مقطع طولي للسن
<a href="//commons.wikimedia.org/wiki/User:Sandra_Hanbo" title="User:Sandra Hanbo">Sandra Hanbo</a>
This file was derived from: <a href="//commons.wikimedia.org/wiki/File:Blausen_0864_ToothDecay.svg" title="File:Blausen 0864 ToothDecay.svg">Blausen 0864 ToothDecay.svg</a><br> BY <a href="//commons.wikimedia.org/wiki/User:KDS4444" title="User:KDS4444">KDS4444</a>