have a clear clinical need for treatment有明确的临床治疗需要
NHS orthodontic care is not usually available for adults but may be approved on a case-by-case basis if the functional needs are great (see box, left). NHS的正畸护理是不是通常用于成人，但可能会批准的案件逐案的基础上，如果功能需求是巨大的（见框，左）。
A rating system, known as the Index of Orthodontic Treatment Need (IOTN), is used to assess the need and eligibility of individual cases.一个评级系统，被称为正畸治疗需要指数（IOTN），用于评估的需要和个别案件的资格。 The IOTN consists of five grades, which are outlined below. IOTN由五个等级，概述如下。 Grade 1 1级 Grade 1 is used to describe almost perfect teeth. 1级是用来形容近乎完美的牙齿。 Grade 2 2级 Grade 2 is for minor irregularities with the teeth, such as: 2级是轻微违规行为，如牙齿，
slightly protruding upper teeth稍突起上牙
slightly irregular teeth略不规则的牙齿
the position of the upper and lower teeth is not entirely symmetrical, such as a mild overbite or underbite, but this does not interfere with the normal function of the teeth是不完全对称的，如轻度覆或暴牙，上下牙齿的位置，但是这并不妨碍牙齿的正常功能
Grade 3 3级 Grade 3 is for more marked irregularities with the teeth that do not usually need treatment for health reasons. 3级是更加明显的违规行为的牙齿，通常不需要治疗因健康原因。 For example:例如：
upper front teeth that protrude 4mm less than normal上门牙，突出4毫米偏少
the upper teeth are slightly out of position which only interferes with normal function to a minor degree (less than 2mm)牙齿上只有轻微程度的干扰正常功能的位置略有（小于2mm）
irregularly positioned teeth that are 4mm or less out of line定位不规则的牙齿，是4mm或脱节
the back teeth do not touch each other when the mouth is closed (this is known as an open bite)后牙不接触对方的嘴巴闭合时（这是作为一个开放的叮咬）
the lower teeth are overlapped by the upper teeth (this is known as a deep bite), but this does not interfere with normal function下牙由上牙（这是作为一个深咬）重叠，但是这并不妨碍正常功能
Grade 4 4级 Grade 4 is for severe irregularities with the teeth that need treatment for health reasons. 4级是因健康原因需要治疗的牙齿，严重违规行为。 For example:例如：
upper front teeth that protrude more than 6mm上门牙，突出超过6mm
the position of the upper and lower teeth is more than 2mm out of their normal location in terms of symmetry and is interfering with normal function上下牙齿的位置是超过2mm的对称的正常位置，并与干扰正常功能
lower front teeth protrude in front of the upper teeth by more than 3.5mm下门牙突出在前面的牙齿上超过3.5毫米
irregularly positioned teeth that are more than 4mm out of line定位不规则的牙齿，有超过4mm的脱节
deep bite that interferes with normal function深咬，干扰正常的功能
Grade 5 5级 Grade 5 is for severe dental health problems, such as: 5级为严重的牙齿健康问题，如：
when teeth are unable to come through into the mouth due to an obstruction, crowding, additional teeth or any other cause当牙齿无法通过进入口因阻塞，挤占，额外的牙齿或任何其他原因
a large number of missing teeth大量的缺牙
upper front teeth that protrude by more than 9mm上门牙突出比9毫米
the normal development of the skull and/or jaw has been disrupted, eg by a cleft lip and palate (a birth defect where there is a split in the roof of the mouth, the top lip or both)发展已经被打乱了正常的头骨和/或颚，例如由1 唇腭裂 （出生缺陷，那里是一个分裂的嘴，上唇或两者的屋顶）
NHS treatment is available for grade 4 and grade 5 cases. NHS治疗是4级和5级的情况下可用。 Grade 3 cases are usually judged on a case-by-case basis.三级案件通常案件逐案的基础上判断。 Treatment may be made available if the appearance of a person's teeth is particularly unattractive.治疗可提供的，如果一个人的牙齿的外观，特别是吸引力。
In some parts of the country there are currently not enough trained NHS orthodontists to meet patient demand.目前在该国的部分地区有没有足够的训练NHS的矫正，以满足病人的需求。 This means that even if your child qualifies for NHS orthodontic treatment, there may be a long waiting list before treatment becomes available.这意味着，即使您的孩子符合NHS的正畸治疗，有可能是一个漫长的等待名单治疗前可用。
Depending on your local primary care trust (PCT), the waiting time for orthodontic treatment can range from six months to two years.根据您当地的初级保健信托（PCT），正畸治疗的轮候时间可从6个月至两年不等。 Private treatment私人治疗 If you or your child is having orthodontic treatment for purely cosmetic reasons (or you do not want to wait for NHS treatment), you will have to pay for private treatment.如果您或您的孩子有纯化妆品的原因（或你不想等待NHS治疗）的正畸治疗，你将不得不支付私人治疗。
Private orthodontic treatment is widely available but it can be quite expensive.私人正畸治疗是广泛使用，但它可以是相当昂贵的。 The British Orthodontic Society (BOS) states that fees can vary from £2,000 to £6,000, depending on the complexity of treatment and the type of appliances that are used. 英国正畸协会 （BOS）的规定可能有所不同，收费2,000英镑至6,000英镑，根据治疗的复杂性和所使用的器具类型。 However, in very complex cases, the cost of treatment may be even higher.然而，在非常复杂的情况下，治疗费用可能会更高。
The BOS has an online service that you can use to find orthodontic treatment in your area.在BOS的在线服务，你可以用它来找到您所在地区的正畸治疗 。 You may either be referred for treatment by your dentist or you can seek treatment directly (self-referral).您可以交由牙医处理，或可以直接寻求治疗（自我推荐）。 作者: 好运伴侣 时间: 2012-4-2 21:28
