原文參考:)
Simple observation of histologic sections shows that the loss of PDL
fibers is abrupt.
Electron microscopic investigation confirms this finding
and also shows that cell death in this region occurs without
inflammation
apoptosis最大的好處就是不發炎
64. 乳牙脫落(shedding)時,牙根會發生吸收。下圖是在牙根吸收處(圖左..-阿摩線上測驗