目的本研究旨在探讨使用牙科放大镜临床牙体预备后对金瓷冠唇侧牙周状况的影响。
Objective to investigate the effect of labial periodontal of PFM crown after clinical tooth preparation used by dental magnifier.
近远中牙槽嵴高度的增加约为牵引距离的33%,唇侧牙龈宽度的增加约为牵引距离的36%。
The height of alveolar on the mesial and distal sides increased about 33% and the width of gingiva on the labial surface increased about 36% as far as the teeth were extruded.
目的利用外科手术造成的狗颊侧牙周骨板缺损模型,观察应用膜诱导组织再生技术后牙周骨组织再生的效果。
Objective To observe the effects of mucogingival tissue regeneration technique(MGTR) on periodontical alveolar bone regeneration in dogs with buccal alveolar bone defect of the tooth.
方法:8例前牙美观区缺失伴唇颊侧牙槽骨凹陷畸形要求种植修复患者,采用自体碎骨屑移植充填骨缺损区,无孔纯钛膜覆盖治疗,共计植入种植体19枚。
Methods:8patients with bone defects in the aesthetic zone were implant19dental implants, the defects around implants were filled with autograft bones, and then covered by titanium membranes.
大部分的宝宝长牙顺序都如此:先长两颗下门牙,然后再是两颗上门牙,接着长两侧及后面的牙。
Most babies get new teeth in this order: First the bottom two middle ones, then the top two middle ones, then the ones along the sides and back.
为了基托均匀分散牙合力,这需要两侧上下颌尽可能多的人工牙在相互滑动的过程中有接触关系。
For the forces to be distributed throughout the denture bases, there need to be contacts between as many teeth as possible as they glide over each other, and on both sides of the arch.
结论:附着体应用于单侧上颌骨缺损修复,符合生物力学要求,未增加基牙的负荷。
CONCLUSIONS: the application of attachment for restoration of unilateral maxillary defect meets the biomechanical demands without increasing the stress load on the abutment.
结果缺牙部位最常见的是下颌中切牙、上颌侧切牙和下颌侧切牙,以少数牙缺失为主,女性多于男性。
Results mandible central incisor, maxillary lateral incisor and mandible lateral incisor were most missing teeth, and there were more females than males.
目的:探讨早期治疗混合牙列侧切腭舌向错位的临床意义。
Objective To investigate the significance of early treatment of mixed dentition and palatoglossal malposition of lateral incisors.
方法60例上颌前部埋伏牙患者均经头影测量侧位片诊断,并与手术所见比较。
Methods MAED in 60 patients were diagnosed by HSMLF and compared with the findings during the operation.
了解正常牙合人群软组织侧貌的发育特征,有助于临床诊断及矫治计划的制定。
To understand the development characteristic of soft-tissue profile in population with normal occlusion is contributed to clinical diagnosis and treatment planning.
方法测量11例骨性下颌前突伴偏斜患者治疗前模型,将上颌腭中缝作为中线标准,测量牙弓两侧同名牙接触点到腭中缝的距离,观测牙弓的对称性。
Methods Measurement of 11 dental models was performed, midline of palate was defined as central line, the distance of every contact point to the midline was measured in each side.
目的:建立在混合牙列早期预测恒侧切牙牙冠及恒侧切牙至第二前磨牙冠宽和的回归方程。
Objective :In this study , regression equations (prediction equations) were established for the purpose of accurately predicting the mesiodistal widths of the crowns of unerupted lateral incisors .
在冠状位截面影像上观察颧骨的形态并测量上颌牙槽嵴最颊侧点到上颌窦最外侧点的水平距离。
Measurements included the slope angle of zygomatic body on sagittal sectional image, the maximal horizontal distance from the buccal boundary of maxillary alveolar to outboard of maxillary sinus.
方法:对31例单侧完全性唇腭裂婴幼儿进行术前鼻-牙槽骨塑形及同期唇-鼻-牙槽骨整复术。
METHODS: 31 cases with unilateral complete cleft lip and palate underwent early simultaneous lip-nose-alveolar repair following presurgical nasoalveolar molding.
目的得出壮族正常牙合青少年的舌侧弓形图并分析其舌侧弓形特点。
Objective To obtain and analyze the characteristics of the lingual arch forms of Guangxi Zhuang adolescents with normal occlusion.
目的对颜面侧貌美人群牙颌面软硬组织进行分析,以揭示各组织结构间相互补偿协调以维持颜面美观的形态学机制。
Objective To reveal the compensation mechanism of morphology in hard and soft tissue, through evaluating soft and hard tissue in the facial profile esthetics people.
目的评价头影测量侧位片对诊断上颌前部埋伏牙的应用价值。
Objective To evaluate usefulness of head shadow-metric lateral film (HSMLF) in the diagnosis of maxillary-anterior embedded dentes(MAED).
方法:11例成年人牙列中重度拥挤的患者接受了正畸修复一体化设计的治疗。其中舌侧错位5例,唇侧错位6例。
Methods: Multidisciplinary therapy was applied to 11 patients who have serious or medium malalinement, including 5 lingual malposition cases and 6 labial malposition cases.
结果诸参数中,Q、R、S值因受系统本身误差及外界实验条件干扰的影响不够稳定,且两侧同名牙对比有显著的统计学差异。
Results Among all the parameters, Q? R? S were not very stable due to the system error and the interference of the experimental conditions outside.
目的:探讨双侧游离端可摘局部义齿的不同固位装置对基牙的影响。
Objective: To study the influence on the displacement of abutment with various retainer designs for bilateral distal-extension removable partial dentures (RPDs).
智齿常常不会“规矩”的顺着牙龈长出,而是在牙冠的一侧冒出一瓣牙龈。而“躲藏”在牙肉空隙之内细菌往往会造成这一区块出现红肿的现象。
PROBLEMS: Sometimes wisdom teeth don't erupt through the gums properly and a gum flap extends over the stuck underneath this flap, making the area inflamed.
结论:早期牙合重建可恢复偏侧咀嚼大鼠tm J的损害。
Conclusion: the early occlusal reconstruction can cure the damage of the TMJ of unilateral chew wing rats.
目的采用有限元的方法研究舌侧矫治过程中上颌第一磨牙牙根、牙周膜、牙槽骨应力分布的特点。
Objective To observe the stress distribution of maxillary first molar and its periodontium in lingual orthodontics.
用电子万能测试机于核的舌侧垂直牙体长轴加载。
结论:颊侧骨板的厚度及缺牙位置均有可能影响术后牙槽嵴的改建。
Conclusion: the thickness of buccal bone wall and position of missing tooth, may influence the maxillary alveolar ridge alterations after immediate implantation.
本文考虑了非对称三角形螺纹的螺距偏差和牙侧角偏差的各种组合对作用中径的共同影响,运用了包容图位移法,分析和推导出非对称螺纹作用中径的精确计算公式。
By the use of the displacing enveloping drawing method, a set of exact formulae for calculating the virtual pitch diameter is deduced and verified by measured data.
本文考虑了非对称三角形螺纹的螺距偏差和牙侧角偏差的各种组合对作用中径的共同影响,运用了包容图位移法,分析和推导出非对称螺纹作用中径的精确计算公式。
By the use of the displacing enveloping drawing method, a set of exact formulae for calculating the virtual pitch diameter is deduced and verified by measured data.
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