Evaluation of Two Different Types of Zirconia Crowns Used in Carious Primary Anterior Teeth

Inclusion Criteria: * Children age ranging from 7 to 10 years * Deep carious primary upper canines * The tooth need pulpal treatment * The tooth need a crown restoration * The tooth not submerged * The tooth is not mobile Exclusion Criteria: * Children with bruxism or deep bite * Children with especial need * Presence of pathological root resorption in preoperative x-ray * Presence of tooth wear (abrasion/attrition) on the opposing teeth