Hypersensitive Dentin | Study Hard,Work hard

Hypersensitive Dentin

I have't used this super difficult work , Ithink I do n't use any more.


I ached my tooth ,so I went to dentist to observe what my tooth were happen .

He tried to clean up by using device wchich brow a wind a little bit.

Then I hands up because I ached... he said to me it is hypersensitive dentin.
in other work TIKAKUKABI N in Japansese.


He said to me he could not care it ..... oh my god.

I ache stilll and forever.