牙弓
- 网络arch;Dental Arch;teeth
![牙弓](../cache/1190945.jpg)
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上颌扩弓是临床正畸常用的一种措施,用来矫治牙弓狭窄、V形牙弓、提供牙列间隙、激活上颌骨缝辅助上颌前牵引。
Maxilla expansion is usual measure that applied to correct arch constrict , nasal cave constrict , " V " arch shape , provide arch space and active maxillary suture for assisting anterior traction .
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评价牙弓长度与宽度比,指标为⑤:(A-B)/(M2R-M2L);
The length to width ratio of the dental arch by ⑤ A - B / M2R - M2L ;
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下唇挡与twinblock联合矫治对下牙弓的影响
The study of effects on the mandibular arch resulted by the application of Mandibular Lip Bumper combined with Twin Block
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结论临床上扩展AngleⅡ~1的后上牙弓宽度可能是协调上下牙弓形态的重要措施之一。
Conclusion : Expanding maxillary posterior arch width in Angle ⅱ 1 patients may be one of the important methods to harmonize upper and lower arch form .
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牙弓长度的改变在模型和X线头颅侧位片的测量结果中,两者的正相关性有统计学意义(P0.05)。
Model and cephalometric X ray films result of changes in arch length had a positive correlation ( P0.05 ) .
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结论:除了下颌前部牙弓宽度变窄外,严重深覆牙合型AngleⅡ2错牙合牙弓形态基本正常。
Conclusion : The dental arch form in the Angle ⅱ 2 deep-overbite patients might be characterized as normal except in the mandibular intercanine width dimension , which is reduced .
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影像学方法是采用MicroCT、牙科CT、螺旋CT和曲面断层摄影等设备扫描牙齿或牙弓,在计算机上获取人牙的图像后进行测量。
Imaging methods is the use of Micro CT , CBCT , spiral CT and panoramic photography and other equipment scanning and measuring the teeth or dental arch .
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男性腭盖高度大于女性(P0.05)。结论:牙冠宽度、高度、各段牙弓的宽度均为男性大于女性。
Conclusions : The width and height of crown the width and length of the dental arch , and the height of the palate in Male were larger than those female in female .
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建立稳定、连续的上颌骨牙弓;上颌前庭沟及下睑缘联合入路治疗上颌骨LefortⅡ型骨折
Treatment of Maxillary Lefort II Fracture with Combined Approach of Vestibular Groove and Lower Palpebral Margin
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方法选择牙弓拥挤量在4~8mm的患者,利用自行研制的双轨式磨牙远移器,推上、下颌第二磨牙向远中移位。
Methods We chose patients whose dental arch was crowded in 4-8mm , using this self-made appliance to make the second molars come to their expectant place .
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目的:比较观察经上颌快速扩大(RME)矫治后,成人与儿童牙弓和腭弓形态的变化差异。
Objective : To study changes of dental and palatal arch forms between adults and children after rapid maxillary expansion ( RME ) .
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自从1873年Tomes首次提出了口周力的概念以及牙弓内外肌压力平衡理论以来,至今已有一百多年的历史了。
It is more than one hundred years since Tomes initially put forward the concept of perioral muscle pressure and the Equilibrium Theory .
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结论:摇椅弓在打开咬合整平Spee曲线的同时有引起牙弓长度及宽度变化的趋势。
Conclusion : The results reveal that rocking chair archwire could level the curve of Spee and has the tendency to change arch length and width at the same time .
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目的:本研究采用Howes法评估牙弓骨量与牙量的协调性,探讨其在正畸临床诊断与矫治设计确定拔牙与非拔牙中的应用价值。
Objective To evaluate the relationship between the teeth and basal bone by Howes'method , and to investigate the clinical value of this method in orthodontic diagnoses and treatment .
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在临床诊治过程中,确定拔牙方案时常需要全面考虑牙齿拥挤度、牙弓突度、Spee曲线曲度、Bolton指数、支抗磨牙前移程度、颌面部硬软组织结构以及患者的生长发育因素等。
In the clinical diagnosis and treatment process , final determine often requires comprehensive consideration of the crowded , protrusion , Spee curve , Bolton index , molar antedisplacement , maxillofacial tissue structure and growth factors of patients .
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方法:依据BonwillHawley个体理想牙弓形态图绘制原理,用VISUALBASIC6.0编制计算机程序。
Methods : On the basis of drawing principle of Bonwill_Hawley individualized ideal arches , the computer program was written with Visual Basic version 6.0.Results : The new computer_aided drawing system of individualized ideal arches was based on Windows9X / NT .
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上颌牙弓周径、上颌第一磨牙及第一双尖牙颊倾度有显著性增加(T1-T2),但有少量复发(T2-T3)。
The upper arch perimeter , the buccal inclination of upper first molars and first premolars were significantly increased ( T-T2 ) with some relapse ( T2-T3 ) .
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铸造牙弓夹板在治疗颌骨骨折中的应用
Application of founding arch bar splint in treatment of maxillary fracture
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结果不对称畸形上牙弓双侧狭窄;
Results Upper arch is narrower than normal in craniofacial asymmetry .
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颜面不对称畸形牙弓特征的研究
A study on the dental arch characteristics of the craniofacial asymmetry
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严重的低拥挤与正常上颌牙弓和鼻唇角。
Severe lower crowding with normal maxillary arch and nasolabial angle .
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唇挡对儿童牙弓及下颌骨生长发育的影响
Effectiveness of lip bump on the arch and mandible growth of children
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个体理想牙弓弓形计算机绘制系统的研制
A Study of Computer-aided Drawing System for Individualized Ideal Arches
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关于上颌牙弓性别差异的研究
A study on sex difference of adult maxilla dental arch
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磨牙区牙弓宽度差异无显著性。
No significant difference was found for the intermolar width .
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托槽代替牙弓夹板治疗儿童颌骨骨折33例体会
Experience of Treatment of Children Jaw Fracture with Bracket Instead of Splint
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牙弓长度计算机测量分析系统的建立
Establishment of Computerized Analysis System for the Arch Length Measurement
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比较治疗前后牙弓宽度变化。
Change Pre and post treatment arch width was measured .
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拔牙矫治对牙弓宽度及基骨宽度的影响
Effects of tooth extraction on dental arch width and alveolar bone width
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牙弓后间隙与第二磨牙错合相关性分析
Study on the Relation between Posterior Arch Spaces and Second Molar Malocclusion