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A retrospective cohort study on the long-term prognosis of implant-supported restoration in second molars

A retrospective cohort study on the long-term prognosis of implant-supported restoration in second molars

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2300073214
Enrollment
Unknown
Registered
2023-07-04
Start date
2023-05-01
Completion date
Unknown
Last updated
2023-07-10

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

Conditions

Dental defects with bone defect

Interventions

Simultaneous implant-supported restoration of the first and second molars:N/A
Implant-supported restoration of only the first molar:N/A

Sponsors

West China Stomatological Hospital of Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: (1) The patient's first and second premolars are present at the initial visit, while the first and second molars are missing or unable to be preserved; (2) Complete and reliable preoperative, intraoperative, and postoperative data and photographs are retrievable.

Exclusion criteria

Exclusion criteria: Non-simultaneous implant-supported restoration of the first and second molars.

Design outcomes

Primary

MeasureTime frame
Crest Bone Level;—

Secondary

MeasureTime frame
Vertical Bone Level;—

Countries

China

Contacts

Public ContactMan yi

West China Stomatological Hospital of Sichuan University

manyi780203@126.com+86 133 0808 3783

Outcome results

None listed

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