Restorative Dentistry and Endodontics

  • 제27권5호
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  • Pages.521-529
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  • 2002
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  • 2234-7658(pISSN)
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  • 2234-7666(eISSN)
대한치과보존학회 (The Korean Academy of Conservative Dentistry)
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GT rotary file을 이용한 근관성형법과 충전방법의 비교

COMPARISON OF CANAL SHAPING METHODS WITH GTTM ROTARY FILE AND CONDENSATION METHODS

  • 강유미 (전북대학교 치과대학 치과보존학교실 및 구강생체과학연구소) ;
  • 진정희 (전북대학교 치과대학 치과보존학교실 및 구강생체과학연구소) ;
  • 유미경 (전북대학교 치과대학 치과보존학교실 및 구강생체과학연구소) ;
  • 이세준 (전북대학교 치과대학 치과보존학교실 및 구강생체과학연구소) ;
  • 이광원 (전북대학교 치과대학 치과보존학교실 및 구강생체과학연구소)
  • Kang, Yu-Mi (Department of Conservative Dentistry & Institute for Oral Bioscience, College of Dentistry, Chonbuk National University) ;
  • Jin, Jeong-Hee (Department of Conservative Dentistry & Institute for Oral Bioscience, College of Dentistry, Chonbuk National University) ;
  • Yu, Mi-Kyung (Department of Conservative Dentistry & Institute for Oral Bioscience, College of Dentistry, Chonbuk National University) ;
  • Lee, Se-Joon (Department of Conservative Dentistry & Institute for Oral Bioscience, College of Dentistry, Chonbuk National University) ;
  • Lee, Kwang-Won (Department of Conservative Dentistry & Institute for Oral Bioscience, College of Dentistry, Chonbuk National University)
  • 발행 : 2002.09.01
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초록

The purpose of this study was to compare the shaping time of two shaping methods and the leakage of three different obturation techniques. Ninty three canaled human molar teeth were used, which were randomly divided into two groups of forty teeth each and ten control teeth. After working length determination, the one group was prepared crown-down technique using rotary root canal instruments of GT rotary files .12/20, .10/20, .08/20 and .06/20 taper(Maillefer Instrument SA. Switzerland). The other group was instrumented with Gates Glidden burs(#1, #2, and #3) to coronal preparation and GT rotary files .08/20 and .06/30 taper to apical preparation. Shaping time was measured. After root canals were instrumented, they were divided to three subgroups and obturated as follows : Subgroup 1, obturated with single cone method Subgroup 2, obturated with lateral condensation : Subgroup 3, obturated with continuous wave technique. Three subgroups were obturated using non-standardized gutta-percha cone(Diadent, Korea, .06 or .08 taper) and AH-26(Dentsply DeTrey, Germany) as a root canal cement. Ten unobturated teeth served as positive and negative controls. After immersion in 2% methylene blue solution for 1 month, the teeth were washed during 24h. The teeth were demineralized in 10% nitric acid and dehydrated by immersion in 80, 90 and 100% ethyl alcohol. The teeth were finally cleared and stored in 100% methylsalicylate, and apical dye penetration was evaluated under stereomicroscope(Leica M420, LC, U.S.A)at $\times$8.75 magnification. Liner measurement of dye penetration was assessed with the use of digitalized image analysing system (analySIS, GmbH, Germany) The data were analysed statistically using independent T-test and Two-way ANOVA and Tukey test. The result were as follows 1. In canal prepared with GT$^{TM}$ rotary file, shaphing time taked more than the group of using Gates Glidden drill to coronal preparation without statistical significance (p>0.05) 2. The group of single cone obturation using canal preparation of GT$^{TM}$ rotary files showed significantly more apical leakage than those of lateral condensation and continuous wave technique regardless of shaping method (p<0.05). 3 The group of single cone obturation using canal preparation of GT$^{TM}$ rotary files and Gates Glidden drill showed significantly more apical leakage than those of continuous wave technique regardless of shaping method (p<0.05). 4. Regardless of shaping method, The group of continuous wave obturation showed less apical leakage than those of lateral condensation without statistical significance (p>0.05). 5. The group of single cone obturation using canal preparation of GT$^{TM}$ rotary files and Gates Glidden drill showed more apical leakage than the group of lateral condensation using same shaping method with-out statistical significance (p＞0.05).

키워드

참고문헌

  1. Weine, F. S : Endodontic therapy, 3rd ed., st. Louis, C.V. Mosby Co., P.2. 1982
  2. Buchanan, L. S. : The standardized-taper root canal preparation-part 3. GT file technique in large root canals with small apical diameters. lnt. Endodont. J., 34(2): 149-156, 2001 https://doi.org/10.1046/j.1365-2591.2001.00386.x
  3. Gluskin, A. H : A reconstructed computerized tomographic comparison of GT files versus traditional instruments in canals shaphed operators. Int. Endodont. J., 34(6): 476-484, 2001 https://doi.org/10.1046/j.1365-2591.2001.00422.x
  4. Cohen S, Burns. R. C : Pathways of the pulp, 7th ed. st. Louis, C.V. Mosby Co., P.258, 1998
  5. Leung S. F, Gulabivala K. : An in-vitro envaluation of the influence of canal curvature on the sealing ability of Thermafil. Int. Endodont. J., 27: 190-196. 2001 https://doi.org/10.1097/00004770-200103000-00014
  6. Skinner RL, Van Himmel T. : The sealing ability of injection-molded thermoplasticized gutta-percha with and without the use of sealers. J Endodon, 13 : 315-317, 1987 https://doi.org/10.1016/S0099-2399(87)80112-7
  7. Franklin S. Weine : Endodontic Therapy 5th ed. st. Louis, Mosby: 436-437, 1996
  8. Schilder HC: Filling root canals in three dimensions. Dent. Clin. North Am: 723-44, 1967
  9. Buchanan LS: The continuous wave of obturation technique : 'Centered' condensation of warm gutta percha in 12 seconds, Dent. Today: 61-67, 1996
  10. Kirk A. DuLac : Comparision of the obturation of Lateral by six Techniques. The American Association of Endodontics, 25(5): 376-380, 1999
  11. 임동열, 이희주, 허복 : 측방가압법과 system $B^{TM}$를 이용한 근관충전시 근관만곡도에 따른 폐쇄효과의 비교. 대한치과보존학회지 24 : 482-488, 1999
  12. Ludovic Pommel : lnvitro Apical Leakage of System B Conmpared with other Filling Technicquesx. The American Assiciation of Endodontists, 27(7): 449-451, 2001
  13. Hervert Schilder : Filling root canals in three dimensions. Dental Clinics of North America November : 723-744, 1967
  14. Patrick Wahl : Optimal obturation and shaping. Dent. Today June : 78-81, 1996
  15. Buchanan LS : Cleaning and shaping the root canal system. In: Cohen S, Burns RC, ed pulp, 5th ed. st. Louis, Mo, USA: Mosby-Yearbook, Inc
  16. Schilder H, Cleaning and shaping the root canal. Dental Clinics of North America 18 : 269-296, 1974
  17. Short JA, Morgan LA, Baumgartner JC, A comparision of canal centering ability of four techniques. Journal of Endodontics 23, 503-506, 1997 https://doi.org/10.1016/S0099-2399(97)80310-X
  18. Walia H. Brantley WA, Gerstein H, An initial investigation of the investigation of the bending and torsion of Nitinol root canal files. Journal of Endodontics 14, 346-351, 1988 https://doi.org/10.1016/S0099-2399(88)80196-1
  19. Coleman CL & Svec TA, Anaylysis of Ni-Ti versus stainless steel intrumentation in root canals, Journal of Endodontics 23, 232-235, 1997 https://doi.org/10.1016/S0099-2399(97)80053-2
  20. S.A. Thompson, P.M.H. Dummer : Shaping ability of lightspeed rotary nickel-titanium instruments in stimulated root canals. Part2. The American Association of Endodentists : 23(12): 742-747, 1997
  21. 임성삼 저 : 임상근관치료학, 2th. 의치학사 : 526-527, 1999
  22. Ozata F, Onal B, Erdilek N, Turkun SL : A comparative study of apical leakage of Apexit, kstac-endo, and diaket root canal sealers. J Endodon : 25 : 603-604, 1999 https://doi.org/10.1016/S0099-2399(99)80317-3
  23. Ahlberg KMF, Assavanop P, Tay WM : A comparison of the apical dye penetration patterns shown by methylene blue and India ink in root-filled teeth. Int Endodon : 28 : 30-34, 1995 https://doi.org/10.1111/j.1365-2591.1995.tb00153.x
  24. Limkangwalmongkol S, Abbott PV, Sandler AB : Apical dye penetration with four root canal sealers and gutta-percha using logitudinal sectioning. Int Endodon : 18 : 535-539, 1992 https://doi.org/10.1016/S0099-2399(06)81209-4
  25. Limkangwalmongkol S, Burtscher P, Abbott PV, Sandler AB, Bishop BM : A comparative study of apical leakage of four root canal sealers and latrally condensed gutta-percha. Int Endodon ; 17 : 495-499, 1991 https://doi.org/10.1016/S0099-2399(06)81797-8
  26. Czonstkowsky M, Michanowicz A, Vazque J : Evaluation of an injection of thermoplasticized low temperature gutta-perch using radioactive isotopes. J Endodon ; 11 : 71-74, 1985 https://doi.org/10.1016/S0099-2399(85)80122-9
  27. Haikel Y, Wittenmeyer W, Bateman G, Bentaleb A. Allemann C : Anew method for the quantitative analysis of endodontic microleakage. J Endodon : 25 : 172-177, 1999 https://doi.org/10.1016/S0099-2399(99)80136-8
  28. Mechailesco PM, Valcarcel J, Grieve AR. Levallois B, Lerner D : Bacterial leakage in endodontics : An improved method for quantification. J Endodon : 22 : 535-539, 1996 https://doi.org/10.1016/S0099-2399(96)80013-6
  29. Miletic I, Anic I, PEzelj-Ribaric s. Jukics : Leakage of five root canal sealers. Int Endod J ; 32 : 415-418, 1999 https://doi.org/10.1046/j.1365-2591.1999.00254.x
  30. Beeler WJ, Marshall FJ, Brown AC : The permeability of apical barriers. J Endodon ; 15 : 422-426, 1989 https://doi.org/10.1016/S0099-2399(89)80176-1
  31. Tharuni L, Parameswaran A, Sukumaran VG : A comparison of canal preparation using the k-file and light speed in resin blocks. J Endodon : 22 : 474-476, 1996 https://doi.org/10.1016/S0099-2399(96)80081-1
  32. 권오상, 김성교:전동화일로 형성된 근관에서 비표준화 Gutta-percha cone의 적합성,대한 치과 보존학회지,25:390-398, 2000
  33. Haikel Y, Wittenmeyer W, Bateman G, Bentaled A, AllemannC:A new method for quantitative analysis of endodontic microleakage.J Endodon :25:172-177, 1999 https://doi.org/10.1016/S0099-2399(99)80136-8
  34. Hopkins JH, Remeikis NA, Van Cura JE:Mcspadden versus lateral condensation:The exetent of apical microleakage.J Endodon: 12:198-202, 1986 https://doi.org/10.1016/S0099-2399(86)80154-6
  35. Fuss Z,Rickoff BD, Santos Mazzal, Wikarzczuk M, Leon SA: Comparative sealing quality of gutta percha following the use of the Mcspadden compactor and engine plugger. J Endodon; 11:117-121. 1985 https://doi.org/10.1016/S0099-2399(85)80229-6
  36. Kerekes K, Rowe A: Themomechanical compaction of gutta-percha root filling. Int Endodon J;15:27-35, 1982 https://doi.org/10.1111/j.1365-2591.1982.tb01334.x
  37. Bradshaw G. B.,Hall A.,Edmunds D.H.: The sealing ability of injection-moulded thermoplasticized gutta-percha. Int Endodon J 22:17-20, 1989 https://doi.org/10.1111/j.1365-2591.1989.tb00500.x