Left sinus cyst does not reach the sinus medial or distal walls (Fig.3). 左侧上颌窦膜增厚程度轻，15号牙即左上第二磨牙（图三）。
Sinus Cyst Last Next
Xin Wei, DDS, PhD, MS 1st edition 07/14/2020, last revision 08/09/2020
