Investigating the Sizes of Anatomical Landmarks of Coronal Pulp in the First Permanent Human Molars on Bite Wing Radiography
Journal Title: Journal of Research in Medical and Dental Science - Year 2017, Vol 5, Issue 5
Abstract
Knowledge of dental pulp anatomy is effective in preventing random pulp exposure in remedial procedures. This study determined and compared the dimensions of the pulp chamber and the contours of the tooth to the pulp chamber in the first molar teeth on the bite-wing images. The present study was a cross sectional and descriptive one that was performed on 62 bitewing radiographies in the age group of 25-35. Bitewing images were exposed by the oral X-ray machine and processed by the Sordex scanner and 7 anatomical landmarks were measured on these bitewing images in MATLAB. The obtained sizes were analyzed by SPSS 17 and ANOVA was used for statistical computations. The significance level was determined to be P ≤ 0.05. There was a significant difference in the distance between the pulp horns, the height of the pulp chamber, the pulp chamber roof to the place of furcation and the tip of the cusps to the furcation site in the upper and lower jaw (P-value = 0.000). Also, there was a significant difference between the tip of the distal cusp and the distal horn (P-value = 0.050) and the bottom of the pulp chamber to the furcation (P-value = 0.014) in the upper and lower jaw and there was no statistically significant difference between the two jaws only at a distance between the tip of the mesial cusp and the mesial horn (P-value = 0.822). The precise knowledge of the dimensions of the pulp chamber and also the external surfaces of the tooth to the pulp chamber reduced the root canal failure.
Authors and Affiliations
Farzaneh Mirhosseini, Mahdieh Dehghani, Zhaleh Shafiei Sabet, Mahshid Mobini Dehkordi, Elaheh Shafiei Rad, Ali Derafshi
Keywords
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