1) winged wire splint
改良口外须
1.
Methods:35 patients with Le FortⅡor Le FortⅢtype maxillary fracture were treated by close reduction,resolution of occluding relationship,then applied with winged wire splint fixation for 3-4 weeks.
目的:探讨改良口外须颅颌固定治疗上颌骨骨折的临床效果。
2) Modified lateral oblique shorter incision
改良外侧斜行小切口
3) improved incision
改良切口
4) Lmproving the horizontal margin
改良横切口
5) improved coronal cavity preparation
改良开髓口
1.
METHODS:One humdred and five extracted maxillary first molars were divided into 3 groups for the detection of MB2:group of traditional coronal cavity preparation(group A),group of improved coronal cavity preparation(group B) and group of coronal cavity preparetion by using root canal microscope(group C).
方法:离体上颌第一磨牙共105个,分别肉眼下使用传统开髓口、改良开髓口,根管显微镜下探查寻找MB2,记录MB2发现率。
6) Modified kelly incision
改良kelly切口
