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The comparation of cement-retained implant prothesis and screw-retrievable and cement-retained implant supported prothesis

The comparation of cement-retained implant prothesis and screw-retrievable and cement-retained implant supported prothesis

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2100047082
Enrollment
Unknown
Registered
2021-06-07
Start date
2021-07-06
Completion date
Unknown
Last updated
2025-03-03

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

Conditions

dentition defect

Interventions

Experimental group1:cement is used to connect implant abutment and crown in clinical
Experimental group2:implant abutment and crown is pre-cemented in the lab

Sponsors

The Affiliated Hospital of Stomatology, School of Medicine, Zhejiang University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Healthy aged >= 20 years; 2. Implant-supported restoration of single missing first molar; 3. In healthy dental and periodontal conditions; 4. Natural adjacent and opposing dentition, and tooth mobility < 1mm; 5. Willing to participate in this study and provide an informed consent.

Exclusion criteria

Exclusion criteria: 1. Psychological disorders; 2. Loose or painful adjacent teeth affecting occlusion; 3. Unstable occlusal relationship; 4. Undergoing orthodontic treatment.

Design outcomes

Primary

MeasureTime frame
occlusal contact area(OCA);—

Secondary

MeasureTime frame
proximal contact tightness(PCT);—

Countries

China

Contacts

Public ContactZhou Yiqun

The Affiliated Hospital of Stomatology, School of Medicine, Zhejiang University

543664859@qq.com+86 571 8721 7419

Outcome results

None listed

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