Different materials for posterior all-ceramic CAD/CAM generated single crowns: a randomized prospective controlled clinical trial

Different materials for posterior all-ceramic CAD/CAM generated single crowns: a randomized prospective controlled clinical trial - CAD / CAM crowns

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00011173

Enrollment

Registered

2017-01-17

Start date

2017-03-22

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

Missing single crown (molar or premolar)

Interventions

Group 1: Monolithic CAD/CAM single crown: e.max CAD Group 2: Monolithic CAD/CAM single crown: VITA Enamic Group 3: Monolithic CAD/CAM single crown: VITABLOCS Mark II

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: - Need for a single crown in the posterior region of the maxilla or mandible - Presence of antagonists - Signed Informed Consent form

Exclusion criteria

Exclusion criteria: - Women who are pregnant at the date of inclusion - Smoking more than 15 cigarettes a day - Poor oral hygiene after hygienic phase (Plaque Index over 30%) - Active periodontal disease - Bruxism

Design outcomes

Primary

Measure	Time frame
Crown survival rate after 1, 3 and 5 years. Survival of a crown means that the crown remained in situ.	—

Secondary

Measure	Time frame
Technical and biological complication rates after 1, 3 and 5 years	—

Countries

Switzerland

Contacts

Public ContactCarolin Fischer

Universität Zürich, Zentrum für Zahnmedizin, Klinik für Rekonstruktive Zahnmedizin

research.rzm@zzm.uzh.ch+41 44 634 04 04

Outcome results

None listed

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