Invisalign braces could be an ideal option for people who find that their teeth are beginning to grow out of line when they reach adulthood.

American Health and Beauty explained that they are created by a computer so they fit the patient's teeth exactly and then apply the right amount of pressure to move them gently.

When the teeth sit comfortably within that mould, a new one is fitted to then move them a little bit more until they are completely straight.

"Invisalign braces are an inconspicuous option," the publication commented.

Last month, Justin Fenner, writing for the Into the Gloss section of Styleite, said that anyone who opts for Invisalign braces to straighten their teeth must wear them as recommended by their dentist in order to get the best results

He pointed out that people who take them out during the day and only put them back in to sleep are unlikely to achieve straighter teeth because the braces do not have time to work.