下颌第三磨牙近中阻生患者垂直向咬合状况与TMD的关系探讨

doi:10.12016/j.issn.2096-1456.2016.02.006

口腔疾病防治 ›› 2016, Vol. 24 ›› Issue (2): 94-97.DOI: 10.12016/j.issn.2096-1456.2016.02.006

所属专题： 111

下颌第三磨牙近中阻生患者垂直向咬合状况与TMD的关系探讨

王海涛¹,余敏²,王增全³(),涂少勤³,吴斯媛³

1.佛山市口腔医院城南分院口腔综合科,广东佛山(528000)
2.广州市红十字会医院口腔科
3.佛山市口腔医院口腔正畸科

收稿日期:2015-09-02 修回日期:2015-09-21 出版日期:2016-02-20 发布日期:2016-02-20
通讯作者: 王增全
作者简介:王海涛,主治医师,本科, Email:wanghaitao36741@163.com
基金资助:
广东省医学科研基金(2014A030313738)

The investigation of the perpendicular occlusal condition of the mesially impacted mandibular third molars and its relationship with TMD

Hai-tao WANG¹,Min YU²,Zeng-quan WANG³(),Shao-qin TU³,Si-yuan WU³

¹General dentistry of South Branch of Foshan Stomatological Hospital, Foshan 528000, China

Received:2015-09-02 Revised:2015-09-21 Online:2016-02-20 Published:2016-02-20
Contact: Zeng-quan WANG

摘要/Abstract

摘要：

目的探讨下颌第三磨牙近中阻生患者垂直向咬合情况与颞下颌关节紊乱病(temporomandibular joint disorders,TMD)的关系。方法选取37例下颌第三磨牙近中阻生患者纳入观察组,另选20例非下颌第三磨牙近中阻生的口腔疾病患者纳入对照组,评估其垂直向、颊舌向、近远中向咬合状况,运用AutoCAD软件进行下颌牙列Spee曲线测量。结果观察组TMD患病率(51.4%)显著高于对照组(15.0%),差异具有统计学意义(χ ²=7.24,P=0.007);观察组垂直向咬合异常率(40.5%)高于对照组(10.0%),差异有统计学意义(χ ²=5.79,P=0.056),观察组和对照组颊舌向、近远中向咬合异常率差异无统计学意义(P>0.05);观察组和对照组Spee曲线平均深度分别为(2.41±0.26) mm、(2.05±0.18) mm,观察组Spee曲线深度较对照组有增加,差异具有统计学意义(t=4.51,P=0.009)。结论下颌第三磨牙近中阻生患者TMD发生率高于非近中阻生患者;下颌第三磨牙近中阻生引发垂直向咬合异常。

关键词: 近中阻生下颌第三磨牙, 颞下颌关节紊乱, Spee曲线, 垂直向咬合异常, 咬合指数

Abstract:

Objective To investigate the perpendicular occlusal condition of the mesially impacted mandibular third molars and its relationship with temporomandibular joint disorders (TMD). Methods Thirty-seven cases of mesially impacted mandibular wisdom teeth were selected as the observation group, and 20 cases of other oral diseases without the mesially impacted third molars were selected as the control group from Jun 2012 to Sep 2014. Occlusion in the vertical, buccal-lingual and mesial-distal directions were analyzed with occlusion index.Depth of Spee curve was measured by AutoCAD software. Results Prevalence of TMD of observation group (51.4%) was significantly higher than the control group (15.0%), the difference between the two groups was statistically significant (χ ²=7.24, P=0.007). Observation group's vertical abnormal occlusion rate (40.5%) was significantly higher than the control group (10.0%), the difference between the two groups was statistically significant (P<0.05). Average depth of Spee curve in observation group and control group were (2.41±0.26) mm and (2.05±0.18) mm respectively, the difference was statistically significant (t=4.51, P=0.009). Conclusion Incidence of TMD in patients with mesially impacted mandibular wisdom tooth is higher than that of patients without mesially impacted mandibular wisdom tooth. Mandibular impacted wisdom tooth may cause vertical abnormal occlusion. TMD is related to vertical abnormal occlusion.

Key words: Mesially impacted mandibular third molar, Temporomandibular joint disorders, Spee curve, Vertical abnormal occlusion, Occlusion index

中图分类号:

R782.6

王海涛,余敏,王增全,涂少勤,吴斯媛. 下颌第三磨牙近中阻生患者垂直向咬合状况与TMD的关系探讨[J]. 口腔疾病防治, 2016, 24(2): 94-97.

Hai-tao WANG,Min YU,Zeng-quan WANG,Shao-qin TU,Si-yuan WU. The investigation of the perpendicular occlusal condition of the mesially impacted mandibular third molars and its relationship with TMD[J]. Journal of Prevention and Treatment for Stomatological Diseases, 2016, 24(2): 94-97.

图/表 5

参考文献 17

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组别	n(例)	垂直向		颊舌向		近远中向
组别	n(例)	正常	异常	正常	异常	正常	异常
观察组	37	22(59.5)	15(40.5)	28(75.7)	9(24.3)	31(83.8)	6(16.2)
对照组	20	18(90.0)	2(10.0)	16(80.0)	4(20.0)	18(90.0)	2(10.0)
t值			5.79		0.14		0.42
P值			0.016		0.710		0.519

组别	n(例)	垂直向		颊舌向		近远中向
组别	n(例)	正常	异常	正常	异常	正常	异常
观察组	37	22(59.5)	15(40.5)	28(75.7)	9(24.3)	31(83.8)	6(16.2)
对照组	20	18(90.0)	2(10.0)	16(80.0)	4(20.0)	18(90.0)	2(10.0)
t值			5.79		0.14		0.42
P值			0.016		0.710		0.519

组别	n(例)	垂直向	颊舌向	近远中向
观察组	37	32.15±2.16	29.68±3.26	29.82±3.76
对照组	20	23.12±2.07	27.65±2.92	27.56±3.61
t值		8.37	0.56	0.28
P值		0.001	0.812	0.861

组别	n(例)	垂直向	颊舌向	近远中向
观察组	37	32.15±2.16	29.68±3.26	29.82±3.76
对照组	20	23.12±2.07	27.65±2.92	27.56±3.61
t值		8.37	0.56	0.28
P值		0.001	0.812	0.861

组别	n(例)	下颌第二磨牙近中颊尖	下颌第一磨牙远中颊尖	下颌第一磨牙近中颊尖	下颌第二前磨牙颊尖	下颌第一前磨牙颊尖	下颌尖牙牙尖
观察组	37	0.91±0.16	1.82±0.40	2.33±0.30	1.47±0.08	0.50±0.06	0.04±0.24
对照组	20	0.74±0.14	1.42±0.35	1.92±0.28	1.46±0.06	0.52±0.07	0.08±0.26
t值		4.02	5.21	5.16	0.26	0.37	0.45
P值		0.039	0.015	0.017	0.869	0.791	0.716

下颌第三磨牙近中阻生患者垂直向咬合状况与TMD的关系探讨

The investigation of the perpendicular occlusal condition of the mesially impacted mandibular third molars and its relationship with TMD

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参考文献 17

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组别	n(例)	下颌第二磨牙近中颊尖	下颌第一磨牙远中颊尖	下颌第一磨牙近中颊尖	下颌第二前磨牙颊尖	下颌第一前磨牙颊尖	下颌尖牙牙尖
观察组	37	0.91±0.17	1.86±0.43	2.32±0.31	1.47±0.09	0.52±0.06	0.05±0.22
对照组	20	0.74±0.15	1.43±0.36	1.93±0.30	1.46±0.07	0.51±0.05	0.10±0.25
t值		4.09	5.25	5.17	0.29	0.39	0.49
P值		0.037	0.014	0.019	0.832	0.782	0.712

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