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Observation of the Pulp Chamber of Maxillary First Premolars: A Microcomputed Tomographic Study

Author(s):

Gozde Serindere*, Ceren Aktuna Belgin and Kaan Orhan   Pages 1 - 6 ( 6 )

Abstract:


Background: There are a few study about the evaluation of maxillary first premolars internal structure with micro computed tomography (micro-CT). The aim of this study was to assess morphological features of pulp chamber in maxillary first premolar teeth using micro- CT.

Methods: Extracted 15 maxillary first premolar teeth were selected from the patients who were in different age groups. The distance between the pulp orifices, the diameter of the pulp and the width of the pulp chamber floor were measured on the micro-CT images with the slice thickness of 13.6 μm. The number of root canal orifices, the presence of isthmus were evaluated.

Results: The mean diameter of orifices were 0.73 mm on buccal side while it was 0.61 mm on palatinal side. The mean distance between pulp orifices was 2.84 mm. The mean angle between pulp orifices was -21.53°. The mean height of pulp orifices on the buccal side was 4.32 mm while the mean height of pulp orifices on the palatinal side was 3.56 mm. The most observed shape of root canal orifices was flattened ribbon. No isthmus was found in specimens.

Conclusion: Minor anatomical structures can be evaluated in more detail with micro-CT. The observation of pulp cavity was analyzed with using micro-CT.

Keywords:

Anatomy, maxillary first premolar, micro-CT, pulp cavity, root canal system

Affiliation:

Asst. Prof., Hatay Mustafa Kemal University, Faculty of Dentistry, Department of Dentomaxillofacial Radiology, Hatay, Asst. Prof., Hatay Mustafa Kemal University, Faculty of Dentistry, Department of Dentomaxillofacial Radiology, Hatay, Ankara University, Faculty of Dentistry, Department of Dentomaxillofacial Radiology, Ankara



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