant study tests new connector to save bone and gums

NCT ID NCT05883202

Knowledge-focused Sponsor: Universidad de Granada Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused This study
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares two types of abutment-prosthesis connections for dental implants: a newer internal conical system (Connect®) versus a traditional external flat system (multi-unit). Researchers want to see which one leads to less bone loss and better gum health around the implant. The study involves 40 people who need multiple implants in their lower jaw. It is currently suspended, so results are not yet available.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Connect® abutment (device) vs. conventional multi-unit abutment (device)
What this could lead to
If successful, this could help dentists choose the best abutment type to reduce bone loss and improve gum sealing around dental implants.
What could go wrong
This is a small, suspended study with only 40 participants, so results may not apply widely. The comparison is technical and may not lead to major clinical changes.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 40 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jul 2023

Expected to finish

Jul 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 75 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion criteria: * Kennedy class I or II (unilateral or bilateral free end) or III (posterior intermediate edentulous section) mandibular requiring 2 implants to restore at least 2 molars, 2 molars and 1 premolar, or 2 premolars and 1 molar. * Possibility of placing a transgingival abutment at least 2 mm high. Exclusion criteria: * Need for simultaneous bone augmentation. * Heavy smokers (\>10 cigarettes/day). * Uncontrolled type 1 or 2 diabetes (HgA1c\>8). * Known autoimmune or inflammatory disease. * Serious blood disorders, such as hemophilia or leukemia. * Local or systemic infection that may compromise normal healing (e.g., extensive periapical pathology). * Liver or kidney dysfunction/failure. * Currently receiving cancer treatment or within 18 months from completion of radio- or chemotherapy. * Long-term history of oral bisphosphonates use (i.e., 10 years or more). * History of intravenous bisphosphonates. * Long-term (\>3 months) history of antibiotics or drugs known to alter the inflammation and/or immunological system 3 months before inclusion. * Severe osseous diseases (e.g., Paget disease of bone). * Pregnant women or nursing mothers. * Not able or not willing to follow instructions related to the study procedures.

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Conditions

The condition(s) this trial relates to.

Jaw, Edentulous, Partially

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Jaw, edentulous, partially

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Universidad de Granada

    Granada, Granada, 18071, Spain

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