caries
Conditions
Interventions
CAD/CAM crown are performed on primary teeth that require full restoration. After crown restoration, no intervention is necessary without prognostic or other reasons, but an intraoral examination and
Sponsors
other
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Children aged 3 to 9 years who visited Tokyo Dental College Suidobashi Hospital and Chiba Dental Medical Center between December 25, 2024 and March 31, 2029 who have baby teeth requiring full restorations will be eligible.
Exclusion criteria
Exclusion criteria: Research subjects who cannot get a ferrule of 1.5 mm or more on the abutment tooth Research subjects with significant occlusal wear that could be expected to cause abnormal occlusal forces on the crowns Research subjects who have failed to make at least two follow-up visits or examinations within a minimum of two years after treatment
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The presence and extent of findings (fracture, dehiscence, secondary caries) on the treated tooth at 3 months, 6 months, 1 year, and every year thereafter until the eruption of the succeeding permanent tooth, and the presence and extent of radiographic findings (margin fit, secondary caries) should be evaluated to determine the success or failure of the procedure. If an extracted treated tooth is obtained, it should be observed under a scanning electron microscope and its fit to the abutment tooth should be documented. | — |
Countries
Japan
Contacts
Public ContactTanaka Aoi
Tokyo Dental College Department of Pediatric Dentistry
Outcome results
None listed