A clinical trial to compare double-arch and complete-arch impression techniques in the provision of indirect restorations.

Statement Of Problem: Anecdotal reports of use of double-arch impressions for indirect restorations suggest time and materials savings, but there is little clinical evidence to support their use.

Purpose: To establish whether a double-arch impression technique could produce restorations comparable with those produced by use of the complete-arch technique and to investigate reported time and material savings.

Material And Methods: Five practitioners each recruited 10 adult patients requiring a single complete veneer crown into the study.