Page 19 - 根管治療的美麗與哀愁(起承)2020-0422(01)
P. 19

࣬၍طᐕٙߕᘆၾۑฎ ( ৎeוᇐ )

                                           起 篇      樂 章





                                                                                                                     ৎ
            如何決定根管治療的工作長度                                                                                              ᇐ

                 ૧஺ۆʔ༺d̨ᝄڳፎ˜թၡғॎມ™d຅๟௪䋠˓ආБ࣬၍૶௴ၾࡌҖࣛd
            ௰੬ओତٙ৖ܠdఱ݊༈νОঐ੄ኋҞਗ਼˓ʕٙቛ০׳Ց࣬φ၌ٙ̈ɹஈd˸کඎ಻
            Ԩ੻Ց࿁வࡈ࣬၍ٙʈЪڗܓf׵݊dɨจᗆ༁ఱ࢙׸ਗ਼ቛ০ಃ࣬φ˙Σ೷᝝dࣛ੬
            ΪϾ᝝̈əɓࡈ፹Ⴌٙ࣬၍༩ࢰ (wrong pathway of the canal)eޟЇிϓə၍ኣ߈ˆ

            (perforation)iν؈ܘֱ༶ήίᒔӚிϓ߈ˆۃdఱ೯ତቛ০ʊ਋ᕎ͍ᆽ༩ࢰdֻֻΫ
            ᎘ซࠅࠠอҬΫࣛdɰʔԈ੻࢙׸iϾ˲ஷ੬ί၍ഢΝɓஈ຾ཀᅰࡈԸΫٙઞ॰d˓ɪ
            ቛ০߰ᒔ݊ೌجනлۃආdৰə݄ஔ٫ึː͛ंተ̮dɰ஢ʊί၍ኣɪ௴ܔ̈əɓࡈ̻

            ̨ (ledge)dϾவࡈ̨̻ਗ਼ึҪ͍ᆽٙ࣬၍ɝɹ਋୅Ց၍ഢᗙඦאਉኣɪdԴ੻ซࠠอ
            ҬΫ࣬၍ஷ༸ٙዚึһ̋಺ঝiೌքٙ݊dҬΫ͍ᆽٙ࣬၍༩ࢰdɦᐼ݊˜Ύطᐕ™
            ࣛ௰੬ࠦ࿁ٙᗭᕚʘɓfה˸݄ᅃ ᔼࢪࣛ੬ѓႪኪࡰd݄Б࣬၍૶௴Ꮠ༈݊ࠅjtreat a
            canal, not make a canal; let canal takes the instrument in...

            量測根管工作長度前,不可不知牙根尖端的解剖形態和相關詞彙 ( 圖 A1 )



                                  ROOT APEX ANATOMY





                                APEX
                                                                        MAJOR OPENING


                                                                       FORAMEN



                                                                              CDJ





                                               MINOR OPENING
                                       APICAL  CONSTRICTION



                             ྡ A1   ඎ಻ʈЪڗܓࣛd̀඲ٝ༸࣬φ௅Зٙ༆࡚Җ࿒ձ޴ᗫ൚ค


            1. CDJ(Cemento-Dentinal Junction)

                 ̴݊ɓࡈ˫᜗ଡ଼ᔌί༆࡚Җ࿒ɪٙΤ൚dᆽྼπίf್Ͼdί೯ԃٙཀ೻ʕd͟׵
            ˫৶ሯ (cementum) Ԩʔ݊ί˫࣬ӊɓਉᗙЪഃ஺ѩʴήӐጐאᄣڗfΪϤd຅༆࡚ʘ
            ܝd˫৶ሯ׵˫࣬ٙӊɓਉᗙேึяତ̈ϞێϞᑛdԴ੻ CDJ ίڐːձჃːਉᗙԨʔɓ


                                                                                                               3
   14   15   16   17   18   19   20   21   22   23   24