Dental crown due to caries
Conditions
Interventions
Group 1: traditional impression with A-silicone, seating of an all-ceramic crown
Group 2: intraoral scan, seating of an all-ceramic crown
Sponsors
3M ESPE AG
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: -Are employed at 3M ESPE -Are between 18 und 65 years -Are in the need of a single crown at posterior teeth -Have study tooth which is free of clinical symptoms -Have no need for additional extended treatment (e.g. endodontic treatment) -Maintain an acceptable standard of oral hygiene -Have given informed consent
Exclusion criteria
Exclusion criteria: -Have advanced periodontitis affecting the mobility of the teeth (Mobility degree higher than 2) -Are pressing, clenching or grinding -Are pregnant or lactating females, since crown preparation and impression means stress for the patient, potentially resulting in an increased adrenalin concentration in the blood. -Are patients with a medical or dental history which could possibly complicate the provision of the proposed restorations and/or influence the behaviour and performance of the restorations in clinical service
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| crown fit marginal, occlusal, interproximal evaluation instrument: probe, mirror, fit checker, occlusal foil evaluation time: before cementation | — |
Secondary
| Measure | Time frame |
|---|---|
| patient comfort during impression taking and scanning, evaluated by questionnaire after impression / scan | — |
Countries
Germany
Outcome results
None listed