Histomorphometric Study of the Root Apex of Mandibular Premolar Teeth: An Attempt to Correlate Working Length Measured with Electronic and Radiograph Methods to Various Anatomic Positions in the Apical Portion of the Canal

Journal of Endodontics

Volumn 34, Issue 4, 2008, Pages 408-412

  Hassanien, Ehab E ^a   Hashem, Abeer ^a   Chalfin, Henry ^b  

^a Ain Shams University   (Egypt)

^b New York Presbyterian Hospital   (United States)

Author keywords

Apex locator; apical constrictor; radiographic length

Indexed keywords

ADULT; ARTICLE; ELECTRONICS; HISTOLOGY; HUMAN; INSTRUMENTATION; MANDIBLE; METHODOLOGY; MIDDLE AGED; ODONTOMETRY; PREMOLAR TOOTH; RADIOGRAPHY; TOOTH PULP; TOOTH ROOT;

ADULT; BICUSPID; DENTAL PULP CAVITY; ELECTRONICS, MEDICAL; HUMANS; MANDIBLE; MIDDLE AGED; ODONTOMETRY; TOOTH APEX;

EID: 40849126603     PISSN: 00992399     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.joen.2007.12.013     Document Type: Article

References (26)

1. Dunlap C.A., Remeikis N.A., BeGole E.A., and Rauschenberger C.R. An in vivo evaluation of an electronic apex locator that uses the ratio method in vital and necrotic canals. J Endod 24 (1998) 48-50
2. Dummer P.M., McGinn J.H., and Rees D.G. The position and topography of the apical canal constriction and apical foramen. Int Endod J 17 (1984) 192-198
3. Wood P. Endodontic cavity preparation. In: Ingle J.I., and Taintor J.F. (Eds). Endodontics. 3rd ed. (1985), Lea & Febiger, Philadelphia 191
4. Martin C.L., Gijon R., Luque F., and De Mondelo N.R. In vitro evaluation of the accuracy of three electronic apex locators. J Endod 30 (2004) 231-233
5. Weine F.S. Calculation of working length. In: Weine F.S. (Ed). Endodontic therapy. 5th ed. (1996), Mosby, St Louis 395
6. Williams C.B., Joyce A.P., and Roberts S.A. Comparison between in vivo radiographic working length determination and measurement after extraction. J Endod 32 (2006) 624-627
7. Goldman M., Pearson A.H., and Darzenta N. Endodontic success: who's reading the radiograph?. Oral Surg 33 (1972) 432-489
8. Pratten D.H., and McDonald N.J. Comparison of radiographic and electronic working lengths. J Endod 22 (1996) 173-176
9. Stein T.J., and Corcoran J.F. Radiographic working length revised. Oral Surg Oral Med Oral Pathol 74 (1992) 796-800
10. Lee S.T., Nam K.C., and Kim D.W. Clinical accuracy of a new apex locator with an automatic compensation circuit. J Endod 28 (2002) 706-709
11. Gutman J.L., and Witherspoon D.E. Obturation of the cleaned and shaped root canal system. In: Cohen S., and Burns R.C. (Eds). Pathways of the pulp. 8th ed. (2002), Mosby, St Louis 311
12. D'Assunção F.L., Albuquerque D.S., and Ferreira L.C. The ability of two apex locators to locate the apical foramen: an in vitro study. J Endod 32 (2006) 560-562
13. Shabahang S., Goon W.Y., and Gluskin A.H. An in vivo evaluation of Root ZX electronic apex locator. J Endod 22 (1996) 616-618
14. Satio T., and Yamashita Y. Electronic determination of root canal length by a newly developed measuring device: the influences of the diameter of the apical foramen, the size of K- file and root canal irrigants. Dent Japan 27 (1990) 65-72
15. Herrera M., Ábalos C., Planas A.J., and Llamas R. Influence of apical constriction diameter on Root ZX apex locator precision. J Endod 33 (2007) 995-998
16. Glickman G.N., and Pettiette M.T. Preparation for treatment. In: Cohen S., and Burns R.C. (Eds). Pathways of the pulp. 9th ed. (2006), Mosby, St Louis 111
17. Venturi M., and Breschi L. A comparison between two electronic apex locators: an in vivo investigation. Int Endod J 38 (2005) 36-45
18. Swartz D.B., Skidmore A.E., and Grieffin J.A. Twenty years of endodontic success and failure. J Endod 9 (1983) 198-202
19. Sjögren U., Hagglund B., Sundqvist G., and Wing K. Factors affecting the long-term results of endodontic treatment. J Endod 16 (1990) 498-504
20. Smith C.S., Setchell D.J., and Harty F.J. Factors influencing the success of conventional root canal therapy-a five-year retrospective study. Int Endod J 26 (1993) 321-333
21. Friedman S., Lost C., Zarrabian M., and Trope M. Evaluation of success and failure after endodontic therapy using a glass-ionomer cement sealer. J Endod 21 (1995) 384-390
22. Nehammer C.F. Treatment of the emergency patient. Br Dent J 158 (1985) 245-254
23. Seltzer S., Soltanoff W., Sinai I., Goldenberg A., and Bender. Biologic aspects of endodontics: part III-periapical tissue reactions to root canal instrumentation. Oral Surg Oral Med Oral Pathol 46 (1969) 724-738
24. Ricucci D., and Langeland L. Apical limit of root canal instrumentation and obturation: part 2-a histologic study. Int Endod J 31 (1998) 394-409
25. Kuttler Y. Microscopic investigation of root apices. J Am Dent Assoc 50 (1955) 44-52
26. Avery J.K. Essentials of oral histology and embryology. 2nd ed. (2000), Mosby, St. Louis