Improved visibility with the 'Van Ooy' lip and cheek retractor.
ten Bruggenkate
C M
CM
Department of Oral and Maxillofacial Surgery, St Elisabeth Hospital, The Netherlands.
Oosterbeek
H S
HS
D003757:Dental Implantation / Q000295:instrumentation*; D003762:Dental Instruments; D006801:Humans