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International Poster Journal of Dentistry and Oral Medicine



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Int Poster J Dent Oral Med 9 (2007), No. 1     15. Mar. 2007
Int Poster J Dent Oral Med 9 (2007), No. 1  (15.03.2007)

Poster 345, Language: English

Occlusal Accuracy of Removable Partial Dentures relined with Versyo.com HD®
Zöllner, Axel/Zöllner, Sibylle/Ibrahim, Ziad/Arnold, Wolfgang H.
The aim of this in vitro study was to investigate changes in occlusion as a consequence of direct and indirect relining for distal extension removable partial dentures RPDs . 20 interim RPDs in the maxilla group 1 , 20 interim RPDs group 2 and 20 definitive RPDs group 3 in the mandible were relined with a light curing relining material. Each group included ten times the indirect technique, 5 times the direct mouth open technique and 5 times the direct mouth closed technique. Occlusal contacts were documented before and after relining 0= no contact, 1= contact .The indirect procedure showed for each denture design an ideal occlusal stability. The results of the direct, mouth open procedure revealed for interim dentures in the maxilla a loss of all occlusal contacts on natural teeth 0.0 and only reduced contact on the artificial teeth 0.6 . Similarities were found for interim and definitive RPDs in the mandible definitive RPD: natural/artificial teeth: 0.1/0.3; interim RPDS: natural/artificial teeth: 0.2/0.5 . The direct, mouth closed relining revealed good occlusal stability for all RPDS and artificial teeth 1.0 .The indirect relining is a reliable procedure for the preservation of occlusion in any of the tested RPDs. The direct relining technique revealed specific limitations not related to the material.

Keywords: occlusal accuracy, removable partial denture, relining

March 2004
IADR the International Association for Dental Research
Honolulu, Hawaii / USA