Dental X-ray: <i>Canalis mandibulae</i> and <i>Foramen mentale</i>
<a href="//commons.wikimedia.org/wiki/User:Werneuchen" title="User:Werneuchen">User:Werneuchen</a>
2008-10
<span class="int-own-work" lang="en">Own work</span>