上顎後牙因靠近鼻竇底,這部分發炎必然導致鼻竇炎。統計數字大約是第一大臼齒(35.6%),第二大臼齒(22%)。患者會自流鼻水。文獻上的討論不少,但大致都是用根管治療甚至拔牙來處理。理由是去除病因。這種治療方式本身很弔詭:明明處理的是牙齦,卻從牙齒動手。治療所以有效因為根管治療去除神經就等於是拔除牙齒。
EBOOKS
- Every Day Is Free Comic Book Day at the Library!
- Available Now
- New EBook Additions
- New and Available Ebooks
- Most Popular
- Popular Nonfiction
- Try Something Different
- See all ebooks collections
AUDIOBOOKS
- Young Adult Fantasy Audiobooks
- Always Available Audiobooks
- Available Now Audios
- New Audiobook Additions
- New and Available Audiobooks
- Most Popular
- Popular Nonfiction
- Try Something Different
- Audie Awards® Finalists 2026
- See all audiobooks collections