Loss of Tooth Substance
Conditions
Interventions
Group 1: hybrid ceramic ("HC", test)
Group 2: lithium disilicate ceramic ("LD", control)
Sponsors
Zentrum für Zahnmedizin, Klinik für Rekonstruktive Zahnmedizin
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: - = 18 years of age - Eroded posterior dentition - In need of increasing the vertical dimension = 1 mm (in the premolar region) - In need of minimal 4 posterior restorations (2 per side) in the maxilla and/or mandible - A signed informed consent
Exclusion criteria
Exclusion criteria: - Women who are pregnant, or breast feeding at the date of inclusion - Known or suspected non-compliance, drug or alcohol abuse - Inability to follow the procedures of the study, e.g. due to language problems, psychological disorders, dementia, etc. of the participant - Diagnosis of active bulimia nervosa or anorexia - Untreated periodontal disease - Teeth in need of a conventional full-crown restoration - Clinical signs of active bruxism
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| As a primary outcome, the success rate of the posterior restorations, based on the ratings of the USPHS criteria, will be compared among the two restorative materials after 5 years of function. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary endpoints will be assessed at different time-points: Baseline, 1-year, 3-year and 5-years. - Patient related outcome measures (PROMs) evaluated with the OHIP-14 questionnaire - Periodontal and clinical parameters - Volumetric analysis of the casts - Success rates, based on the USPHS criteria - Time and costs for aftercare interventions | — |
Countries
Switzerland
Contacts
Public ContactAlexis Ioannidis
Zentrum für Zahnmedizin, Klinik für Rekonstruktive Zahnmedizin
Outcome results
None listed