Page 59 - 根管治療的美麗與哀愁 (參部曲)

࣬၍طᐕٙߕᘆၾۑฎ ( ਞ௅Ϝ )

ਞ ௅ Ϝ

40W 40X
ྡ 40W, X CBCT ᆽ֛ 37 ˫࣬մࣙே݊ᔷʷϓڜ࢛ᄣ͛ٙഐ࿴dԨ˲ʊ
ၾቌڐٙ৶ؐၡ੗ஹഐϓ෯

¤ൗ¥PCOD (periapical cemento-osseous dysplasia)d˸ֻٙΤ၈݊˫৶ሯᆯ
(cementoma)i຾͟޼Ӻ೯ତd޴ڦ̴݊աՑݔ၇҅௅Ϊɿ (local factor) ٙՐዧd
Դ੻኉ᅻ৶ձ˫৶ሯ (periapical bone and cementum) ί೯ԃཀ೻ʕdϞʔ຅ᄣ

͛eא೯ԃʔԄତ൥dהҖϓٙഐ࿴ମ੬dϾԨʔ݊Ϙ΋ซ྅νΝ໕ᆯছҖϓ
ٙཀ೻dΪϾࠠอһҷΤ၈fஷ੬dவࡈମ੬ഐ࿴߰ձ˫኉࣬φ૩ೌᗫᑌdఱ
Դ͜ focal cemento-osseous dysplasiai຅್dν؈ഐ࿴ମ੬೯͛ί࣬φ௅Зd
ఱ၈ʘމ PCODfɓছઃ٫Ԩʔึᙂ੻ϞОମً (no symptoms)dה˸ேΪԷ

Б׌ X ΈᏨݟϾ೯ତd˲ε̒λ೯ίɨቬ৶ۃ˫ਜiϾவࡈମ੬ഐ࿴ɓක֐݊
яତ׳࢛ீ࢛௕ᅂeΎ஼န૿ᕏϞ׳࢛ڜ࢛ʃ౴෯e௰ܝᔷʷϓ׳࢛ڜ࢛ᅵٙ
ᄣ͛ഐ࿴ (progresses from lucent to opaque lesion)iν؈வࡈഐ࿴ମ੬ʔ˟̈
ତίۃ˫ਜϾʊd྅͉ࣩԷ௞ஹՇਉܝ˫ਜே೯ତϞମ੬ഐ࿴dԟఱ༈၈ʘމ

florid cemento-osseous dysplasiaiϾऒʿՑٙ˫኉dΪމՈϞݺ᜖ˀᏐdה˸
Ԩʔცࠅഗʚतйطᐕd̥ࠅ֛ಂ৛ᔳᗫءу̙f

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