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Retrospective clinical analysis of risk factors associated with failed narrow implant-supported restorations at posterior region

Retrospective clinical analysis of risk factors associated with failed narrow implant-supported restorations at posterior region

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200062337
Enrollment
Unknown
Registered
2022-08-02
Start date
2022-08-02
Completion date
Unknown
Last updated
2023-04-12

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

Conditions

Dentition defect

Interventions

Given that this research was a retrospective research of the risk factors of failed narrow-diameter implant, only one intervention was applied (insertion of narrow diameter implant), Groups were divid

Sponsors

School and Hospital of Stomatology, Wuhan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 90 Years

Inclusion criteria

Inclusion criteria: Patients who received narrow-diameter implant (diameter less than or equal to 3.5mm) insertion first-stage surgery at School and Hospital of Stomatology, Wuhan University from November 1996 to March 2022.

Exclusion criteria

Exclusion criteria: Patients with following conditions: Insertion failure during implant surgery; Only bone augmentation procedure was conducted but not implant insertion; incomplete information.

Design outcomes

Primary

MeasureTime frame
Dental implant failure;—

Secondary

MeasureTime frame
Mechanical complications, including implant fracture, crown fracture, veneer chipping, etc.;Biological complications, including peri-implant mucositis, peri-implantitis.;—

Countries

China

Contacts

Public ContactWei Ji

School and Hospital of Stomatology, Wuhan University

wei.ji@whu.edu.cn+86 13100615376

Outcome results

None listed

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