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Restoration of Posterior TeethNCT01464294

Clinical Evaluation of Chairside CAD/CAM Nano-ceramic Restorations

An observational study of Restoration of Posterior Teeth, run by Solventum US LLC at 1 site in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

Study aim is to test whether nano-composite CAD/CAM milled restorations have a similar performance in clinical service to conventional ceramic CAD/CAM restorations. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Restoration of Posterior Teeth
What is being tested?
Milled ceramic restorations and Milled nano-composite restorations
Type of treatment
Medical device
How many people
120 participants
Where
1 siteUnited States
Study dates
Oct 2011to Dec 2014
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: Patients attending and/or under clinical treatment at the University of Michigan Dental Clinics

Who may be able to join

  • Patient 18 years of age or over
  • To have at least one carious lesion or defective restoration in a molar or premolar tooth, cavities to be large enough to warrant a milled restoration of either a crown or onlay
  • Teeth to be vital and asymptomatic

Who cannot join

  • Devital or sensitive teeth
  • Teeth that have had root canal treatment
  • Patients with significant untreated dental disease including periodontitis and rampant caries
  • Pregnant or lactating women

Trial locations and contacts

1 site in 1 country.

United States1 site
  • School of Dentistry, Unversity of Michigan

    Ann Arbor, Michigan, 48109

Other trials in United States

About this study

Study aim is to test whether nano-composite CAD/CAM milled restorations have a similar performance in clinical service to conventional ceramic CAD/CAM restorations.

Being tested
Milled ceramic restorations, Milled nano-composite restorations
Keywords
CAD/CAM, crowns, onlays, composite block, milled restorations

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Milled ceramic restorationsDevice

    Also called Empress CAD/CAM leucite porcelain (Ivoclar Vivadent)

    Restoration of back teeth with milled ceramic crowns or onlays

  • Milled nano-composite restorationsDevice

    Also called Lava Ultimate CAD/CAM Restorative (3M ESPE)

    Restoration of back teeth with milled crowns or onlays

Study groups in NCT01464294
Study groupRoleWhat they receive
nano-compositecrowns and onlays
Receives: Device: Milled nano-composite restorations
ceramiccrowns \& onlays
Receives: Device: Milled ceramic restorations

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. clinical performance

    Subjective evaluation of restorations using USPHS criteria

    Measured: 3 years

Secondary outcomes (1)
  1. Luting cement

    Subjective evaluaton of performance of a nano-filled resin luting cement used to cement the study onlays

    Measured: 3 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted3 Nov 2011 (estimated)
  2. Study startOct 2011
  3. Primary completionDec 2014
  4. Study completionDec 2014

Why it stopped: not a required sutudy to be posted

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Case-control
Time perspective
Prospective
Enrolment
120 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01464294
Sponsor's protocol ID
3M ESPE CR-10-019
Status last verified
Nov 2024
First submitted
27 Oct 2011
Last updated
2 Dec 2024
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

An observational study of Restoration of Posterior Teeth, run by Solventum US LLC at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 2 Dec 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study was stopped early (reason given: not a required sutudy to be posted). Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

clinical performance (time frame: 3 years). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 2 Dec 2024.

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