Choi, Byung Ho,Jung, Seung Mi,Kim, Jin Chul,Kim, Jin Baek
申请号：
AU2017248561
公开号：
AU2017248561B1
申请日:
2017.04.04
申请国别(地区):
AU
年份:
2018
代理人:
摘要：
#$%^&*AU2017248561B120180412.pdf#####[ABSTRACT] To accurately acquire an image of an inside of an oral cavity of a person to be treated, there is provided a dental retractor including a retracting base portion that includes an inner retracting portion extending in an arch-shaped profile to surround 5 an inner portion of gum at any one side of an upper jaw and a lower jaw inside an oral cavity and having a pressing holding portion formed at an outer peripheral surface so that a tongue is accommodated therein and an outer retracting portion integrally extending from both ends of the inner retracting portion and extending in an arch-shaped profile to surround an outer portion of the gum, and a handle portion 10 including a grip portion connected outward from the retracting base portion. 38
