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Comparison of single crown versus combined crown of implant-supported restorations with continuous multiple tooth loss: a short-term prospective follow-up

Comparison of single crown versus combined crown of implant-supported restorations with continuous multiple tooth loss: a short-term prospective follow-up

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2100053913
Enrollment
Unknown
Registered
2021-12-02
Start date
2022-01-01
Completion date
Unknown
Last updated
2022-10-31

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

Conditions

Edentulous

Interventions

Experimental group1:combined crown of implant-supported restorations
Experimental group2:Implant single crown restoration

Sponsors

Affiliated Stomatological Hospital of Sun Yat-Sen University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18 to 65 years; 2. Understand and agree to the operation, have good medical compliance, and are willing to participate in and assist in this clinical research; 3. The patient has multiple consecutive missing teeth; 4. The patient has been missing teeth for more than 3 months; 5. The occlusal gingival distance is sufficient; 6. Periodontal condition is good, no smoking.

Exclusion criteria

Exclusion criteria: 1. The general condition is poor and cannot tolerate dental implant surgery; 2. Systemic diseases, including but not limited to uncontrolled diabetes, hypertension, etc.; 3. A history of radiation therapy to the head and neck or a history of chemotherapy within 1 year; 4. Heavy smoking history (>=10 cigarettes/day) or untreated chronic periodontitis; 5. Severe bad oral habits (such as night bruxism); 6. Those who have failed implantation in the surgical area and need to be replanted.

Design outcomes

Primary

MeasureTime frame
survival rate of dental implants;

Countries

China

Contacts

Public ContactDeng Feilong

Affiliated Stomatological Hospital of Sun Yat-Sen University

dengfl@mail.sysu.edu.cn+86 13602838703

Outcome results

None listed

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