[請益] 敲擊牙齒測試
請問各位大大
以前小弟的第二科大臼齒
有因為悶痛去給牙醫看過
而牙醫用敲擊我牙齒的方式
測試是否需要根管治療
說敲下去會痛就代表牙神經有問題
就需要做根管治療
想請問這是什麼原理?
怎麼不是用照X光片來判斷呢?
牙齒正常敲不是都會痛嗎?
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