Comparison of conventinal and digital dental impressions of prepared teeth

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00009371

Enrollment

Registered

2015-09-18

Start date

2015-09-14

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

fixed-dental-prothesis

Interventions

Group 1: Intraoral digital scan, 3Shape TRIOS Group 2: Intraoral digital scan, Sirona CEREC Omnicam Group 3: Conventional silicone-impression Group 4: Extraoral scan on the conventional impression

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Medical indication for fixed-dental.prothesis (crown, bridge, telescopic prothesis). The finish line of the pillar-tooth must be entirely visible and the area to be scanned must be kept dry. The patient must sign a consent form.

Exclusion criteria

Exclusion criteria: The finishline cannot be kept dry and is not entirely visible. The patient has not agreed to take part in the investigation

Design outcomes

Primary

Measure	Time frame
Investigation of the achievable marginal fit of zirconia-copings, manufactured on basis of data deriving from two introral scans and an extraoral scan of a conventional silicone-impression in patients. The marginal discrepancy determined on silicone-replica.	—

Countries

Germany

Contacts

Public ContactPatricia Bosniac

Med. zentrum für Zahn-, Mund- und Kieferheilkunde, Poliklinik für zahnärztliche Prothetik

patricia.bosniac@dentist.med.uni-giessen.de0641/99-46201

Outcome results

None listed

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