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Leeds
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Tel : 0113-269-8511
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Individual Tooth Problems

Developmental

Individual Tooth Problems

There are a range of individual development issues affecting the teeth

Persistent deciduous tooth (DT/P): A deciduous tooth that is present when it should have exfoliated 

Supernumerary tooth (T/SN): Presence of an extra tooth (also called hyperdontia) 

Hypodontia (HYP): Developmental absence of few teeth 

Oligodontia (OLI): Developmental absence of numerous teeth 

Anodontia (ANO): Failure of all teeth to develop 

Macrodontia (T/MAC): Tooth/teeth are larger than normal 

Microdontia (T/MIC): Tooth/teeth are smaller than normal 

Transposition (T/TRA): Two teeth that have exchanged position 

Fusion (T/FUS): Combining of adjacent tooth germs and resulting in partial or complete union of the developing teeth; also called synodontia

Concrescence (T/CCR): Fusion of the roots of two or more teeth at the cementum level 

Fused roots (T/FDR): Fusion of roots of the same tooth 

Gemination (T/GEM): A single tooth bud’s attempt to divide partially (cleft of the crown) or completely (presence of an identical supernumerary tooth); also called twinning 

Supernumerary root (T/SR): Presence of an extra root 

Dilaceration (T/DIL): Disturbance in tooth development, causing the crown or root to be abruptly bent or crooked 

Dens invaginatus (T/DEN): Invagination of the outer surface of a tooth into the interior, occurring in either the crown (involving the pulp chamber) or the root (involving the root canal); also called dens in dente

Enamel pearl (E/P): Small, nodular growth on the root of a tooth made of enamel with or without a small dentin core and sometimes a covering of cementum 

Unerupted tooth (T/U): Tooth that has not perforated the oral mucosa 

Embedded tooth (T/E): Unerupted tooth covered in bone whose eruption is compromised by lack of eruptive force 

Impacted tooth (T/I): Unerupted or partially erupted tooth whose eruption is prevented by contact with a physical barrier


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