兩個發生在上顎側門齒,因牙齒套疊而產生齒髓病變的病例報告,其一在牙根中央在斷裂,經施以非手術性的氫氣化鈣技術而治癒;另一根幾乎完全鈣化,則施以手術性齒內治療(逆行性根管充填)。
Two cases of tooth invaginations were reported. Both of them were occurred in maxillary lateral incisors. One involving middle root fracture was treated by non-surgical endodontic therapy(Ca(OH)2 technique).The other involving calcific metamorphosis of canal space was treated by surgical endo-dontic therapy(retrograde filling).