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Classic Articles > Rationale of endodontic treatment

±Ù°üÄ¡·áÀÇ ¿ª»ç¿Í ±Ù°üÄ¡·á¿Í °ü·ÃµÈ ¹ÚÅ׸®¾Æ¸¦ ¼Ò°³Çϰí ÀÖ½À´Ï´Ù. ´õºÒ¾î ±Ù°üÄ¡·á¿¡ °ü·ÃÇÑ ÇØºÎÇÐÀûÀÎ °íÂûÀ» ÇÑ À¯¸íÇÑ ³í¹®µéÀÌ Á¦½ÃµÇ¾î ÀÖ½À´Ï´Ù.

1. History of endodontics, Focal infection theory
 

1) Price WA. Practical progress in dental skiagraphy. Dent Items of Interest 23:452-472, 1901.

    *±¹³»¿¡ ³í¹® ¾øÀ½
  2) Collidge ED. Past and present concepts in endodontics. J Am Dent Assoc 61:676-688, 1960.
   

*1872³â ÀÌÈÄ ±Ù°üÄ¡·áÇÐ review

#19C ÀÌÀü GV Black °ý¸ñÇÒ¸¸ÇÑ ¼º°ú, ±â±¸ Àåºñ ½º½º·Î Á¦ÀÛ
#19C ÈÄ¹Ý ºñ¼Ò¸¦ ÀÌ¿ëÇØ ½ÇȰÇÏ´Â Ä¡·á°¡ ´ëÁßÈ­, ´ç½Ã À¯·´(°íÀýÄ¡¼öÀÇ Ä¡±Ù´Ü Á¶Á÷¹ÝÀÀ¿¡ ´ëÇØ ¿¬±¸), ¹Ì±¹(¿ÏÀüÄ¡¼öÁ¦°Å¿Í ±Ù°üÃæÀü ÈÄ Ä¡±Ù´ÜÁ¶Á÷ÀÇ È¸º¹¿¡ ´ëÇØ ¿¬±¸)
#1898 Gysi, Paraformaldehyde ¼Ò°³
#20C ÃʹÝ
#1911 William Hunter, ±ÕÇ÷ÁõÀÇ ÁÖ ¿øÀÎÀ» Ä¡ÀºÁ¶Á÷°ú ºñÀ§»ýÀûÀÎ Ä¡°ú¼öº¹¹°¿¡ ÀÖ´Ù°í º½, ¹«¼öÄ¡¸¦ ¼ö¾ø±â ¹ß°Å

#Pucci; 'polyantibiotic therapy' ±Ù°üÄ¡·á¸¦ º¸¿ÏÇϴµ¥ Àǹ̰¡ ÀÖÀ¸¸ç, Áï°¢ÀûÀÎ antisepsis, biomechanics¸¦ ´ë½ÅÇÏ´Â °ÍÀº ¾Æ´Ï¶ó ÁÖÀå
#Callahan; È­ÇÐÀû ¿¬È­ ÃæÀü¹ý
#Jasper; Silver cone »ç¿ëÀ» ´ëÁßÈ­ÇÔ

  3) Grossman LI. Endodontics: Then and now. Oral Surg 32:254-259, 1971.
   

*Dr. CoolidgeÀÇ »î µ¿¾È ±Ù°üÄ¡·áÇÐÀÇ ¹ßÀüÀ» ¸®ºä

#1880³â, ¹ß¼ö´Â ¾ß¸¸ÀûÀÎ °úÁ¤À¸·Î ¿©°ÜÁ³À¸³ª ¸¶Ãë¹æ¹ýµéÀÌ º¸±ÞµÇ¾î Ä¡·áÀÇ ÀåÀ» ¿°
#1895³â, Roentgen x-ray ¹ß°ß 2ÁÖÈÄ Prof. Walkhoff ÃÖÃÊ Ä¡¾Æ ÃÔ¿µ
#1906³â, Bucky, formocresol ¼Ò°³

  4) Grossman LI. Endodontics: A peep into the past and the future. Oral Surg 37:599-608, 1974.
   

*±×°£ÀÇ ±Ù°üÄ¡·á ¹ßÀü ¼³¸í

#Argenic trioxide paste; ³ëÃâ Ä¡¼ö¿¡ Á÷Á¢ Á¢ÃË, Ä¡¼ö µ¤Àº ¾å¤©Àº »ó¾ÆÁú¿¡ Àû¿ë, 3~4ÀÏ, 1ÁÖÀÏ Á¤µµ Àû¿ë, ÀϺÎÀÇ °æ¿ì ÅëÁõ¾øÀ½, ±×·¯³ª ÀÓ½ÃÃæÀü¹° »çÀÌ ´©Ã⠽à ġÀº ÆÄ±«, ºÎÂø»ó½Ç·Î Ä¡¾Æ »ó½Ç °¡´É
#pulp mumification; ³ëÃâ Ä¡¼ö ÃÖÃÊ arsenic ÆÄ±«ÈÄ »óºÎ¿¡ paraformaldehyde Àû¿ë, °¡ºÀ

  5) Cruse WP, Bellizzi R. A histologic review of endodontics. 1689-1963. J Endod 6:part I 495-499, part II 532-535, Part III 576-580, 1980.
   

*¿¬´ë ¼øÀ¸·Î Çö´ë±îÁöÀÇ ±Ù°üÄ¡·áÇÐÀÇ È帧À» »ìÆìº½

*Empirical era 1687~1805
#¹Ùºô·Î´Ï¾È ½Ã´ëºÎó tooth worm theory
#1687 ÃÖÃÊÀÇ Ä¡ÀÇÇп¡ ±â¿©ÇÒ ¸¸ÇÑ Ã¥ Ãâ°£(Ä¡¾Æ À̽ÄÀÇ ³»¿ë)
#1700 Anton Von Leewenhoel, Çö¹Ì°æÀ¸·Î Ä¡¾Æ¸¦ °üÂû Ä¡¾Æ ¹ú·¡ÀÇ Á¸Àç ºÎÁ¤

*Vitalistic era 1806~1878
#1805 JB Gariopt Ä¡¼öÄ¡·áÀÇ vitality ¹®Á¦ÀνÄ
#1819 John callow, Vitalistic therory of teeth, Ä¡±Ù´Ü°øÀ» ÅëÇØ Ç÷¾×ÀÌ Ä¡¼ö·Î µé¾î¿Í¼­ dentinal wall, periodontal membrane Åë°ú
#1836 John Hunter, Nonvitality theory »ó¾ÆÁúÀº sensitivitym repair ´É·Â ¸ðµÎ ¾ø´Ù°í ÁÖÀå

*Septic era 1878~1909
#1878 Dr Rogers, Septic theory, pathogenic organismÀÌ Ä¡¼ö¸¦ ÆÄ±«ÇÑ´Ù°í ¿ª¼³, ÀÌ·¯ÇÑ ¼¼±ÕÀ» ÆÄ±«½ÃŰ´Â °ÍÀÌ ¼º°øÀûÀÎ Ä¡·á¿¡ ¹Ýµå½Ã ÇÊ¿äÇÏ´Ù°í ¿ª¼³
#1888 WD Miller, ±Ù°üÄ¡·á¿¡ ÀÖ¾î ¼¼±ÕÇÐÀûÀÎ Á¢±ÙÀ» ½Ãµµ

*Focal infection era 1909~1937
#1907 EC Rosenow, Streptococci, Ç÷·ù¸¦ Ÿ°í ´Ù¸¥ °÷À¸·Î ÀüÀÌµÉ ¼ö ÀÖ´Â ¿©·¯ Áúº´¿¡¼­ ¹ß°ß µÊÀ» º¸ÀÓ
#1910 William Hunter, Focal infection¿¡ °üÇÑ ÀÌ·Ð Á¦½Ã
#1931 Ricket, Dixon "hollow tube effect"°¡¼³ µÞ¹Þħ, ±Ù°üÃæÀü ÈÄ void°¡ ³²Àº °ø°£ÀÇ Á¶Á÷¾×À¸·Î ü¿öÁö°í ¹Ì»ý¹°ÀÌ ¾ø´õ¶óµµ È¿¼ÒÀÇ ºØ±«·Î ¿°Áõ¹ÝÀÀÀÌ ÀϾ ¼ö ÀÖ´Ù°í ÁÖÀå

*Scientific era 1937~1963
#1937 Logan ±ÕÀÇ Á¸Àç°¡ ¹Ýµå½Ã Áúº´À» ¾ß±âÇÏÁö ¾Ê´Â´Ù°í ¾ð±Þ, Á¤»óÀûÀÎ Á¶Á÷¿¡¼­µµ ±ÕÀÌ Á¸Àç
#1941 Fred Adam, Ä¡±Ù´Ü °¨¿°¿¡ Ç×»ýÁ¦ »ç¿ë, 1944³â ÃÖÃÊ·Î penicillinÀº ±Ù°üÄ¡·á¿¡ Àû¿ë

  6) Grossman LI. Pioneers in endodontics. J Endod 13:409-, 1987.
   

*±Ù°üÄ¡·á ¼±±¸ÀÚµé ¼Ò°³

#1862 Barnum R/D ¾¸
#1867 Bowman ÃæÀüÀç·Î GP cone »ç¿ë
#1891 Otto Walkhoff, CMCP ±Ù°ü¾àÁ¦ »ç¿ë, 1985 ÃÖÃÊ·Î Ä¡¾Æ¸¦ ¹æ»ç¼± »çÁø ÃÔ¿µ

 
2. Microbiological Aspect of Endodontics / Asepsis in Endodontics
  1) Trowbridge HO. Immunological aspects of chronic inflammation and repair. J Endod 16(2):54-61, 1990.
   

*frustrated repair¶ó ÀÏľîÁö´Â ¸¸¼º¿°ÁõÀÇ ¸é¿ªÇÐÀûÀÎ ¸éÀ» »ìÆìº½

#¸¸¼º¿°ÁõÀÇ ¿øÀÎ; °¨¿°ÀÎÀÚ(°¨¿°ÀÎÀÚÀÇ ³·Àº µ¶¼ºÀ¸·Î ªÀº ¿°ÁõÁ¶Â÷µµ ¾øÀÌ ¸¸¼º¿°Áõ À¯¹ß °¡´É), ¼¼±Õ±¸¼º¹°(¼¼±Õ¾øÀ̵µ Ä¡¼ö°¨¿°, ¿¹ ¼öº¹¹° ÇϹ濰Áõ), »ç¸êÀ¯±âü ÀÜÁ¸¹°(Streptococcal cell wallÀ» Áã¿¡ Åõ¿©Çß´õ´Ï ¸¸¼º polyarthritisÀ¯¹ß), ´ë»ç»ê¹°(Gout;ÅëÃæÀÇ °æ¿ì urate crystal;¿ä½Å¿°À» »ý¼ºÇÏ¿© hyperurucemia;°í¿ä½ÅÇ÷ÁõÀ» À¯¹ß)
#liquefaction necrosis; pyogenic bacteria´Â Áß¼º±¸¸¦ ´Ù·® ÀÌÁÖ½ÃÅ´, Áß¼º±¸´Â 1~2ÀÏÀÇ ¼ö¸íÀ» °®À¸¸ç ±×µéÀÇ »ç¸êÀº lysosomeÀÇ È¿¼ÒºÐºñ, À̰ÍÀÌ °áÇÕÁ¶Á÷ÀÇ °Å´ë ºÐÀÚ±¸¼º¿ä¼Ò¸¦ ¼ÒÈ­½ÃŰ´Â °úÁ¤À» ÀÏÄÃÀ½

*¸¸¼º¿°ÁõÀÇ ¸é¿ªÇÐÀûÀÎ Ãø¸é
#Accessory cell; monocyte, macrophage, dentric process¸¦ °®´Â ¼¼Æ÷µé, Àΰ£ÀÇ odontoblastic lalyer¿¡´Â dendritic cellÀÌ À§Ä¡, À̵éÀº Ç׿øÀ» ¹°¾î lymphocyte¿¡ Á¦½ÃÇÏ´Â non-antigen-specific cell
#Macrophage; monocyte°¡ Ç÷·ù¸¦ Ÿ°í °¡´Ù°¡ ºÐÈ­µÇ¾î »ý¼º, lymphokine°ú C5a °°Àº ÁÖÈ­Àڱؿ¡ ¹ÝÀÀ, Myobacterium tuberculosis, Myobacterium leprae µî¿¡ ÀÏÂ÷¹æ¾î¼± Çü¼º, â»óÄ¡À¯¿¡¼­ ±«»çÁ¶Á÷À» Á¦°ÅÇÏ´Â ¿ªÇÒ
#Lymphocyte; T cell, B cell (µÑÀº ƯÁ¤Ç׿ø¿¡ ¹ÝÀÀ), null lymphocyte(¹Ì¸® °¨ÀÛÀÌ ÇÊ¿ä¾øÀ½) µî 3Á¾·ù, plasma cellÀº activated B cellÀÇ ÀÚ¼Õ, null lymphocyte´Â killer, natural killer cell
#Cytokine; Èä¼±ÀÌ °¨À۵Ǿî T cellÀÌ È°¼ºÈ­µÇ¸é cytokine À¯Áö
#Fibroblast; È­ÇÐÁÖ¼ºÀ¸·Î fibroblast¸¦ »óóºÎÀ§·Î ²ø¾îµéÀÌ´Â ¿ä¼Òµé(fibrin, firbinogen, cytokine, complement fragment, collagen I~V, PDGF), Interleukin I(fibroblast¸¦ ÀÚ±ØÇÏ¿© Áõ½ÄÇϰí collagenÀ» Çü¼ºÇϵµ·Ï ÇÔ)
#Neutrophil; ¸¸¼º¿°Áõ¿¡¼­´Â ±× ¼ö°¡ »ó´ëÀûÀ¸·Î ÁÙ¾îµê
#Eosinophil; mast cellÀÌ ºÐºñÇÏ´Â histamine°ú eosinophil chemotactic factor¿¡ ¹ÝÀÀ

  2) Stashenko P. The role of immune cytokines in the pathogenesis of periapical lesions. Endod Dent Traumatol 6:89-96, 1990.
   

*immune cytokineÀÌ ±Ù´ÜºÎ º´¼Ò ¹ßº´¿¡¼­ ¾î¶² ¿ªÇÒÀ» ÇÏ´ÂÁö ¾Ë¾Æº½

#T cell; B cellº¸´Ù ¸¹Àº ¼ö¸¦ º¸À̸ç, Ưº°ÇÑ antibacterial reactivity¸¦ ³ªÅ¸³¿
#Ȱ¼ºº´¼Ò¿¡¼­´Â Th cellÀÌ Ts cell º¸´Ù ¿ì¼¼, ÈĹݱâ,¾ÈÁ¤±â¿¡´Â Ts cell ¿ì¼¼, ¸¸¼ºº´¼Ò¿¡¼­ Th/Ts < 1.0
#Th cell; Ä¡±Ù´Ü º´¼ÒÀÇ ¹ß´Þ¿¡ Áß¿äÇÑ ¿ªÇÒ, bone lysis mediator resorptive cytokineÀÎ lymphotoxin(LT) »ý¼º
#Ȱ¼ºÈ­µÈ macrophage; IL-1°ú TNF¥á, PGE2 Çü¼º
#Ts cell; °úµµÇÑ ¸é¿ª¹ÝÀÀÀ» ¾ïÁ¦ÇÏ¸ç º´¼ÒÀÇ ¼ºÀåÀ» ÈÞÁö±â·Î À¯µµ
#IL-1¥â´Â IL-1¥áº¸´Ù 15¹è Á¤µµ more potent, TNF¥á, LT º¸´Ù 1000¹è potent

  3) Reams GJ, Baumgartner JC, Kulild JC. Practical application of infection control in endodontics. J Endod 21(5):281-284, Review, 1995.
   

*±Ù°üÄ¡·á¿¡¼­ °¨¿°Á¶Á÷ÀÇ ¹æ¹ýÀ» Á¦½Ã

#Autoclave; ±â±¸ºÎ½ÄÀº 1% sodium nitrate ÷°¡·Î ¿¹¹æ°¡´É
#Chemical vapor autoclave´Â ±âÁ¸ÀÇ ¹æ¹ýº¸´Ù ³ìÀÌ ´ú »ý±è
#Glutaraldehyde´Â surface disinfection½Ã 0.25~0.5% ÇÊ¿ä

  4) Baumgartner JC, Watkins BJ, Bae KS, Xia T. Association of Black-pigmented Bacteroides with endodontic infections. J Endod 25:413-415, 1999.
   

*±Ù´ÜºÎ º´¼Ò¸¦ °®´Â 40°³ÀÇ Ä¡¾Æ¿¡¼­ ±Ù°ü°¨¿°°ú °ü·ÃµÈ ÀÓ»óÀû Áõ»ó¿¡ ÀÖ¾î black-pigmented bacteria(BPB)ÀÇ Á¸Àç Æò°¡

#22°³(55%)¿¡¼­ BPB ¼ºÀå¿¡ positive, Prevotalla negrescens(50%), intermedia(36%), gingivalis(9%), melaninogenicus(5%)
#16/22¿¡¼­ sinus tract°ú purulent discharge ÀÖÀ¸³ª BPB¿Í ¹«°ü

  5) Metzger Z. Macrophanges in periapical lesions. Endod Dent Traumatol 16:1-8, 2000.
   

*Ä¡±Ù´Ü º´¼ÒÀÇ Çü¼º°ú À¯Áö¿¡ macrophageÀÇ ¿ªÇÒÀ» ¾Ë¾Æº½

#macrophage; fibroblast, osteoclast Ȱ¼º À¯Áö, °áÇÕÁ¶Á÷°ú °ñÀÇ È¸º¹ ¾ïÁ¦
#IL-1 receptor-antagonist; µ¿¹°¿¡¼­ °ñÈí¼ö Ȱ¼º °¨¼Ò, Ä¡±Ù´Ü º´¼Ò Çü¼º °¨¼Ò, NSAIDsµµ À¯»ç ¸ñÀûÀ¸·Î »ç¿ëµÊ
#Tetracycline; Ȱ¼ºÈ­µÈ macrophage¿¡¼­ ºÐºñµÇ´Â cytokineÀ» ¾ïÁ¦, LPS-activated macrophage¿¡ ÀÇÇØ Çü¼ºµÈ TNF, IL-1ÀÇ ¾ïÁ¦

  6) Siqueira JF Jr. Endodontic infections: concepts, paradigms, and perspectives. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 94(3):281-293, Review, 2002.
   

*±Ù°ü°¨¿°¿¡ ´ëÇØ °íÂû

#MO´Â ±Ù´ÜºÎ º´¼Ò¸¦ ÀÏÀ¸Å°±â ÃæºÐÇÑ ¼ö°¡ Á¸ÀçÇØ¾ß ÇÔ
#MO´Â ±Ù°ü°¨¿° Áß Ç¥ÇöµÇ¾î¾ß ÇÏ´Â º´µ¶À» °®°í ÀÖ¾î¾ß ÇÔ
#ÀÚ½ÅÀ̳ª º´µ¶¼Ò°¡ ±Ù´ÜÁ¶Á÷À¸·Î Á¢±ÙÀÌ °¡´ÉÇÑ ±Ù°ü°è¿¡ À§Ä¡ÇØ¾ß ÇÔ
#±Ù°üȯ°æÀº MOÀÇ »ýÁ¸°ú ¼ºÀåÀ» Çã¿ëÇÏ°í º´µ¶ À¯ÀüÀÚ Ç¥ÇöÀ» ÀÚ±ØÇÏ´Â ½ÅÈ£³ª ´Ü¼­ Á¦°ø
#±Ù°üȯ°æÀÌ MO¸¦ ¾ïÁ¦ÇÏÁö ¾ÊÀ½
#¼÷ÁÖ´Â ±Ù´ÜºÎ Á¶Á÷¿¡ ¹æ¾î±âÀüÀ» ÃëÇÏ°í °¨¿°È®»êÀ» Á¦ÇÑÇϸç ÀÌ ±âÀüÀÌ Á¶Á÷ ¼Õ»ó ¾ß±â

  7) Siqueira JF Jr. Taxonomic changes of bacteria associated with endodontic infections. J Endod 29(10):619-623, Review, 2003.
   

*Áö³­ 15³â°£ È®ÀÎµÈ ÁÖµÈ ³ó¾ç ±Ù°üº´¼Ò¸¦ Á¦½Ã

#¼¼±ÕÀ» Ç¥ÇöÇϴµ¥ ±âÁ¸ÀÇ Ç¥ÇöÇü(phenotype)°ú ÃÖ±ÙÀÇ À¯ÀüÇü(genotype)ÀÌ ÀÖÀ½
#ÃßÁ¤ ±Ù°ü°¨¿°¿ø(ºÐÀÚ À¯Àü ¹æ¹ýÀ¸·Î ÃÖ±Ù¿¡ ¹ß°ßµÈ Á¾ Æ÷ÇÔ)

#Old species; A. israelii, F. nucleatum, P. micros, Propriobactrium acnes, Veillonella parvula µî Æ÷ÇÔ
#ÃÖ±Ù 15³â°£ À̸§ÀÇ º¯È­¸¦ °ÞÀº Á¾; P. endodontalis, P. intermedia, P. alactolyticus, P. propionicus, E. lenta, C. retus, C. gracilis
#»õ·Ó°Ô ¹è¾ç°¡´ÉÇÑ Á¾; A. radicidentis, C. curtum, M. neglectum, M. pumilum
#°ú°Å¿¡ ´ÜÁö ¿ì¿¬È÷ ¹ß°ßµÇ¾úÀ¸³ª ºÐÀÚÀûÀÎ ¹æ¹ýÀ¸·Î ³ôÀº ºóµµ·Î È®ÀεǴ Á¾
#°ú°Å ±Ù´Ü°¨¿°¿¡¼­ È®ÀεÇÁö ¾ÊÀº Á¾, Áï ¹è¾çÀÌ ¾î·Æ°Å³ª ºÒ°¡´ÉÇÑ Á¾

 
3. Morphology of root canal system & aceess preparation
  1) Kuttler Y. Microscopic investigation of root apexes. J Amer Dent Assoc 50;544-552, 1955.
   

*»çü¿¡¼­ ¹ß°ÅµÈ 268°³ÀÇ Ä¡¾Æ¸¦ ºÐ¼®ÇÏ¿© Ä¡±Ù´Ü À§Ä¡ ÇüŸ¦ °èÃø

#foramen center´Â apical center¿Í ÀÏÄ¡ÇÏÁö ¾ÊÀ¸¸ç ½Ã°£ÀÌ Áö³¯¼ö·Ï °Å¸® Áõ°¡
#diameter of foramenÀº ³ªÀ̰¡ µé¼ö·Ï Áõ°¡, BLÁ÷°æ>MDÁ÷°æ
#±òµ¥±â ¸ð¾çÀÇ ÇüÅ ¶§¹®¿¡ overfillingÇÏÁö ¾Ê°í´Â À̺ÎÀ§ÀÇ ÃæÀüÀÌ ¾î·Á¿ò
#´ëºÎºÐ CDJ´Â °°Àº À§Ä¡, ±×·¸Áö ¾ÊÀ» °æ¿ì ÇÑÂÊÀÌ ±Ù´Ü°øÂÊ¿¡ °¡±î¿ò
#minor foramenÀº ÁÖ·Î dentin¿¡ À§Ä¡, À̰÷ºÎÅÍ ±òµ¥±â ¸ð¾çÀÌ ½ÃÀÛµÊ
#cementum Æò±Õ µÎ²²´Â ÀþÀº »ç¶÷¿¡¼­ 0.5mmÀÌ¸ç ³ªÀ̵ç»ç¶÷¿¡¼­´Â µÎ²¨¿ò, foramenÀü 0.5mm±îÁö ÃæÀüÇØ¾ß ÇÔ

  2) Burch JG, Hulen S. The relationship of the apical foramen to the anatomic apex of the tooth root. Oral Surg 34:262-268, 1972.
   

*nonsurgical endodontics 1-1)¿Í Áߺ¹

*°¢Ä¡±ÙÀÇ anatomic apex·Î ºÎÅÍ major foramen deviationÀÇ ¹æÇâ, Á¤µµ, ¹ß»ýÀ² Æò°¡

#major foramenÀÇ º¯À§À² 78.0~98.9%, Æò±Õ 92.4%
#ÃÖÀå Æò±Õ º¯À§ ÇÏ¾Ç ±¸Ä¡ ¿ø½É Ä¡±Ù 0.78mm
#ÃÖ¼Ò Æò±Õ º¯À§ ÇÏ¾Ç ÀüÄ¡ 0.46mm
#¸ðµç Ä¡±Ù Æò±Õ º¯À§ 0.59mm

  3) Melton DC, Krell KV, Fuller MW. Anatomical and histological features of C-shaped canals in mandibular second molars. J Endod 17:384-388, 1991.
   

*Ä¡±Ù 1/3¿¡¼­ Ä¡±Ù ±æÀÌ¿¡ µû¶ó ±Ù°ü¼ö, Àü¹ÝÀûÀÎ ±Ù°üÇüÅ µÎ°¡Áö ÀÔÀÚ¿¨¼­ C-shape±Ù°üÀÇ º¯ÀÌ ºÐ¼®

#Ä¡±Ù´Ü 1/3¿¡µµ C-shapeÀÌ °¡´ÉÇÏ¸ç ±Ù°ü¼ö ´Ù¾ç
#C-shape; Ä¡¾Æ ¿ÜÃø¸é°ú ±Ù°ü»çÀÌ 1mmº¸´Ù ¾ãÀº »ó¾ÆÁúÀÌ Á¸Àç

  4) Vertucci FJ. Root canal anatomy of the human permanent teeth. Oral Surg 58:589-599, 1984.
   

*2,400°³ÀÇ ¿µ±¸Ä¡¸¦ ´ë»óÀ¸·Î ±Ù°ü°èÀÇ ÇØºÎÇÐÀû Ư¡À» ºÐ¼®

#Vertucci 8±Ù°ü type
#Type I ; 1->1 weine type I
#Type II; 2->1 weine type II
#Type III; 1->2->1
#Type IV; 2->2 weine type III
#Type V; 1->2 weine type IV
#Type VI; 2->1->2
#Type VII; 1->2->1->2
#Type VIII; 3->3

  5) Christie WH, Thompson GK. The importance of endodontic access in locating maxillary and mandibular molar canals. J Can Dent Assoc 60:527-536, 1994.
   

*±¸Ä¡ºÎÀÇ straight line access¸¦ À§ÇÑ Á¶¾ð

#MB2 Á¸ÀçÀ² 72%, 2´ë±¸Ä¡´Â ¾à°£ ÀûÀ½, ÁÖ·Î fin ¸ð¾ç
#ÇϾÇ1´ë±¸Ä¡ ¿ø½É¼³Ãø Ä¡±Ù Á¸ÀçºñÀ² 0.9~20%
#two step access; depp class I cavity¸¦ Çü¼ºÇÏ¿© crack line Á¶»ç ÈÄ, A/O

   
4. ±Ù°ü ¹æ»ç¼±»çÁø
  1) Bender IB, Seltzer S. Roentgenographic and direct observation of experimental lesions in bone I. J Am Dent Assoc 62:153-160, 1961.
  2) Bender IB, Seltzer S. Roentgenographic and direct observation of experimental lesions in bone II. J Am Dent Assoc 62:708-716, 1961.
   

*µÎ Àú³ÎÀº »çüÀÇ ÇϾǰñÀ» ÀÌ¿ëÇÏ¿© ´Ù¾çÇÑ °ñÆÄ±«°¡ ¹æ»ç¼± »çÁø»ó¿¡ ¾î¶»°Ô ³ªÅ¸³ª´ÂÁö¸¦ Æò°¡

#1mm ±íÀÌÀÇ round bur holeÀº ¹æ»ç¼± »çÁø»ó¿¡¼­ ³ªÅ¸³ªÁö ¾ÊÀ½, ±×·¯³ª ±íÀÌ Áõ°¡½Ã ¸íÈ®ÇØÁü
#¸Á»ó°ñ »èÁ¦½Ã, ¹æ»ç¼± »çÀÜ»ó¿¡ °ñ¼ÒÁÖÇüÅ´ º¯È­ ¾øÀ½, ÇÇÁú°ñ »èÁ¦½Ã ¹æ»ç¼± °üÂû °¡´É
#ÇÇÁú°ñ Áß ¸Á»ó°ñ°úÀÇ °æ°è»èÁ¦½Ã °ñ¼ÒÁÖ ÇüÅ »ç¶óÁü
#Ä¡¼ºº´¼ÒÁÖº¯ÀÇ bone plate¸¦ ¿ÏÀüÁ¦°ÅÇØµµ ¹æ»ç¼± »çÁø»óÀÇ º¯È­¾øÀ½; Ä¡¾Æ ÁÖº¯ lamina dura°¡ °ñ¼ÒÁÖ ÇüŸ¦ °®°í Àֱ⠶§¹®

#ÀÎÀ§ÀûÀ¸·Î °ñ¿¬ÇÏ Ä¡ÁÖ³¶ Çü¼º½Ã denudeµÈ Ä¡±ÙÀº ±¸º° ºÒ°¡
#¹ßÄ¡¿ÍÀÇ Ä¡±Ù´Ü¿¡ 2¹ø bur »èÁ¦±îÁö´Â ¹æ»ç¼± »çÁø¿¡¼­ º¸ÀÌÁö ¾Ê°í ±× ÀÌ»óÀº È®ÀεÊ
#Ä¡±Ù´Ü°ñ ³» À§Ä¡; »ó¾Ç ±¸°³Ä¡±Ù, ÇÏ¾Ç 1´ë±¸Ä¡ ¿ø½É,ÇÏ¾Ç 2´ë±¸Ä¡´Â ¸Á»ó°ñ ³»¿¡ À§Ä¡, ÀÌ¿ÜÀÇ ´ëºÎºÐ Ä¡±ÙÀº ÇÇÁú°ñ ¾ÈÀ̳ª, ±Ùó¿¡ À§Ä¡
#Ä¡±ÙÀÌ ¸Á»ó°ñ³» Á¸Àç½Ã ±Þ¼º Ä¡¼ö¿°½Ã ¹æ»ç¼± »ç½Å¿¡¼­ È®ÀÎ ºÒ°¡, ÇÇÁú°ñ¿¡¼­´Â °üÂû °¡´É

  3) Walton RE. Endodontic radiographic techniques. Dent Rad and Photo 46:51-59, 1973.
   

*¹æ»ç¼± ÃÔ¿µ¿¡¼­ angulationÀ» ÅëÇØ ÇØºÎÇÐÀû±¸Á¶¸¦ È®ÀÎ

#Vertical angulation; paralleling tech(ÇϾDZ¸Ä¡), bisecting angle tech(ÇϾÇÀüÄ¡, ¸ðµç »ó¾Ç Ä¡¾Æ)
#Horizontal angulation; ÇϾǼұ¸Ä¡,´ë±¸Ä¡(µÎÄ¡±ÙÀÌ °ãÄ¡¸é 20~30µµ¿¡¼­ mesial tilting), »ó¾Ç´ë±¸Ä¡(°ü°ñ±Ã¿¡ Ä¡±Ù´ÜÀÌ °ãÄ¡¸é 20µµ mesial or distal tilting)

  4) Huumonen S, Orstavik D. Radiological aspects of apical periodontitis. Endodontic Topics 1:3-25, 2002.
   

*Ä¡±Ù´Ü Ä¡ÁÖ¿°ÀÇ ¹æ»ç¼±ÇÐÀû ¾ç»ó

#Paget's disease, Hyperparathyroidism; Ä¡Á¶¹é¼±ÀÌ »ç¶óÁö´Â Àü½ÅÁúȯ
#ÇÇÁú°ñ õ°ø½Ã, Ä¡À¯´Â ¿ÜÃø¿¡¼­ ³»ÃøÀ¸·Î ÀϾ

  5) Halse A, et al. Diagnosing periapical lesions - disagreement and borderline cases. Int Endodon J 35:703-709, 2002.
   

*Ä¡±Ù´Ü ºÎÀ§ÀÇ Æò°¡¹æ¹ý

#PDL space ¹æ»ç¼± ¾ç»ó ºÐ·ù
#Periapical index
#Á¤È®ÇÑ Ä¡±Ù´Ü Áúȯ Á¤ÀÇ

  6) Molven O, Halse A, Fristad I. Long term reliability and observer comparisons in the radiographic diagnosis of periapical disease. Int Endod J 35:142, 2002.
   

*¹æ»ç¼± Æò°¡°¡ ½Ã°£¿¡ µû¶ó Â÷À̰¡ ÀÖ´ÂÁö °ú°Å Æò°ú¿Í ÃÖ±Ù Æò°¡°£ÀÇ Â÷ÀÌ Á¶»ç

#½Ã°£¿¡ µû¸¥ Æò°¡ Â÷ÀÌ ¾øÀ½, ÃÖ±Ù ±³À°°ú ¿¾Æò°¡ Â÷ÀÌ ¾øÀ½

 

 



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