Did Touka become human after being attacked in Root A?

Question

In Tokyo Ghoul: Root A, after the wing-type Kagune of Touka was devoured by her own brother, she was not seen to use it again.

Did she become a human after that incident?

Answer 1

No, she is still a ghoul.

Ghouls can regrow their Kagune sacs, which is exactly what they did to Rize. Rize was kept restrained and bearly alive while they harvested her Kagune sacs and implanted them into dozens if not hundreds of humans, with only 3 known successes including Kaneki. You may also recall The fact that Jason had his sac eaten by Kaneki, but (I do not recall if the anime showed this) he still attacked Juzo before his death at Juzo's hands. His Kagune and body were turned into Juzo's Scythe, named after its source, Jason.

Touka is also shown to be still a ghoul in Tokyo Ghoul:re, the sequel to Tokyo Ghoul. So, rather, she just rarely actually uses her Kagune. She usually avoids fighting, and being an S-rank Ukaku type, she rarely needs to actually use her wings.