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Prospective clinical trial evaluating 3D-printed provisional dental crowns and bridges

Prospective clinical trial evaluating 3D-printed provisional dental crowns and bridges

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00033356
Enrollment
60
Registered
2024-02-02
Start date
2024-01-11
Completion date
Unknown
Last updated
2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

provisional dental crowns and bridges on teeth that require crowning

Interventions

Group 1: The patients receive provisional dental crowns. The differently fabricated temporaries (milled and printed) are each worn for 3 months. Group 2: The patients receive provisional three-unit

Sponsors

Klinik für Zahnärztliche Prothetik
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients older than 18 years who are treated at the Department of Prosthetic Dentistry, University of Freiburg, Germany are included in the study. The patients are in need of dental crowns or three-unit dental bridges for medical reasons. The dental crowns or dental bridges can be part of a larger prosthetic treatment in which the patients receive further dental crowns/bridges or a removable denture. A provisional phase of at least 6 months is necessary. The patient's general state of health must permit dental treatment. The pain-free jaw opening must be larger than 40 mm.

Exclusion criteria

Exclusion criteria: Patients younger than 18 or patients who cannot give informed consent for other reasons are excluded. Patients with known allergies to the materials used are also excluded. Patients who cannot/should not undergo dental treatment due to their current state of health, as well as patients who are not in need of crowns/bridges for medical reasons or who require definitive treatment in the near future, are also excluded from the study. Another exclusion criterion is a pain-free mouth opening of less than 40 mm and a refusal to participate in the study.

Design outcomes

Primary

MeasureTime frame
Gingival health measured as bleeding on probing (BOP). This is mesured when the first temporary restoration is inserted, when the second temporary restoration is inserted after 3 months and after the second temporary restoration has been replaced by the permanent restoration after 6 months.

Secondary

MeasureTime frame
Fit and surface texture of the provisional crown or bridge, plaque accumulation on the provisional, patient satisfaction/quality of life with the provisional, fracture and debonding rates, esthetics and wear through chewing process. The clinical examination of the temporary restoration, the intraoral scan to check for wear and the quality of life questionnaire are also carried out when the first temporary restoration is inserted, when the second temporary restoration is inserted after 3 months and after the second temporary restoration has been replaced by the permanent restoration after 6 months.

Countries

Germany

Contacts

Public ContactKerstin Rabel

Klinik für Zahnärztliche Prothetik

kerstin.rabel@uniklinik-freiburg.de076127049680

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026