lateral maxillary incisor

• They are located distally to the central incisors
• The crown is very similar to central incisor and supplements it's action
• May vary a lot just like the third molar. In some case peg shaped laterals can be seen and in other cses there is not lateral incisor at all. If they are missing the maxillary central incisors can be in contact distally with the canine. In other cases it can have a heightened susceptibility of developing periodontal disease due to a palatoradicular groove.
• What increases its susceptibility to develop carries ?

  palatoradicular groove
• Variations of the tooth include a lack of them, ped shaped laterals and palatoradicular groove
• Labial aspect: Usually more curved than lateral incisor with a rounded incisal ridge and rounded angles mesially and distally
• Labial aspect: The crown is smaller than central incisors but proportions stay similar
• Labial aspect: It has a more rounded mesioincisal angle. The crest of contour mesially is usually at the point of junction of the middle and incisal thirds. The distal outline is always more rounded and the crest of contour is more cervical, usually in the ceter of the middle third
• Labial aspect: the labial surface is more convex than the central incisor.
• Labial aspect: It is usually 2 mm shorter than the central incisor mesiodistally although the root is always as long if not longer than central incisor
• The root is often 1.5 times the length of the crown
• Labial aspect: The root tapers evenly from the cervical line to about 2/3 of the way apically. In most cases the curve here is distal and ends in a pointed apex, but this tooth shows incredible variance regardless.
• Lingual aspect: Mesial and distal marginal ridges are marked, the cingulum is usually prominent and deep developmental grooves are usually found within the lingual fossa
• Lingual aspect: Linguoincisal ridge is well developed and the lingual fossa is more concave and circumscribed (restricted) than the central incisor
• Lingual aspect: the tooth leans / tapers towards the lingual aspect
• Lingual aspect: not uncommon to find a deep developmental groove on the distal side of the cingulum which may extend to the root or the apex
• Mesial aspect: Similar to central incisor but crown is shorter, the root is usually longer and the labiolingual measurement is about a mm less (roughly 6 mm)
• Lingual aspect: The curvature of the cervical line is in the direction of the incisal ridge
• Lingual aspect: The labial outline of the root is straight
• Lingual aspect: The incisal ridge is a bit thicker than the one of the central incisor
• It has a bluntly rounded apical end and appears to be a tapered cone
• Distal aspect: The curvature of the cervical line is usually 1 mm less in depth than on the mesial side. Not uncommon to find a developmental groove distally on the crown extending to the root or to the apex
• Incisal aspect: Can resemble the central incisor or a canine. Labiolingual dimension may be greater than usual when compared to the mesiodistal dimension
• Incisal aspect: All laterals display more convexity labially from the incisal aspect than central maxillary incisors.