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A retrospective study of premolar restored with post and core crowns

A retrospective study of premolar restored with post and core crowns

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500114683
Enrollment
Unknown
Registered
2025-12-16
Start date
2024-09-06
Completion date
Unknown
Last updated
2026-01-05

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

Conditions

tooth defect

Interventions

glass fiber post group:NA
metal post:NA

Sponsors

Stomatology Hospital,Zhejiang University School Medicine
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1. Age 18-70 years; 2. Tooth mobility < 1 degree; 3. Radiographic examination of endodontically treated teeth shows no significant hypodensity in the apical region and no alveolar bone resorption; 4. No progressive, uncontrolled periodontal disease; 5. No serious systemic diseases, able to maintain oral hygiene on their own; 6. Good compliance and signed informed consent.

Exclusion criteria

Exclusion criteria: 1. Pregnant women, smokers and those with periodontal inflammation at follow-up visits; 2. Patients with mental illness or cognitive impairment; 3. Patients with abnormal occlusal relationships; 4. Patients with abnormal root canal morphology; 5. Patients with severe night grinding and clenching habits; 6. Patients with functional disorders of the stomatognathic system, with uncontrolled temporomandibular joint disorders.

Design outcomes

Secondary

MeasureTime frame
Aesthetic performance of the restoration;Functional characteristics of the restoration;Biological performance of the restoration;Patient satisfaction;

Primary

MeasureTime frame
Retention rate of restorations;

Countries

China

Contacts

Public ContactLing Zhang

Stomatology Hospital,Zhejiang University School Medicine

jorlinzhang@zju.edu.cn+86 13588095668

Outcome results

None listed

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