Accuracy of fit of crowns fabricated by 2 different impression systems, for healthy patients. Oral Health
Conditions
Interventions
Each tooth included in the study was the investigation unit (or specimen). Each tooth was prepared for crown, and 2 impressions were taken on each tooth (one digital & one conventional). 2 crowns were
Sponsors
Straumann Implant system
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. In need of one or two (if located in contra-lateral quadrants and opposing arches) single crowns on pre-(molar) teeth 2. Subject tooth free of clinical symptoms 3. No requirement for additional endodontic treatment expressed by the presence of a periapical radiolucency around an endodontically treated tooth or a root canal filling <3 months 4. Adequate level of oral hygiene expressed by the absence of signs of periodontal inflammation, bleeding on probing and periodontal pocket depth <4 mm
Exclusion criteria
Exclusion criteria: 1. Advanced periodontitis affecting the mobility of the teeth (mobility degree 2 or higher) 2. Clinical history of bruxism 3. Pregnant or lactating females 4. Marginal preparation situated deeper than 1 mm subgingival
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Marginal misfit of zirconia-ceramic crowns measured in micrometers between 3 and 8 days after the replication of the fit. | — |
Secondary
| Measure | Time frame |
|---|---|
| Internal fit of zirconia-ceramic crowns measured in micrometers between 3 and 8 days after the replication of the fit. | — |
Countries
Spain
Contacts
Public ContactCristina Zarauz
Outcome results
None listed