Relapse return of the manifestations of a disease after an interval of improvement Mesiodens

Relapse - return of the manifestations of a disease after an interval of improvement

Mesiodens - a supernumerary tooth located in the midline of the anterior maxillae

Diastema - fissure or abnormal opening in any part, especially if congenital

Pivot - a post upon which something hinges or turns

Hypodontia - a condition of having fewer teeth than normal

Frenum - a narrow reflection or fold of mucousmembrane passing from a more fixed to a movable part, serving to check undue movement of the part

Acromegaly - a disorder marked by progressive enlargement of peripheral parts of the body

Microdontia - a condition in which a single tooth, or pairs of teeth, or the whole dentition, may be disproportionately small