Mandibular Angle ramus outermost part of bony plates called bone plate, which is equivalent to masseter muscle attachment surface.
下颌角升支部分最外层骨板叫骨外板，相当于咬肌附着面。
2
Negative components and the installation Angle difference Road in place within 7 degrees, the attachment can use.
阴性部件的安装角度与就位道相差7度范围内时，附着体仍可正常使用。
3
The fisheye attachment provides an approx. angle of view of a 15mm lens and allows you to get within a millimeter of the subject and still be in perfect focus.