Abrasion of artificial dental crowns in comparison
Conditions
Interventions
Group 1: Crowning with all-ceramic crown lithium disilicate
Group 2: Crowning all-ceramic crown zirconia
Group 3: Crowning metal-ceramic crown feldspathic ceramic
Sponsors
Charité-Universitätsmedizin Berlin, Abteilung für Zahnärztliche Prothetik, Alterszahnmedizin und Funktionslehre
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: - = 18 years - signed declaration of consent - pre-prosthetic treatment completed with teeth in need of crowning - antagonistic teeth present; only conservatively restored with fillings only; occlusal contacts in natural tooth structure
Exclusion criteria
Exclusion criteria: - Pregnancy at the beginning of the study - = 18 years - Pre-prosthetic treatment not completed - missing natural, antagonistic dentition and/or implant-supported, antagonistic denture - Occlusal contacts are not in natural tooth structure
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Wear [µm] of metal-ceramic, silicate-ceramic and oxide-ceramic crowns. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. 36-month survival rate of all-ceramic restoration. 2. occlusion control (static occlusion control + shim stock) approximal contacts 3. technical complications (surface quality, shade matching, integration of the restoration into the dentition) 4. changes in OHIP (Oral Health Impact Profile) at intervals of 6, 12, 24 and 36 months after insertion of the restoration | — |
Countries
Germany
Contacts
Public ContactMagda Bennett
Charité-Universitätsmedizin Berlin, Abteilung für Zahnärztliche Prothetik, Alterszahnmedizin und Funktionslehre
Outcome results
None listed