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临床资料患者,男,31岁,右侧下颌第三磨牙近中倾斜,其“三角形”牙合面由近中颊侧牙合面、近中舌侧牙合面、远中牙牙合面组成。右下第三磨牙水平生长,第四磨牙垂直生长,第四磨牙牙根与第三磨牙冠部融合(图1);左上第三磨牙位于第二磨牙根尖远中并向远中生长,第四磨牙位于第二磨牙远中并垂直向生长,第五磨牙位于第三磨牙冠部并与左上第三磨牙冠部部分影像重叠,疑似融合影像(图2)。
Clinical data Patients, male, 31 years old, the right mandibular third molar near-mid-tilt, the “triangle” occlusal surface from near the buccal side of occlusal surface, near the lingual side of occlusal surface, distal occlusal surface composition. The third lower molars grow horizontally, the fourth molars grow vertically, the fourth molars root merges with the third molars crown (Figure 1). The third upper molars are located in the distal tip of the second molars and grow far, The molars are located in the middle of the second molars and grow vertically. The fifth molars are located in the third molars and overlap with the third molars in the coronal part of the left upper molars. The fusion images are suspected (Fig. 2).