歯茎

1. Origins, structure, and basic meaning

• Structure: 歯茎 (はぐき) is a compound noun for the soft gum tissue surrounding and supporting the teeth.
• Basic usage: 歯茎も手入れする includes the gums among areas cared for while brushing, while 歯茎に違和感がある marks the location of discomfort after cold food.

2. Common pitfalls and similar expressions

• Care target and symptom site
  • 歯茎も uses も to include gums alongside teeth, while 歯茎に marks the site of sensation. Gum tissue is not identical to a tooth.