Skip to content

Posterior Full Crown with Reserved Access Cavity Based on Digital Technology

Posterior Full Crown with Reserved Access Cavity Based on Digital Technology

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500098828
Enrollment
Unknown
Registered
2025-03-13
Start date
2024-12-10
Completion date
Unknown
Last updated
2025-03-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Tooth defect

Interventions

Intervention group:The restoration was performed using a dental crown, incorporating a special color indicator on the occlusal surface to mark the position of the pulp

Sponsors

Hangzhou Linping Hospital of Integrated Traditional Chinese and Western Medicine
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

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

MeasureTime frame
The coincidence rate between the actual access cavity and the preset access cavity;

Secondary

MeasureTime frame
The deviation distance between the actual access cavity and the preset access cavity;

Countries

China

Contacts

Public ContactFang Wang; Minghao Zuo

Hangzhou Linping Hospital of Integrated Traditional Chinese and Western Medicine

869666129@qq.com+86 571 8616 3672

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026