This book serves as a comprehensive guide to Cone Beam Computed Tomography (CBCT), focusing on its fundamental physics, anatomical landmarks, and multifaceted applications in various fields of dentistry and medicine. It bridges the gap between theory and practical implementation, making it an essential resource for students, professionals, and researchers.The reader will gain a thorough understanding of how CBCT works, including its ability to generate high-resolution 3D images from multiple X-ray projections, which enables precise visualization of structures not visible through conventional 2D radiography. This technical foundation sets the stage for a deeper appreciation of how CBCT contributes to various fields.