DENTAL IMPRESSION: When are double-arch impressions better than full-arch impressions for crowns?

Dr. Gordon Christensen answers questions from readers and offers his answers based on research, dentists' opinions worldwide, and personal observation.

Chances are good you didn't learn anything about double-arch impressions in dental school. Believe it or not, the research shows that for one or two units, double-arch impressions are better than full-arch impressions. 

In this video, Dr. Christensen discusses what you need to know about double-arch and full-arch impressions for crowns.

► See also: DENTAL IMPRESSION: How to take one-step impressions