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Analysis of pulp chamber of primary maxillary second molars using 3D micro-CT system: an in vitro study

Type:  Articles

Pubblication date:  /1/2015

Authors:  A.I. Orhan*, K. Orhan**, B.M. Ozgul***, F.T. Öz****

Language:  English

Institution:  Faculty of Dentistry, Ankara University, Ankara,Turkey *DDS, PhD, TC Minister of Health 75th year oral and dental center, Ankara **DDS, PhD, Prof. Dr., Department of DentoMaxillofacial Radiology ***DDS, PhD, Department of Pediatric Dentistry ****DDS, PhD, Prof. Dr., Department of Pediatric Dentistry

Publication:  European Journal of Paediatic Dentistry

Publisher:  Ariesdue Srl

Keywords:  Crown contour; Micro-CT analysis; Primary second molars; Pulp chamber morphology.

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Email:  [email protected]

Title:  Analysis of pulp chamber of primary maxillary second molars using 3D micro-CT system: an in vitro study

Abstract:  Aim The aim of this study was to determine the positional relationship between the crown contour and the pulp chamber as well as the morphological characteristics of the pulp chamber using micro-CT in order to plan, in restorations of deciduous maxillary second molars, reconstructions with a volumetric rendering programme. Materials and methods Study Design: In total 16 deciduous maxillary second molar teeth (8 from boys, 8 from girls) were used. The positional relationship between crown contour and pulp chamber was three-dimensionally observed by micro-CT). Differences in sex, dentin thickness and pulp volumes were evaluated using chi-square and paired t-tests. Differences were considered significant when P < 0.05. Results Dentin thickness was found to be 2.8 mm ± 0.2, mesiobuccally 3.15 mm ± 0.2 distobuccally 3.8 ± 0.3, which was statistically significant (p≤0.05). The pulp volume for boys was 77 mm3 ± 4, for girls 64 mm3± 5, with a statistical significance (p≤0.05). Conclusions General differences could play a role when planning a treatment for a child; however for both genders it should be noted that mesiobuccal pulp horn is most likely to get exposed during cavity preparation.

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