The maxillary lateral incisor always has one root and a Type I canal configuration. The root is more slender than in the maxillary central incisor and frequently has a distal and/or a lingual curvature or dilaceration.
The general shape of the pulp canal, both in mesio-distal and labio-lingual section, is the same as in the central incisor. In the cross section of the root through the cervical area, however, the canal is slightly ovoid and therefore, the access preparation outline form is also ovoid, funnel shaped only slightly skewed toward mesial to present better access to apical-distal.
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| Lingual view of maxillary lateral incisor |
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