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A randomized controlled trial for reduced-diameter versus standard-diameter implant supporting fixed complete dentures for the rehabilitation of edentulous ridges

A randomized controllde trial for reduced-diameter versus standard-diameter implant supporting fixed complete dentures for the rehabilitation of edentulous ridges

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR1900022123
Enrollment
Unknown
Registered
2019-03-26
Start date
2019-04-11
Completion date
Unknown
Last updated
2019-04-01

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

Conditions

edentulous jaw

Interventions

1:reduced-diameter implant
2:regular-diameter implant

Sponsors

Peking University School and Hospital of Stomatology
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1.Totally edentulous jaw; 2.Alveolar ridge with width of 4-6mm; 3.Aged above 18 years; 4.Voluntary informed consent.

Exclusion criteria

Exclusion criteria: 1.General contraindications for implant surgery; 2.Severe hemophilia; 3.History of irradiation in the head and neck region less than 1 year before the study; 4.Poor oral hygiene; 5.Uncontrolled diabetes; 6.Pregnancy or lactating status; 7.HIV infection; 8.Smoking of >10 cigarettes or cigar equivalents per day or chewing of tobacco corresponding to >10 cigarette equivalents per day; 9.Acute infection in the area intended for implant placement.

Design outcomes

Primary

MeasureTime frame
implant survival rates;—

Secondary

MeasureTime frame
marginal bone level;periodontal index;—

Countries

China

Contacts

Public ContactLixin Qiu

Peking University School and Hospital of Stomatology

qiu_lixin@yeah.net+86 13910564471

Outcome results

None listed

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