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While middle/upper-class American parents often have their children get braces as teenagers, an adult getting braces out of his/her own volition could be viewed as a sign of vanity, much like plastic surgery. While in most communities, braces are seen as more socially acceptable than plastic surgery, both involve modifying the body to improve outward appearance to gain the attraction and respect of others.

Do adult braces have a medical needs, are are they purely to alter cosmetic appearance?

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    Some people get braces later in life as a matter of health. Perhaps the reason they did not get them sooner was that they could not afford them. I, for example, had very crooked teeth, but probably wouldn't have had anything done about them had they not been putting extreme pressure on my sinuses. – L.B. May 10 '15 at 23:23
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    First, vanity is a philosophical concept, not a medical one. So there are no really good criteria for a doctor to tell you what is a "sign of vanity". Second, you seem to see an implicit dichotomy between "fulfilling a vanity wish" and "improving one's health", but I don't see such a dichotomy, especially after considering the negative effect of low self esteem on mental health. I am flagging to close this question, because in its current formulation it's not a medical one. I believe that there is a good question hidden here which can be answered in medical terms, but you'll have to edit it. – rumtscho May 11 '15 at 9:50
  • But, yes! According to a survey, more than 70% south Koreans have undergone plastic surgery of their own volitions. – David Washington May 11 '15 at 13:16
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    I edited your question to focus on the medical aspect of your post; otherwise, this would be topic and unsuitable to this type of Q&A. This site was created to compile an archive of health information (see health.stackexchange.com/tour) but Stack Exchange is not well-suited to hosting debates and roundtable discussions about vanity and social norms. These types of debates are better suited to a threaded discussion forum than a Stack Exchange-style Q&A site. – Robert Cartaino May 11 '15 at 13:31
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    the question as of now is scientific and good. – 把友情留在无盐 May 11 '15 at 15:28
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There are certain types of malocclusion that are have been shown to adversely affect quality of oral health and quality of life, but these are far, far fewer than the number of people sporting braces, adult or adolescent. The need for braces in the average teen, therefore, is no greater than the average adult. If you think of braces for teens as a necessity, it is no less a necessity for adults, that is, appearance is probably the only significant result for both average teens and adults.

However, increased longevity has led to the need to keep healthy teeth for longer periods. Teeth continue to shift throughout life. Missing teeth (today's older adults are more likely to have had dental extractions than younger adults) allow teeth to shift, resulting in malocclusion. Malocclusion in turn can result in frequent inadvertent oral mucosal injuries. This can be corrected with braces.

Missing teeth also mean less occlusive surfaces (chewing surface area). Believe it or not, this poses a choking hazard, as well as decreases a person's ability to enjoy certain foods. Braces or other orthodontic devices may be needed to shift teeth into proper position for bridges to restore occlusive surfaces. Since people are living longer, it makes sense to invest in procedures that will help you to continue to eat well.

Recent reviews of dental literature, however, are showing that the oral health benefits of orthodontic intervention in adults are more limited. Malocclusion seems not to have a role in susceptibility to dental caries (as was previously believed), periodontal disease, and temporomandibular joint disorder. Therefor the oral health benefits of orthodontic intervention are more limited than previously believed.

Finally, there is some evidence that adult orthodontics can result in harm in the form of root shortening, which can lead to loose teeth.

Determinants of masticatory performance in dentate adults
Dental crowding as a caries risk factor: A systematic review
Causal relation between malocclusion and caries

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    good answer! I just missed - also from personal experience ;) - the point of potential arthrosis of the jawbone joints due to uncorrected misalignment, appearing only in later stages of life. – cirko May 27 '15 at 21:12
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Adult Braces cannot be considered as vanity. It is a necessity. Now a day, everyone refused to do ceramic braces and going for Invisalign Treatment. This is the latest trend which has seen now because they can get their teeth straightened secretly. The trend now changes from metal braces to Invisalign. The appearance of one is greatly reflected in their personality.

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