Nada Ashraf Kamal, Farid Medhat Farid And Yara Rabia Helaly,

Objectives: The Study Aimed To Assess The Prevalence Of C-shaped Root Morphology In The Mandibular First And Second Molars Of Egyptian Sub Population Using CBCT.

Materials and Methods: 169 CBCT Scans Including 384 Mandibular First And Second Molars Were Examined Using Planmeca Romexis" Viewer Software. Scans Were Analyzed In The Three Planes Axial, Coronal And Sagittal_by Two Oral Radiologists Detecting The Presence Of C-shaped Root Morphology. Qualitative Data Were Presented As Frequencies And Percentages. Inter- And Intra? Observer Agreement Was Assessed Using Kappa Statistic For Qualitative Data.

Results: C-shaped Root Was Found In 36 Second Molars Comprising 17.1 % Of Second Molars, And No C-root Was Found In First Molars.Conclusion: C-shaped Root Is Not Rare In The Mandibular Second Molars Of The Egyptians Needing The Clinicians To Learn How To Manage Such Cases.