予防 よぼう てき治療 ちりょうじゃなかったです
yobōtekichiryōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 予防的治療

1. Wasn't preventative treatment.; Wasn't prophylactic treatment.

Past/Perfective
Negative
Polite
Casual Register