机构地区:[1]上海交通大学医学院附属第九人民医院口腔外科,上海200011 [2]上海交通大学医学院附属第九人民医院口腔颅颌面科,上海200011 [3]上海交通大学医学院附属第九人民医院信息中心,上海200011
出 处:《中国美容医学》2024年第10期62-67,共6页Chinese Journal of Aesthetic Medicine
摘 要:目的:探讨微种植体支抗加力方式对上颌前突患者关闭拔牙间隙后颌面部软、硬组织的影响。方法:选取2020年4月-2023年6月在上海交通大学医学院附属第九人民医院口腔外科、口腔颅颌面科收治的156例上颌前突患者作为研究对象。所有患者均需拔除上颌双侧第一前磨牙并使用微种植体支抗内收上前牙,采用随机数字表法将患者分入A组(予以短牵引钩和直接支抗法,n=52例)、B组(予以长牵引钩和直接支抗法,n=52例)和C组(予以短牵引钩和间接支抗法,n=52例)关闭拔牙间隙。比较三组治疗前后颌面部软硬组织变化。结果:关闭间隙前,三组患者颅颌软组织、硬组织指标比较差异无统计学意义(P>0.05),但B组鼻根点与上、下齿槽座点三者连线的夹角(ANB)大于A组、C组(P<0.05)。关闭间隙后,三组患者蝶鞍点与鼻根点,上齿槽座点三者连线的夹角(SNA)、蝶鞍点与鼻根点,下齿槽座点三者连线的夹角(SNB)、下颌平面角(SN-MP)、上中切牙内收量(U1-SN)、鼻唇角、牙冠舌向移动量(U1c-Sv)、覆盖、上颌第一磨牙近中颊尖点、近中根尖点压低量(U6c-H、U6r-H)变化值比较差异无统计学意义(P>0.05),ANB、颌平面角(SN-OP)、上颌第一磨牙内收量(U6-SN)、牙根舌向移动量(U1r-Sv)、上中切牙切缘点、牙根尖点压低量(U1c-H、U1r-H)、上颌第一磨牙近中颊尖点、近中根尖点与Sv距离(U6c-Sv、U6r-Sv)、上颌第一磨牙近中颊尖点、近中根尖点压低量(U6c-H、U6r-H)、覆(牙合)变化值比较差异有统计学意义(P<0.05);且B组ANB、Ls-E线变化值大于C组(P<0.05),A组SN-OP、U6-SN、U1c-Sv变化值大于C组(P<0.05);B组U1r-Sv、U1c-H变化值大于A组、C组,且C组大于A组(P<0.05);B组U1r-H变化值大于A组、C组,且A组大于C组(P<0.05);C组U6c-Sv变化值大于B组(P<0.05);A组U6c-H、U6r-H变化值大于B组(P<0.05);B组覆(牙合)变化值大于A组、C组(P<0.05)。结论:三种不同的微种植体支抗加�Objective To explore the influence of implant anchorage loading methods on the craniomaxillary soft tissue and hard tissue in patients with maxillary protrusion after closing the extraction space.Methods 156 patients with maxillary protrusion who were admitted to department of Oral Surgery and Craniomaxillofacial of the author's hospital were selected as the research subjects from April 2020 to June 2023.All patients needed to extract the maxillary bilateral first premolars and use implant anchorage to adduct the upper anterior teeth,and they were classified into group A(short traction hook and direct anchorage method,n=52),group B(long traction hook and direct anchorage method,n=52)and group C(short traction hook and indirect anchorage method,n=52)by adopting the random number table method.The changes of craniomaxillary soft and hard tissues were compared among the three groups before and after treatment.Results Before closing the space,there were no significant differences in craniomaxillary soft tissue and hard tissue indicators among the three groups(P>0.05),but the upper coronal seat point-nose root point-lower alveolar seat angle(ANB)in group B was larger than that in groups A and C(P<0.05).The anterior skull base plane-upper sulcus seat angle(SNA),the anterior skull base plane-lower sulcus seat angle(SNB),sella nasion-to-mandibular plane angle(SN-MP),upper incisor inclination(U1-SN),nasolabial angle,crown lingual movement(U1c-Sv),overjet,intrusion of the maxillary first molar on the mesial buccal cusp and mesial root apex(U6c-H,U6r-H)revealed no obvious differences among the three groups of patients after closing the space(P>0.05),but there were statistical differences in ANB,angle between plane and anterior skull base plane(SN-OP),retraction amount of maxillary first molar(U6-SN),lingual root movement amount(U1r-Sv),incisal edge point of upper central incisor,root apex intrusion amount(U1c-H,U1r-H),mesial buccal cusp of maxillary first molar,distance between mesial apical point and Sv(U6c-Sv,U6r-Sv),maxil
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