CBCT测量不同骨面型患者下颌骨结构特征和磨牙后间隙的影响因素

R783.5; 目的:探讨不同骨面型患者磨牙后间隙的影响因素,分析下颌骨结构特征和磨牙后间隙与颅面部结构的相关性.方法:选取除第三磨牙外下颌牙列完整且拥挤量<5 mm的成年正畸患者200例,分为骨性Ⅰ类低角组、骨性Ⅰ类均角组、骨性Ⅰ类高角组、骨性Ⅱ类均角组和骨性Ⅲ类均角组.测量各组患者蝶窦A点角(SNA)、蝶窦B点角(SNB)、上下齿槽座角(ANB)、下颌平面角(SN-MP)、面高指数(FHI)、下颌升支长度(Go-Co)和下颌体长度(Go-Gn).采用锥形束计算机断层扫描技术(CBCT)测量在水平面上与牙尖线平行的下颌平面及其根方2 mm平面下颌第二磨牙至下颌升支前缘的最短距离C0和C...

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Published in吉林大学学报(医学版) Vol. 49; no. 6; pp. 1561 - 1568
Main Authors 孙芸芸, 姚玉光, 张晗, 黎涵懿, 朱宪春
Format Journal Article
LanguageChinese
Published 吉林大学口腔医院正畸科,吉林 长春 130021%河北省唐山市曹妃甸区医院口腔科,河北 唐山 063299 28.11.2023
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ISSN1671-587X
DOI10.13481/j.1671-587X.20230620

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Abstract R783.5; 目的:探讨不同骨面型患者磨牙后间隙的影响因素,分析下颌骨结构特征和磨牙后间隙与颅面部结构的相关性.方法:选取除第三磨牙外下颌牙列完整且拥挤量<5 mm的成年正畸患者200例,分为骨性Ⅰ类低角组、骨性Ⅰ类均角组、骨性Ⅰ类高角组、骨性Ⅱ类均角组和骨性Ⅲ类均角组.测量各组患者蝶窦A点角(SNA)、蝶窦B点角(SNB)、上下齿槽座角(ANB)、下颌平面角(SN-MP)、面高指数(FHI)、下颌升支长度(Go-Co)和下颌体长度(Go-Gn).采用锥形束计算机断层扫描技术(CBCT)测量在水平面上与牙尖线平行的下颌平面及其根方2 mm平面下颌第二磨牙至下颌升支前缘的最短距离C0和C2,釉牙骨质界根方2、4、6、8和10 mm平面的牙根至下颌骨舌侧内层骨皮质的最短距离R2、R4、R6、R8和R10,并采用Spearman相关分析法分析其相关性.结果:与骨性Ⅰ类低角组比较,骨性Ⅰ类均角组和骨性Ⅰ类高角组患者SN-MP均明显增大(P<0.01),FHI均明显减小(P<0.01).与骨性Ⅰ类均角组比较,骨性Ⅰ类高角组患者SN-MP明显增大(P<0.01),FHI明显减小(P<0.01).与骨性Ⅰ类均角组比较,骨性Ⅱ类均角组患者ANB明显增大(P<0.01),骨性Ⅲ类均角组患者ANB明显减小(P<0.01).与骨性Ⅱ类均角组比较,骨性Ⅲ类均角组患者ANB明显减小(P<0.01).在C2、R2、R4、R6、R8、R10平面下和Go-Co及Go-Gn中,与骨性Ⅰ类低角组比较,骨性Ⅰ类均角组和骨性Ⅰ类高角组患者下颌磨牙后间隙明显减小(P<0.01);与骨性Ⅰ类均角组比较,骨性Ⅰ类高角组患者下颌磨牙后间隙明显减小(P<0.01).在C0平面下,与骨性Ⅰ类低角组和骨性Ⅰ类均角组比较,骨性Ⅰ类高角组患者下颌磨牙后间隙明显减小(P<0.01).在C0、R2、R4、R6、R8和R10平面下,与骨性Ⅰ类均角组比较,骨性Ⅱ类均角组患者下颌磨牙后间隙明显减小(P<0.01),骨性Ⅲ类均角组患者下颌磨牙后间隙明显增大(P<0.01);与骨性Ⅱ类均角组比较,骨性Ⅲ类均角组患者下颌磨牙后间隙明显增大(P<0.01).在C2平面下和Go-Co及Go-Gn中,与骨性Ⅰ类均角组和骨性Ⅱ类均角组比较,骨性Ⅲ类均角组患者下颌磨牙后间隙明显增大(P<0.01).骨性Ⅰ类低角组、骨性Ⅰ类均角组和骨性Ⅰ类高角组患者在各平面下颌磨牙后间隙及Go-Co和Go-Gn
AbstractList R783.5; 目的:探讨不同骨面型患者磨牙后间隙的影响因素,分析下颌骨结构特征和磨牙后间隙与颅面部结构的相关性.方法:选取除第三磨牙外下颌牙列完整且拥挤量<5 mm的成年正畸患者200例,分为骨性Ⅰ类低角组、骨性Ⅰ类均角组、骨性Ⅰ类高角组、骨性Ⅱ类均角组和骨性Ⅲ类均角组.测量各组患者蝶窦A点角(SNA)、蝶窦B点角(SNB)、上下齿槽座角(ANB)、下颌平面角(SN-MP)、面高指数(FHI)、下颌升支长度(Go-Co)和下颌体长度(Go-Gn).采用锥形束计算机断层扫描技术(CBCT)测量在水平面上与牙尖线平行的下颌平面及其根方2 mm平面下颌第二磨牙至下颌升支前缘的最短距离C0和C2,釉牙骨质界根方2、4、6、8和10 mm平面的牙根至下颌骨舌侧内层骨皮质的最短距离R2、R4、R6、R8和R10,并采用Spearman相关分析法分析其相关性.结果:与骨性Ⅰ类低角组比较,骨性Ⅰ类均角组和骨性Ⅰ类高角组患者SN-MP均明显增大(P<0.01),FHI均明显减小(P<0.01).与骨性Ⅰ类均角组比较,骨性Ⅰ类高角组患者SN-MP明显增大(P<0.01),FHI明显减小(P<0.01).与骨性Ⅰ类均角组比较,骨性Ⅱ类均角组患者ANB明显增大(P<0.01),骨性Ⅲ类均角组患者ANB明显减小(P<0.01).与骨性Ⅱ类均角组比较,骨性Ⅲ类均角组患者ANB明显减小(P<0.01).在C2、R2、R4、R6、R8、R10平面下和Go-Co及Go-Gn中,与骨性Ⅰ类低角组比较,骨性Ⅰ类均角组和骨性Ⅰ类高角组患者下颌磨牙后间隙明显减小(P<0.01);与骨性Ⅰ类均角组比较,骨性Ⅰ类高角组患者下颌磨牙后间隙明显减小(P<0.01).在C0平面下,与骨性Ⅰ类低角组和骨性Ⅰ类均角组比较,骨性Ⅰ类高角组患者下颌磨牙后间隙明显减小(P<0.01).在C0、R2、R4、R6、R8和R10平面下,与骨性Ⅰ类均角组比较,骨性Ⅱ类均角组患者下颌磨牙后间隙明显减小(P<0.01),骨性Ⅲ类均角组患者下颌磨牙后间隙明显增大(P<0.01);与骨性Ⅱ类均角组比较,骨性Ⅲ类均角组患者下颌磨牙后间隙明显增大(P<0.01).在C2平面下和Go-Co及Go-Gn中,与骨性Ⅰ类均角组和骨性Ⅱ类均角组比较,骨性Ⅲ类均角组患者下颌磨牙后间隙明显增大(P<0.01).骨性Ⅰ类低角组、骨性Ⅰ类均角组和骨性Ⅰ类高角组患者在各平面下颌磨牙后间隙及Go-Co和Go-Gn
Author 黎涵懿
朱宪春
张晗
姚玉光
孙芸芸
AuthorAffiliation 吉林大学口腔医院正畸科,吉林 长春 130021%河北省唐山市曹妃甸区医院口腔科,河北 唐山 063299
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Author_FL YAO Yuguang
ZHU Xianchun
SUN Yunyun
ZHANG Han
LI Hanyi
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DocumentTitle_FL Structural characteristics of mandible in patients with different osteofacial types measured by CBCT and influencing factors of mandibular retromolar space
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Keywords 磨牙后间隙
垂直骨面型
Vertical osteofacial type
矢状骨面型
磨牙远移
Molar distalization
Cone-beam computed tomography
Sagittal osteofacial type
锥形束计算机断层扫描技术
Retromolar space
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PublicationTitle 吉林大学学报(医学版)
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PublicationYear 2023
Publisher 吉林大学口腔医院正畸科,吉林 长春 130021%河北省唐山市曹妃甸区医院口腔科,河北 唐山 063299
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Snippet R783.5; 目的:探讨不同骨面型患者磨牙后间隙的影响因素,分析下颌骨结构特征和磨牙后间隙与颅面部结构的相关性.方法:选取除第三磨牙外下颌牙列完整且拥挤量<5...
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StartPage 1561
Title CBCT测量不同骨面型患者下颌骨结构特征和磨牙后间隙的影响因素
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