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New dental implant design may eliminate need for bone grafting

NCT ID NCT04712565

Disease control Sponsor: Medical University of Graz 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
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 2 times

Summary

This study tested a new dental implant with a sloped neck against a standard implant that requires bone grafting. Forty adults needing a single tooth replacement were randomly assigned to one of the two groups. The goal was to see if the sloped design could maintain bone and gum health without the extra grafting procedure.

What this could mean

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

Active substance
dental implant with sloped neck configuration
What this could lead to
If successful, this could simplify dental implant procedures by reducing the need for bone grafting, potentially shortening recovery time.
What could go wrong
This is a small, early-stage study with only 40 participants, so results may not apply to everyone. The sloped implant may not maintain bone as well as the conventional approach.

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

40 people

The number who actually took part.

Started

Jan 2021

Finished

Sep 2025

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 99 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: * Written consent after clarification * capability of giving an informed consent * good health as defined by the subjects medical history (no contraindications as described in the exclusion criteria below) * age 18 years of age and over * Good periodontal status: BOP \< 20%, PI \< 30%, no PD \> 4mm * No heavy smokers (\< 10 cigarettes/day) * At least 1 missing tooth in the premolar and molar region (in selected cases in the frontal area) either in the maxilla or in the mandible requiring implant therapy for reconstruction. * implant site must present a buccal bone defect not extending a lingual-buccal or buccal-palatinal height discrepancy of 5mm and a sufficient bone width for simultaneously GBR procedure * implant site must present at least a neighbouring tooth on its mesial aspect Exclusion Criteria: * Insufficient bone volume for implant placement requiring a sinus floor elevation or extensive bone augmentation * Heavy Smokers (\>10 cigarettes/day) * Medication with a contraindication for implant therapy * Skeletal immaturity * Any active malignancy or ongoing treatment for malignancy * An active infection at the operative site * Contraindications to the class of drugs which are used at regular surgical procedures, e.g. known hypersensitivity or allergy to class of drugs or the investigational product, except penicillin-allergy * Pregnancy * unable or unwilling to return for follow-up visits for a period of at least 16 months

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Conditions

The condition(s) this trial relates to.

Tooth Loss

As listed by the trial registrant

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

Tooth loss

Contacts and locations

Locations

  • Medical Universtiy Graz

    Graz, 8010, Austria

More trials for these conditions

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