歯科 しか矯正 きょうせい がくではありませんでした
shika kyō seigakudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 歯科矯正学

1. Was not orthodontics.; Was not orthodontic treatment.

Past/Perfective
Negative
Polite
Formal Register