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ly.tornado 的博客

真正的专业是要放下自己的本位主义与好恶,从顾客的角度去体会他们的需要,,

 
 
 

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●overbite & overjet(覆咬与覆合关系)  

2008-01-09 19:29:27|  分类: 矫正知识与常识 |  标签: |举报 |字号 订阅

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●overbite & overjet(覆咬与覆合关系)

overbite & overjet(覆咬与覆合关系)

1overbite(垂直覆咬关系),2overjet(水平覆合关系)

5mm overjet的图像

 

overbite的定义与成因和改正

 

大的overjet/小下巴的overjet/拥挤的overjet

Atlanta Dental Group PCoverbite的定义与解释

Overbite的定义

Overbite is a measure of the vertical overlap of the upper and lower front teeth. Excessive overbite may be caused by disproportionate eruption of front teeth, or over development of the bone that supports the teeth. Excessive overbite is commonly seen in conjunction with a Class II relationship (see below). Overbite is also known as a deep bite.(overbite是上下排前牙在垂直向的重迭所产生的一个测量,过大的垂直向覆咬会引起前牙不适时的萌牙,或是引发支持牙齿的骨头之过度发育,过大的overbite会常见于伴随着CL II咬合关系的案例,OVERBITE也可以称为深咬DEEP BITE)

Overbite should be corrected because it can:(OVERBITE必须要改善之是因为它会)

·                Cause improper functioning of your front teeth(引起你的前牙功能失调)

·                Result in the lower front teeth biting into the gum tissue of the palate leading to periodontal problems(产生下牙齿去咬到上排牙的牙肉,造成牙周方面的问题)

·                Unusual wear of the lower front teeth(与下排前牙不良的磨耗)

·                Make your smile less attractive (让你的笑容较不具吸引力)

Overjet的定义

Overjet is measure of the horizontal relationship of the upper and lower front teeth. It is often called "buck teeth", and is commonly confused with overbite. Excessive overjet may be caused by improper alignment of the molars (Class II relationship); a skeletal imbalance of the upper and lower jaw(s); flared upper incisors; missing lower teeth; crowded or tipped back lower teeth, or a combination of all the above. In addition, oral habits such as thumb or finger sucking or tongue thrusting can exacerbate the condition.(overjet上上下前牙在水平向的一个测量.,通常被称为buck teeth,也常会和overbite搞混,过大的overjet会引起大臼齿的不正常排列,和上下颚骨骨的不平衡,上门牙外翻,下牙缺失,下牙的拥挤或后倾,或是以上的组合,除外,口腔不良习惯如吸吮姆指或是手指,或是弄舌癖会把overjet扩大)

Overjet should be corrected because it can:(overjet若不适时的改进会引起)

·                Prevent proper functioning of the front teeth(妨碍前牙的正常功能行使)

·                Lead to premature wear(导致早期磨耗)

·                Make your smile less attractive (让你的笑容不具吸引力)

http://ipj.quintessenz.de/content/poster138/abb03.jpg(from)

A Nonextraction Case with Large Overjet and Deep Overbite

Mandibular Advancement Device Comparison Table(下颚促进往前生长的装置比较表) 表格最下方有一段话为~~Mandibular Advancement Devices (MAD) hold the lower jaw and tongue forward making more space to breathe and prevent snoring. (这就是overjet过大者很可能都有呼吸方面的问题与打鼾的可能)

deep overbite overjet cowding of approx 6mm

Is it Mental or is it Dental?--Cranial & Dental Impacts on Total Health(这是一篇专讲发育与头部生长结构改变对人体生理影响的好文章)

Can overbite affect speech?(overbite会影响说话吗?)

 http://tw.myblog.yahoo.com/orthodontist-yang/article?mid=3698&prev=3699&next...(原稿)

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