Fig. 5
From: The effect of 4-hexylresorcinol on xenograft degradation in a rat calvarial defect model
Serial radiograph. The radiograph was taken 1 (W1), 3 (W3), 5 (W5), and 6 (W6) weeks after operation. a The animals received bovine bone implants (asterisk). All implants were present until 6 weeks after operation. b The animals received 4-hexylresorcinol-incorporated bovine bone implants (asterisk). Five implants were not observed from 3 weeks after operation (boxed by yellow line)