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The precision of the upper and lower jaw in occlusion measured with intraoral scanners compared to the conventional impression method

The precision of the upper and lower jaw in occlusion measured with intraoral scanners compared to the conventional impression method

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00038594
Enrollment
30
Registered
2026-02-24
Start date
2026-03-02
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Okklusionsstörung

Interventions

Group 1: This is a prospective clinical data collection study involving healthy adult subjects, in which the accuracy of conventionally collected occlusal contacts is compared with two different digit

Sponsors

Universitätsmedizin der Johannes Gutenberg Universität Mainz, Poliklinik für Kieferorthopädie
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Only individuals between the ages of 18 and 40 will be considered for participation in the study. They must also be in good physical health, with no known acute or chronic illnesses, complaints or medical restrictions. There is no gender selection, so males, females and diverse individuals are eligible to participate.

Exclusion criteria

Exclusion criteria: All subjects who do not provide written consent or who have a pronounced gag reflex will be excluded from participation in the study. Subjects who are currently undergoing orthodontic treatment or who are under the minimum age of 18 will also be excluded. Furthermore, subjects with pronounced temporomandibular joint problems or diagnosed periodontitis will not be included.

Design outcomes

Primary

MeasureTime frame
The primary objective of the study is to determine whether digital occlusion recording matches or exceeds the precision of conventional occlusion recording.

Secondary

MeasureTime frame
A secondary objective is to examine whether the type of digital bite registration used a) single-step occlusion registration (Primescan) or b) two-step occlusion registration (iTero) has an influence on digital reproduction accuracy.

Countries

Germany

Contacts

Public ContactChristina Erbe

Universitätsmedizin der Johannes Gutenberg Universität Mainz, Poliklinik für Kieferorthopädie

erbe@uni-mainz.de+49 6131 173024

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Aug 10, 2026