歯列 しれつ矯正 きょうせい ではありませんでした
shiretsu kyō seikidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 歯列矯正器

1. Was not a dental brace.; Was not orthodontic appliance.

Past/Perfective
Negative
Polite
Formal Register