If your gums rest too low or too high on your&nbsp;teeth&nbsp;and you are unhappy with your smile, you may be a candidate for&nbsp;gum contouring&nbsp;surgery. Also called gum reshaping or tissue sculpting, this cosmetic dental procedure can even out an uneven gum line and give you a smile you can be proud of.

A number of things can cause your gums to be too low or too high. Gums that cover a large portion of your teeth can make your teeth look small. This may be the result of genetics, a particular health problem, or taking certain&nbsp;prescription drugs.
<blockquote>“ Not only can gum recession make your teeth look long, it can lead to serious dental problems such as decay and tooth loss.&nbsp;”</blockquote>
Gums that are too high and make your teeth appear long are often caused by&nbsp;gum recession, a condition in which gum tissue pulls back from a&nbsp;tooth&nbsp;and exposes the&nbsp;<a href="https://www.webmd.com/oral-health/rm-quiz-teeth-truth" data-metrics-link="" data-crosslink-type="tools">tooth</a>'s root.

Source: www.webmd.com