Tooth defect
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged 18 years or older and under 70 years, with no contraindications for dental restoration. 2. Full crown restoration is required due to dental conditions such as cracked teeth. 3. The abutment tooth must be a vital tooth, with no symptoms of spontaneous pain, nocturnal pain, paroxysmal pain, or occlusal pain associated with pulpitis or periapical periodontitis. 4. Complete information, including pre-restoration CBCT scans and intraoral digital impressions after tooth preparation, is available.
Exclusion criteria
Exclusion criteria: 1. Uncontrolled diabetes, periodontitis, smoking =20 cigarettes/day, severe malocclusion, or harmful occlusal habits (e.g., unilateral chewing, bruxism at night). 2. CBCT prior to restoration reveals significant variations in pulp cavity morphology or severe calcification. 3. Refusal to participate in this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The coincidence rate between the actual access cavity and the preset access cavity; | — |
Secondary
| Measure | Time frame |
|---|---|
| The deviation distance between the actual access cavity and the preset access cavity; | — |
Countries
China
Contacts
Hangzhou Linping Hospital of Integrated Traditional Chinese and Western Medicine