Page 51 - 根管治療的美麗與哀愁 (玖部曲)

࣬၍طᐕٙߕᘆၾۑฎ ( 玖部曲 )

Շ඄ܝdϗՑՈϞᅂ྅ൢᓙਖ਼߅ᗇ๫༟ࣸٙᔼࢪהᖦ໇೯̈࿁ઃ٫ CBCT Ꮸ಻ٙഐ
؈dజѓܸ̈ 45 ٙ኉᜗͍੬ (tooth 45 appears normal radiographically)dՉ᜖ഢ࣬၍ձ

኉ሯ၍ኣd˸ʿ˫࣬մᗙٙᜄၪද੭ගქeၾ኉ᅻ৶ؐேҁ዆͍੬dၾЗஈՉ࣬φ௅З
ٙतମഐ࿴ೌᗫஹdΝࣛ኉᜗΢௅ЗɰேӚϞաՑவࡈतࣿഐ࿴ٙᅂᚤ ( ྡ 95I)fЇ׵d
வࡈ̮ఖ૶౸͟৶ሯᄣ͛̍ఖٙྼ᜗ഐ࿴ (a well-defined, delicately corticated entity of
abnormal bone pattern)dԨӚϞிϓ࿁ɨቬ ( ᎔ਉאЉਉ ) ͤሯ৶ٙጱദ (no evidence

of bone expansion)( ྡ 95J)fΝࣛdவࡈʔ͍੬ٙ৶ሯྼ᜗ί 45 ٙ࣬φਜਹd͟ɪᇝ
ֻɨe੽᎔ਉՑЉਉd዆ࡈ̍ᔧ຾ཀ̴ٙɨ኉ᅻग़຾၍༸ ( ྡ 95K)d( ޶ЧϞνɨ኉
ᅻग़຾၍߈ஷவࡈʔ͍੬ٙ৶ሯྼ᜗ )dϾ˲̴ɰӚϞ̈ତ࿁ग़຾၍༸ϞהᏀᏚeאԴ
၍༸ᜊҖମЗٙઋ౻ (no signs of canal displacement or compression is present, and the

cortical borders of the canal remain intact)( ྡ 95L)f

Mesiodistal view Buccolingual view

45 45

ྡ 95I Շ඄ܝdϗՑᅂ྅ൢᓙ ྡ 95J Ͼவࡈ̮ఖ૶౸e͟৶ሯ
ਖ਼߅ᔼࢪ࿁ CBCT Ꮸ಻ഐ؈ٙజ ᄣ͛̍ఖٙྼ᜗ഐ࿴dɰӚϞி
ѓdܸ̈ 45 ኉᜗͍੬dၾЗஈՉ ϓ࿁ɨቬ ( ᎔ਉאЉਉ ) ͤሯ৶
࣬φ௅Зٙतମഐ࿴ೌᗫஹdΝ ٙጱദ
ࣛ኉᜗΢௅ЗɰӚϞաՑவࡈत Ϝ ௅ ӯ
ࣿഐ࿴ٙᅂᚤ

Axial view Mesiodistal view

1 1

ྡ 95K வࡈʔ͍੬ٙ৶ሯྼ᜗ ྡ 95L ࡚ࠦ͟ᝈൖϞνɨ኉ᅻ
ί 45 ٙ࣬φਜਹd͟ɪᇝֻɨe ग़຾၍߈ஷவࡈʔ͍੬ٙ৶ሯྼ
੽᎔ਉՑЉਉd዆ࡈ̍ᔧɨ኉ᅻ ᜗dϾ˲வࡈମ੬ഐ࿴dӚϞࠗ
ग़຾၍༸dШӚϞ࿁၍༸̈ତᏀ Դ၍༸ᜊҖאମЗ
Ꮪઋ౻

39