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ISSN (Print) 1013-9052
EISSN 1658-3558
The Saudi Dental Journal,
P.O. Box 52500,
Riyadh 11563,
Kingdom of Saudi Arabia
Tel.
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966-1-467-7328
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Fax.
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933-1-467-7308 /
966-1-467-7534
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Email
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saudidj@ksu.edu.sa
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SDJ
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The Relationship Of Apical Obturation Level To The Anatomic Apex
Saad A. Al-Nazhan, BDS, MSD,* Abdulkader Al-Jarrah, BDS,** Tarik Al-Ali, BDS***
*King Saud University College of Dentistry, P.O. Box 60169, Riyadh 11545, Saudi Arabia.
** Dental Department, National Guard Hospital, Riyadh
*** King Faisal Specialist Hospital & Research Center, Riyadh.
The position of the root canal filling materials at the root apex was studied using intact mandibular teeth of a cadaver. Teeth were divided into two groups. Each group received routine root canal therapy. The root canal filling materials were placed at the radiographic apex in one group, and at 0.5 to 2 mm short of radiographic apex in the other group. The position of the gutta percha at the root apex was checked radiographically and microscopically. Results showed an extrusion of the filling material out of the canal when placed at the radiographic apex. Placing the filling materials 1.0 to 1.5 mm short of radiographic apex showed an acceptable position microscopically.
Saudi Dental Journal 1994;6(3):156-159.
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