Case of Submerged lower E and Impacted displaced lower 5

Case of Submerged lower E and Impacted displaced lower 5

Segmented STL of CBCT performed by cephX AI algorithm for accuracy in 3D Locational
Diagnosis. This leads to markedly improved treatment planning
A 12 year old girl presented herself for examination
• Her general occlusion was generally very good with the exception of the lower right
quadrant.
• Tooth #45 unerupted.
• Tooth #46 tipped mesially.
• Teeth #43 and #44 tipped distally and spaced.

Panorex shows submerged #85 and displaced #45

Note non-eruption of #45 and mesial and distal tipping and spacing

Buccal view of STL (AI) shows detail of submerged and impacted teeth and mandibular nerve relationship in Quadrant #4

Rotated oblique lingual view

Segmented #85 removed via cephX AI Algorithm

Full lingual view showing rotated and lingually positioned #45 in relation to undamaged mesial root of #46.
Note the position of the alveolar nerve which would complicate the extraction of #45 and therefore indicate
that the treatment of preference would be the assisted eruption of #45.