Clinical Evaluation of 3-D Printed Partial Denture Space Maintainer

Inclusion Criteria

• •apparently, healthy cooperative children having recent premature loss of lower primary molars
• •the permanent successors of the lost primary molars were not expected to erupt within 6 months
• •Angle's class 1 occlusion with normal primary molar relation
• •Presence of teeth on the mesial and distal side of the edentulous area
• •Absence of para-functional habits or abnormal occlusion conditions such as crossbite, open bite, or deep bite.
• •Radiographically, presence of permanent successors.
• •parents and children were accepting the new treatment modality.