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Effect of Position and Angle of Retention Pins on Implant Accuracy: a retrospective study

Effect of Position and Angle of Retention Pins on Implant Accuracy: a retrospective study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200060029
Enrollment
Unknown
Registered
2022-05-15
Start date
2022-05-05
Completion date
Unknown
Last updated
2024-04-15

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

Conditions

Dentition Defect

Interventions

case series:Free deletion implant implantation

Sponsors

West China Hospital of Stomatology, Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1. Aged >=18 years; 2. Free dentition defect; 3. Good bone mass without bone increment.

Exclusion criteria

Exclusion criteria: 1. Currently or ever have a serious systemic disease; 2. Long-term steroid anti-inflammatory drug treatment; 3. Pregnancy or lactation; 4. Heavy smokers (more than 10 cigarettes/day), alcoholics and drug abusers; 5. Poor oral hygiene; 6. Failure to complete follow-up.

Design outcomes

Primary

MeasureTime frame
Implant neck deviation distance;Implant root deviation distance;Implant deviation angle;—

Countries

China

Contacts

Public ContactMan Yi
manyi780203@126.com+86 13308083783

Outcome results

None listed

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