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Case 162636

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Referral category

Impacted / delayed / malpositioned / extra teeth

Region of interest

42

Referral reason

[Only visible to logged-in users]

1 Files Info

Canaray 162636

Tooth 42b is positioned distolingually at site 42, and should be retained

Two teeth that resemble mandibular right second incisors are present at site 42. The distal lingually positioned tooth, shown in the accompanying images as tooth 42b. This tooth has dimensions that are similar to tooth 32, and does not exhibit any resorption or damage, which suggests that of the two teeth at site 42, this one should be retained.

Orthogonal measurements of tooth 42b

These orthogonal cross sectional images demonstrate the dimensions of the tooth at site 42b. These dimensions are similar to that of tooth 32.

Axial views of the supernumerary tooth (s)

These axial cross-sectional images demonstrate the normal appearance of the periodontal ligament space surrounding the circumference of the root of the supernumerary tooth (s). There are no signs of ankylosis.

Incisor-shaped supernumerary tooth 42a at mesiobuccal aspect of site 42 should be extracted

The supernumerary tooth with a morphology that resembles a mandibular incisor at the mesiobuccal aspect of site 42 is labelled 42a in the accompanying images, and should be removed, because it is slightly smaller than tooth 42b.

Orthogonal measurements of supernumerary tooth 42a

These orthogonal cross sectional images demonstrate the dimensions of the supernumerary tooth 42a from various perspectives. The mesiodistal dimension of this tooth is slightly reduced in comparison to tooth 32, which suggests that of the two teeth at site 42, this tooth should be removed.

Unerupted tooth 43

The crown of the unerupted tooth 43 is positioned at the distobuccal surface of the apical half of the root of tooth 42b. No resorption or damage is evident on tooth 43. Tooth 83 exhibits mild physiologic root resorption.

Normal tooth 41

Tooth 41 is unaffected by the vertically oriented tooth 42a and the displaced and rotated tooth 42b. The crown of tooth 42a is positioned distal and slightly lingual to the crown of tooth 41.

Axial views of the mandible

These axial cross-sectional images demonstrate the distolingual position of the vertically erupted tooth 42a relative to tooth 42b. No resorption or damage is evident on any of the adjacent permanent teeth, but tooth 42a is displaced and rotated.