Comparison of Conventional Impressions, Intraoral Scanners and Digital Photogrammetry for Full-arch Implant Prosthesis.

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18+
SponsorCentre Hospitalier Universitaire de Liege

About this trial

The aim of this clinical trial is to compare implant-supported definitive impressions in edentulous patients (mandible or maxilla) with 4 to 8 osseointegrated implants. The main questions it aims to answer are :

The primary outcome of this prospective clinical comparative study is to analyse the precision of a complete-arch impression.

The secondary aim is to obtain patient satisfaction with these new types of impression.

The different impressions (conventional, intraoral scanner and photogrammetry) will be taken twice on the same patient.

Eligibility criteria

This trial accepts healthy volunteers

Qualifiers

edentulous maxilla or mandible with 4 to 8 osseointegrated implants (NobelBiocare®) and transgingival abutments tightened to 35N/cm (Multi-unit, NobelBiocare®).

Disqualifiers

Patients with non-osseointegrated implants

Patients with different implant systems

Patients with incomplete edentulism

Trial design

Design model

Single group

Treatments tested in this trial

  • Implant impression

    Other intervention

    definitive impressions on implants

Treatment groups

20 Participants
are divided into 1 treatment group
Group A: Patients with 4-8 osseointegrated implantsOther 1 intervention

Trial outcomes

Primary outcomes

1

Compare the precision of a complete-arch impression

6 impressions are taken on one patient

Time frame
The impressions will be taken on the same day, the appointment lasts one hour.

Secondary outcomes

1

Obtain patient satisfaction with these new types of impression.

Patients complete a satisfaction questionnaire in VAS format

Time frame
The questionnaire is handed out after the impressions, during the only appointment of this study (one hour).

Other outcomes

Sponsors and contacts

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