Clinical reproducibility of GEDAS--"Greifswald Digital Analyzing System" for displaying occlusal contact patterns.

Full Abstract

The clinical display of the occlusal contact points is an essential part of the quality control of restorative work. Normally, articulating paper of different colors, occlusion foil or special waxes are used for this. A possible digital method has to date been to display the contact points and their distribution using a pressure sensor foil (T-Scan system). Occlusion bites in a silicone material are also possible alternatives. The Greifswald Digital Analyzing System (GEDAS) displays the strength, extent and localization of static contacts in intercuspation (IP) based on digitized silicone registrations. In 10 completely dentulous test persons (age 23 to 29 years), with 3 different examiners as well as 2 examination times spaced 14 days apart, the intraindividual reproducibility of the contact relations resulted in kappa values of 0.92, 0.96 and 0.99, and the interindividual reproducibility was between 0.90 and 1.00. Different versions of the GEDAS software are presented, including explanation and discussion of the possibilities of use.

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Author information

Author/s: Hützen, D (D); Rebau, M (M); Kordass, B (B);

Affiliation: Clinic for Prosthodontic Dentistry and Dental Materials, Center for Dental, Oral and Craniomandibular Sciences, Ernst Moritz Arndt University, Greifswald, Germany. huetzen(-atsign-)uni-greifswald.de

Journal and publication information

Publication Type: Journal Article

Journal: International journal of computerized dentistry (Int J Comput Dent), published in England. (Language: eng)

Reference: 2006-Apr; vol 9 (issue 2) : pp 137-42

Dates: Created 2006/09/06; Completed 2006/10/20;

PMID: 16955651, status: MEDLINE (last retrieval date: 12/26/2008)

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adult
Bite Force
Calibration
Dental Materials - chemistry
Dental Occlusion
Humans
Image Processing, Computer-Assisted - methods

Image Processing, Computer-Assisted - methods
Jaw Relation Record - instrumentation; methods
Pressure
Reproducibility of Results
Silicones - chemistry
Software
Transillumination - instrumentation

Associated Chemicals: Dental Materials (0) ; Silicones (0)

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