The maxillary lateral incisor is the second tooth from the midline in each quadrant of the upper arch. We have got two lateral incisors in the upper arch.
Generally the lateral incisor almost resembles the maxillary central incisors in all aspects except for the root length, being roughly the same and the tooth being more convex in all surfaces. Lateral incisor erupts at about the age of 8 to 9 years and its root its completed at about the age of 11 years.
This tooth displays greater variations in its structure as compared to any other permanent tooth, except for the third molars. If we look at some variations the lingual aspect of the tooth at its incisal portion may posses a tubercle or there may be a lack of development in its mesial and distal portions causing a structural alteration in the tooth and the tooth generally has a pointed outline incisaly and are called peg laterals and for some the tooth may be congenitally missed such that its tooth buds do not form at all.
In this video we will talk about tooth morphology of maxillary lateral incisor. Since tooth morphology of maxillary centrals and laterals are almost the same with only a significant difference, therefore for an even clear understanding its really important for you to refer to my videos on introdunction to dental terminologies and the video on morphology of maxillary central incisors before proceeding with this video.
Video Links:
Basics of Dental Terminologies:    • BASIC DENTAL TERMINOLOGY  
Morphology of Maxillary Central Incisors:    • Anatomy of Maxillary Central Incisor ...  

Video (diagrams+editing) & Voiceover:
Dr.Maryam Kazman

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