abfraction
C2CEFR level
97/100Rarity: very rare
TechnicalRegister
The loss of cervical tooth structure attributed to occlusal loading forces flexing the tooth.
Wedge-shaped abfraction lesions were noted at the cervical margins of the heavily loaded premolars.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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