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Establishment and clinical evaluation of edentulous impression aided by digital technology at chair-side

Establishment and clinical evaluation of edentulous impression aided by digital technology at chair-side

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1800017195
Enrollment
Unknown
Registered
2018-07-17
Start date
2017-09-01
Completion date
Unknown
Last updated
2018-07-23

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

Conditions

edentulous arch

Interventions

Control group1:two-step impression approach with manual curing resin custom trays
test group:two-step impression approach with computer-aided-design and 3D printing custom trays
Control group2:one-step impression approach with impression paste and alginate impression materials

Sponsors

Peking University Hospital of Stomatology
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 100 Years

Inclusion criteria

Inclusion criteria: maxillary and mandibular edentulous patients who visited the research unit; repair with full denture; complete autonomous behavioral and expressive ability; and cooperate with this study.

Exclusion criteria

Exclusion criteria: edentulous patients with implant supported overdenture or fixed denture; no complete autonomous behavioral and expressive ability, and patients who were unable to cooperate with the study; patients who did not sign informed consent.

Design outcomes

Primary

MeasureTime frame
3D deviation of impressions;the operation time of impressions taking;(Visual Analogue Score from dentists and patients;—

Countries

China

Contacts

Public ContactYongsheng Zhou

Peking University Hospital of Stomatology

kqzhouysh@bjmu.edu.cn+86 13621038601

Outcome results

None listed

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