裏側 うらがわ矯正 きょうせいではありませんでした
uragawakyōseidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 裏側矯正

1. Was not palatal correction.; Was not a hidden/backside correction.

Past/Perfective
Negative
Polite
Formal Register