Inclusion Criteria:  Patients of record at the University of Washington's Center for Pediatric Dentistry Patients in general good health (ASA I) Patients aged 5 years old or younger Patients in need of at least one preformed crowns, on anterior primary teeth Patients undergoing general anesthesia for dental treatment Parent or guardian of patient able and willing to provide informed consent  Exclusion Criteria:  Medically compromising condition Teeth with proximal space closures of sufficient magnitude to preclude placement of crown Teeth with complete absence of facial or lingual walls following tooth preparation Teeth that are expected to be exfoliated/extracted within one year will not participate in the study Anterior crowding Occlusion class III