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Impacted / delayed / malpositioned / extra teeth
Region of interest
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Impacted tooth 23
The crown of the mesioangularly impacted tooth 23 is positioned palatally to the apical thirds of the roots of teeth 21 and 22. Tooth 23 has caused mild pressure resorption of tooth 21, but has not had any effect on tooth 22. The follicle surrounding the crown of tooth 23 appears normal. Root formation is complete and the periodontal ligament space is visible around the entire root circumference. The impaction of tooth 23 has been caused by the formation of multiple small supernumerary the at site 23.
Multiple small supernumerary teeth at site 23
Small supernumerary teeth are developing at site 23. These teeth have caused mild resorption of tooth 63, and have caused the impaction of tooth 23. There have been no other effect on the surrounding structures.
1. Mild resorption on tooth 21
The palatal surface of the apical third of the root of tooth 21 exhibits peri-mild resorption adjacent to the crown of the impacted tooth 23. Tooth 21 appears normal otherwise.
Normal tooth 22
Tooth 22 has not been affected by the impacted tooth 23. The crown of tooth 23 is positioned palatally to the apical third of the root of tooth 22.
Physiologic resorption of root 63
The root of tooth 63 exhibits mild physiologic resorption adjacent to the small supernumerary teeth in its periapical region. Note the apical position of the root of tooth 23 relative to tooth 63, and the adjacent supernumerary teeth.
Normal tooth 24
Tooth 24 has not been affected by the impacted tooth 23 or the adjacent supernumerary teeth. One small supernumerary tooth root is positioned palatally to the palatal root apex of tooth 24.
Color-coded sagittal views of supernumerary teeth
These color-coded cross sectional images demonstrate the four distinct supernumerary teeth in the anterior second quadrant. Two teeth (red and blue) resemble miniature lateral incisors. One tooth (green) has multiple crowns and one tooth (purple) is a tiny odontome.
Color-coded axial views of supernumerary teeth
These color coded images demonstrate the relative positions of the supernumerary teeth to the palatally positioned crown of the impacted tooth 23.