The Role of Radiology in Dentistry and General Medicine Radiology stands as one of the most significant scientific achievements contributing to the advancement of modern medicine. The discovery of X-rays revolutionized the methods used to diagnose diseases, determine their nature, and monitor their progression. Medical imaging techniques have become an essential component of clinical practice, providing precise information that assists physicians in making appropriate treatment decisions and reducing the need for invasive diagnostic procedures. With the continuous evolution of medical technology, the scope of radiology has expanded across various medical specialties—including dentistry, which relies heavily on radiographic imaging for diagnosing oral and dental conditions and planning treatment. In dentistry, radiology serves as a vital diagnostic tool for identifying conditions that cannot be detected through clinical examination alone. It helps in identifying interdental decay, assessing the depth of a lesion and its proximity to the dental pulp, and detecting infections, periapical lesions, abscesses, and pathological changes in the surrounding bone. Furthermore, radiographs are instrumental in evaluating impacted teeth, determining their precise location and orientation before deciding on a course of treatment or extraction. Radiology also plays a pivotal role in endodontics (root canal treatment) by enabling the measurement of root canal length, assessing the condition of the periradicular tissues, and monitoring the success of the treatment. Additionally, it is utilized in fields such as orthodontics, oral and maxillofacial surgery, pediatric dentistry, periodontics, and prosthodontics, as it provides critical data regarding the structure of teeth and bone, as well as their relationship to adjacent anatomical structures. Panoramic radiography and cone-beam computed tomography (CBCT) are techniques that have contributed to improved treatment planning in cases requiring a broader assessment or three-dimensional detail. In general medicine, radiography is widely used to diagnose chest and lung diseases, evaluate fractures and skeletal injuries, and detect various pathological changes in the abdomen and joints. Advanced imaging modalities—such as computed tomography (CT), magnetic resonance imaging (MRI), and ultrasound—have expanded diagnostic capabilities, providing detailed information about various organs and tissues. These techniques differ in their operational mechanisms and applications; while X-rays and CT scans rely on ionizing radiation, MRI and ultrasound do not. Despite the significant benefits of medical imaging, the safe use of radiation remains a primary priority in healthcare institutions. This necessitates adherence to the principle of justification—ensuring that an examination is performed only when there is a clear medical need—and the principle of dose optimization, which aims to obtain a diagnostic-quality image with the lowest reasonably achievable radiation exposure. Furthermore, it is essential to consider the patient’s age and health status, select the most appropriate technique for each individual case, follow radiation protection protocols, and ensure that staff are trained in the correct use of the equipment. In conclusion, medical imaging serves as a cornerstone in the advancement of both dentistry and general medicine, providing critical information that facilitates early diagnosis, enhances treatment precision, and supports the monitoring of clinical outcomes. Maximizing the benefits of these technologies relies on combining scientific knowledge, professional expertise, and technological advancement, alongside a commitment to safety and quality standards—all of which ensure the delivery of more precise and safer healthcare for patients.