Page 37 - 根管治療的美麗與哀愁(起承)2020-0422(01)
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࣬၍طᐕٙߕᘆၾۑฎ ( ৎeוᇐ )
1. ɓםਿ͉ਗЪjਗ਼ቛ০˸ 360 ܓɓᗙૅᔷ (rotation)eɓᗙֻڿਉאಃ࣬၍ɝɹஈΫ
ৗόٙᔷ (translation)dۍ̙ᎇːה૧dˌʷϓεε࿁၍ഢ௴ක࢝ٙםό
(Simultaneous rotation and translation)f
2. ૧׳ɝ࣬၍ਂ௴ਗЪٙቛ০ࠅཫᛃ (pre-curve)dνϤɓԸৰəᜫቛ০ٙᅁᄣ̋
̮dɰԴቛ০̳ԃ̈༶ਗٙঐඎfɝ၍ഢʘܝdίೌڜɢᏀՓٙઋرɨdɓᗙૅ
ᔷɓᗙΫৗdቛ০͉ԒІ್ఱึϞяତᗳЧဉಶًٙʲۂɢdΝࣛɰᜫऍᆗ၍ഢග
ٙәݹ૰ପ͛̈ဉಶًٙᔎݴତf ו
3. ஷ੬ቛ০ཫᛃʘܝdՈʲۂɢٙЗఱίՉφ၌ձᛃϜʘϜࠦٙ̉ৎᓃɪdϤ
ᇐ
ՇᓃݺʷৎԸd׳ආ၍ഢʫdɓᗙᔷɓᗙΫৗdᒱ್ɓٜࠠልਂΝᅵٙਗЪdШ
ଭӊϣ׳ɝ၍ഢٙଉܓd˸ʿᔷਗٙܓdഒ࿁ேʔึɓᅵdஹΝ੬ʔᓙᜊ౬ቛ
০ϜᓃٙЗໄʔΝd( ɓছᆞᇖ݄ٙஔ٫ึவჿਂd၌ൖซʲۂٙЗdϾᜊ౬Ϝᓃ
Зໄ ) d ఱίɓᗙૅᔷ (rotation)dɓᗙᔷ (translation) ٙཀʕdݺʷՈʲۂɢ
ٙவՇᓃdӊϣேʲۂഹʔΝٙਜਹd( ՒৰદίʔΝЗໄɪٙʔۆ၍ኣ irregular
dentinal walls)dఱவᅵ༶͜մϾూdІ್ପ͛ٙဉಶًʲۂཀdІ್Ͼ್ήਗ਼
ࡡԸʔۆٙ၍ኣdᐼ݊ঐίၪܵՉࡡϞٙݴΣ (flow) ɨdနᓒ࢝ϓɓࡈݓձҁߕ
ٙϜᇞdவఱ݊܆༶ਗٙतᓃf
4. ࡈ EOM( ྡ B6) ٙਗЪdఱ݊ᜫཫᛃܝٙቛ০d˸̴ݺʷՈਗঐٙϜᓃdίӚ
ϞաڜɢҼጣɨdනഹ͉ԒٙϜᇞֹܓdίɓᗙૅᔷɓᗙΫৗٙΝࣛd࠾ɢԴɢήਂ
̌ ( ˸ՒৰદᛃᛃϜϜ၍ഢʕٙʔۆ၍ኣ )f
છቛ০ૅᔷ (rotation) ٙܓ +/- Ϋৗ (translation) ٙܓ
= ଡ଼Υˌʷ̈εʔΝٙဉಶʲۂᅼό
a. If we want to enlarge the canal quickly, we need more rotary and less translation
movement of the instrument.
߰࣬၍ݔɓЗٙ၍ഢܘஷd( ν˫࣬ᝇٜٙӚϞཀܓٙᛃϜ )d˲༈ஈ၍ኣێ
ྼܓԑdซࠅܘҞήਗ਼ϤЗᓒ࢝කԸd( ίӚϞࠬᎈٙᚥᅇɨ )dԟఱ̙˸ਗ਼
ቛ০ૅᔷҞɓᓃdΝࣛΫৗٙܓ׳࿔ɓᓃdɰఱ݊ίৗ࿔ɓᓃٙΝࣛεᔷ
ਸ਼f
b. More rapid translations and less rotation of the instrument will slowly produces the
best shape of the individual canal.
࣬၍˴ഢהஈٙ၍ኣܘᑛא˫࣬ܘᛃϜࣛd߰ซࠅၪܵՉࡡϞݴΣdԨ࿁ʘЪ
ቇܓٙᓒ௴dԟఱࠅਗ਼ቛ০ૅᔷٙܓ׳࿔ɓᓃdϾ˲ࠅΫৗҞɓᓃd˷ఱ
྅݊ᗙૅᔷቛ০ٙΝࣛdٜટਗ਼ʘৗ̈Ըdᜫቛ০̥ʲۂՑ࣬၍ᛃϜஈۃܝ၍ኣ
ɓᓃᓃfШཀࠠልϣΝᅵਗЪdՉᛃϜஈʔۆٙ၍ኣdІ್ఱึۂ࢝ක
ԸdνϤ௴ܓᒱ್ᇠ࿔dШЇˇ̙˸ၪܵИ࣬၍ࡡԸٙݴΣf
c. ЇОࣛࠅૅᔷٙҞeΫৗࠅ࿔dא٫Оࣛࠅૅᔷٙ࿔eШΫৗࠅҞdே̀ࠅ
ൖዹत࣬၍ٙྼყઋرdၾ݄ஔ٫ࣛซՑٙЪމdԸɨӔ֛fᒱ್dᑗґ
᜕ٙጐଢ଼ܘࠠࠅdШ̥ࠅ፭ృ EOM ٙۆdԟჿОဲᗭልᕏᛃϜٙ࣬၍ஷ༩d
ே̙˸༆කf
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