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拔牙时断根进入上颌窦内是较为少见的临床意外,如不及时取出,将引起某些窦内疾病.我所在过去5年内共发生6例.本文就这种意外的有关因素、诊断和取出方法进行讨论.一、引起断根进入上颌寞内的有关因素:1.上颌窦的大小:较大窦腔的底常与上颌磨牙牙槽窝非常接近,进行拔牙手术和挖根时易将断根推入窦底或窦腔内.2.好发的牙位和牙根:本文6例中,发生在左侧者2例,右侧4例.左侧的2例均为上颌第一磨牙腭侧根.右侧的4例中,上颌第一磨牙2例(腭侧根),第二磨牙1例(腭侧根),第一双尖牙1例(颊
Extraction of the root of the maxillary sinus is a rare clinical accidental removal, if not promptly removed, will cause some sinus diseases .In the past five years I have a total of 6 cases.This article on the accidental factors, diagnosis and removal methods To discuss.One, causing the root cause into the upper jaw lonely related factors: 1.The maxillary sinus size: the bottom of the larger sinus cavity often with the maxillary molar alveolar nest is very close to tooth extraction surgery and digging root easy to push the root Sinus or sinus cavity.2.Fastening of the tooth position and root: In this paper, 6 cases occurred in the left side in 2 cases, the right side in 4 cases.The left side of the two cases are the maxillary first molars palatal root.Right In 4 cases, the first maxillary first molars (palatal root), the second molars (palatal root), the first premolar (1 case)