Unilateral Maxillary Lateral Incisor Agenesis with Mini Implant Prostheses
Many
terms can be used to describe missing teeth. Anodontia is the complete absence
of teeth; Oligodontia or partial anodontia means absence of six or more teeth;
hypodontia denotes missing teeth, but usually less than six and often the size
and shape of remaining teeth are altered as well, congenitally missing teeth or
agenesis is defined as teeth that failed to develop or are not present at
birth. Agenesis of any tooth can cause dental asymmetries, alignmentdifficulties, and arch length discrepancies but when the missing tooth is in
the anterior region of the maxilla, the discrepancies can be quite noticeable.
The
maxillary lateral incisor is the second most frequently missing tooth after the
mandibular second premolar even though Muller et al. found that maxillary
lateral incisors experience the most agenesis (not including third molars).
Agenesis of the maxillary lateral incisor is also linked with anomalies and
syndromes such as agenesis of other permanent teeth, microdontia of maxillary
lateral incisors (peg laterals), palatally displaced canines and distal
angulations of mandibular second premolars. Read more..............
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