Ultrasonography and Its Application In Oral and Maxillofacial Region

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Ultrasonography is one of most commonly used advanced imaging modality.It is a non invasive diagnostic aid. From the earliest days of application of sonic principle in medicine, there have been continuous new developments in the acoustical waves for diagnosis. Use of ultrasound waves enables detection of normal as well as pathologic conditions. Various advances in ultrasound like colour doppler ultrasound, ultasound guided fine needle aspiration cytology have increases its application in oral and maxillofacial region. Doppler mode in sonography is a very useful modality in the differential diagnosis between normal and metastatic lymph nodes in patients with oral squamous cell carcinoma. Fine needle aspiration for mass like lesions and OK-432 administration have also began as interventional radiology techniques using ultrasonography in the oral and maxillofacial region.