Fig. 3.

Stress distribution of Gerber space regainer on the compact bone ( A and E ), deciduous canine ( B and F ), first permanent molar ( C and G ), and periodontal ligament ( D and H ).

Stress distribution of Gerber space regainer on the compact bone ( A and E ), deciduous canine ( B and F ), first permanent molar ( C and G ), and periodontal ligament ( D and H ).