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Indian J Dent Res. 2009 Oct-Dec;20(4):412-7. doi: 10.4103/0970-9290.59437.

A comparative study of inter-abutment distance of dies made from full arch dual-arch impression trays with those made from full arch stock trays: an in vitro study.

Author information

  • 1Department of Prosthodontics and Oral Implantology, Vydehi Institute of Dental Sciences and Research Centre Whitefield, Bangalore-560 066, India.

Abstract

OBJECTIVES:

The dual-arch impression technique is convenient in that it makes the required maxillary and mandibular impressions, as well as the inter-occlusal record in one procedure. The accuracy of inter-abutment distance in dies fabricated from dual-arch impression technique remains in question because there is little information available in the literature.

MATERIALS AND METHODS:

This study was conducted to evaluate the accuracy of inter-abutment distance in dies obtained from full arch dual-arch trays with those obtained from full arch stock metal trays.

RESULTS AND CONCLUSION:

The metal dual-arch trays showed better accuracy followed by the plastic dual-arch and stock dentulous trays, respectively, though statistically insignificant. The pouring sequence did not have any effect on the inter-abutment distance statistically, though pouring the non-working side of the dual-arch impression first showed better accuracy.

PMID:
20139562
[PubMed - indexed for MEDLINE]
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