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Register:	German Clinical Trials Register
Last refreshed on:	8 April 2024
Main ID:	DRKS00006276
Date of registration:	09/07/2014
Prospective Registration:	No
Primary sponsor:	Zahnmedizinisches Zentrum Universität Genf,
Public title:	All-ceramic versus metal-ceramic (VMK) posterior bridges
Scientific title:	All-ceramic versus metal-ceramic (VMK) posterior bridges
Date of first enrolment:	18/06/2002
Target sample size:	80
Recruitment status:	Complete
URL:	http://drks.de/search/en/trial/DRKS00006276
Study type:	interventional
Study design:	Allocation: Randomized controlled study; Masking: Open (masking not used); Control: active; Assignment: parallel; Study design purpose: treatment
Phase:	N/A

Countries of recruitment
Switzerland

Contacts

Name:	Daniel Thoma
Address:	Plattenstrasse 11 8032 Zürich Switzerland
Telephone:	+41 44 634 04 04
Email:	research.rzm@zzm.uzh.ch
Affiliation:	Universität ZürichZentrum für ZahnmedizinKlinik für Rekonstruktive Zahnmedizin

Name:	Daniel Thoma
Address:	Plattenstrasse 11 8032 Zürich Switzerland
Telephone:	+41 44 634 04 04
Email:	research.rzm@uzh.ch
Affiliation:	Universität Zürich, Zentrum für Zahnmedizin, Klinik für Rekonstruktive Zahnmedizin

Key inclusion & exclusion criteria

Inclusion criteria: at least 1 edentulous space in the posterior region
Exclusion criteria: Severe systemic disease,
Pregnancy,
Periodontal:
- Probing depth (abutment teeth) = 5
- Bleeding on probing = 50%
- Plaque index = 50%
Dental:
- Non-vital abutment teeth, not root-treated
- Root-treated abutment teeth treated with periapical change,
bruxism

Age minimum: 25 Years
Age maximum: None
Gender: All

Health Condition(s) or Problem(s) studied

K08.1

Loss of teeth due to accident, extraction or local periodontal disease

Intervention(s)

Group 1: All-ceramic zirconia posterior bridges
Group 2: Metal-ceramic posterior bridges

Primary Outcome(s)

Clinical and radiological examination of the integrity of the posterior bridges (test - and control) and the biological and technical behavior after 1, 3, and 5 years

Secondary Outcome(s)

Examination of the integrity and the biological and technical results of both types of bridges after 10 and 15 years.

Secondary ID(s)

Source(s) of Monetary Support

Universität Zürich, Zentrum für Zahnmedizin, Klink für Rekonstruktive Zahnmedizin

Secondary Sponsor(s)

Ethics review

Status: Approved
Approval date: 10/09/2001
Contact:

info.kek@kek.zh.ch

Kantonale Ethikkommission Zürich

(+41)43-2597970

info.kek@kek.zh.ch

Results

Results available:
Date Posted:
Date Completed:
URL:	http://drks.de/search/en/trial/DRKS00006276#studyResults

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