Clinical Evaluation of Polymethyl Methacrylate CAD/CAM Crowns Versus Prefabricated Zirconia Crowns in Primary Molars
Conditions
Interventions
- OTHER: preparation of the tooth to receive ready made zirconia crown
- OTHER: preparation of the tooth to receive CAD CAM PMMA custom made crown
Sponsor
Adel Sherif Mostafa Rehab