Dimensional accuracy of digital full arch scans and the development of a new method of measurement – a clinical trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00009360

Enrollment

Registered

2015-09-23

Start date

2015-09-10

Completion date

Unknown

Last updated

2025-10-06

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

Conditions

dental impressions and jaw models

Interventions

Group 1: one step impression with polyether impression material Group 2: intraoral digital impression - Heraeus Cara trios Group 3: intraoral digital impression - 3M Lava true definition Group 4: intr

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Subjects with a sufficient number and position of the lower teeth. The metal spheres should be placeable on the lower teeth.

Exclusion criteria

Exclusion criteria: Non-sufficient number of teeth in the lower jaw. Position of the teeth does not allow placement of the spheres.

Design outcomes

Primary

Measure	Time frame
Investigation of the dimensional accuracy of the digital and the conventional jaw models, which resulted from three different intraoral scanners and one conventional impression. Distances and angle deviations between the metal spheres are analyzed.	—

Countries

Germany

Contacts

Public ContactFabian Kuhr

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

Fabian.J.Kuhr@dentist.med.uni-giessen.de06421/9946148

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Mar 12, 2026