Analysis of the Length and Types of Root Trunk and Length of Root in Human First and Second Molars and to the Actual Measurements with the 3D CBCT

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  • Al-Zoubi Ibrahim A
    Department of Preventive Dentistry, College of Dentistry, Aljouf University
  • Patil Santosh R
    Department of Oral Medicine and Radiology, College of Dentistry, Aljouf University
  • Takeuchi Kazuo
    Department of Gerodontology, School of Dentistry, Aichi Gakuin University
  • Misra Neeta
    Department of Oral Medicine and Radiology, Babu Banarasi Das College of Dental Sciences
  • Ohno Yuzo
    Department of Periodontology, School of Dentistry, Aichi Gakuin University Medical Corporate Grpoup Kofukukai
  • Sugita Yoshihiko
    Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
  • Maeda Hatsuhiko
    Department of Oral Pathology, School of Dentistry, Aichi Gakuin University
  • Alam Mohammad Khursheed
    Orthodontic Department, College of Dentistry, Aljouf University

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<p>To assess the length and types of root trunk and length of root in a Saudi Population and to correlate the actual measurements with the CBCT measurements. A total of 206 molars were used in this study. CBCT were obtained and subsequently patients were subjected for extraction as the tooth were having poor prognosis. The measurements were carried out on CBCT by using the accompanying software and the actual measurements were carried out with a digital vernier caliper. The mean and SD scores were calculated for actual length of root trunk and length of root and from CBCT method in maxillary and mandibular 1st and 2nd molar in Type of root trunk. Then the actual and CBCT length of root trunk and length of root were compared dependent t test. The statistical significance was set at 5% level of significance (p<0.05). In maxillary arch, the type A root trunk was observed in 55.88% and 39.06%, type B in 44.11% and 59.37% of first and second molars respectively. Type A root trunk was observed in 75.0 % and 55.18%, type B in 25.0% and 44.87% of mandibular first and second molars respectively. The difference between the actual length and CBCT length of root trunk was statistically non-significant (p>0.05) and no significant difference is observed between actual length of root and length of root measured by CBCT (p>0.05). Knowledge of the types of root trunk type dimension may aid the dental practitioner in diagnosing and planning the treatment of molars with furcation involvement. CBCT may lend comparatively discriminative dimensions of the periodontal defect similar to that of actual measurements.</p>

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