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Dental implant design may affect bone health, new study suggests

NCT ID NCT05859113

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

What the study statuses mean

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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
Paused for now. It may or may not start again.
Ongoing This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at how the type of connection in dental implants affects bone loss around them. Researchers will compare two types of connections (conical vs. hexagonal) in 42 people who are missing one tooth. They will measure bone levels, bacteria, and inflammation over time to see which connection works better.

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 42 people

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

Started

Jul 2023

Expected to finish

Dec 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: * One missing tooth in the premolar or molar area with both opposing and adjacent teeth (mesial and distal). Exclusion Criteria: * One-stage bone augmentation. * Uncontrolled type 1 or 2 diabetes (HgA1c\>8). * Known auto-immune or inflammatory disease. * Severe hematologic 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

Contacts and locations

Locations

  • Universidad de Granada

    Granada, Granada, 18071, Spain

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Other studies related to the condition(s) this trial covers.