Oral Radiology

Radiographic Features Of Periapical Granuloma Write short note on radiographic features of periapical granuloma. Answer. Following are the radiographic features of periapical granuloma: Periapical area is radiolucent with loss of lamina dura. Radiolucency is of variable size at the apex of tooth, diameter is usually less than 1.5 cm. Lesion may or may not have well … [Read more...] about Radiographic Features Of Periapical Granuloma

PA Water's View Write short note on technique and indication for PA Water's view. Answer. PA Water's View Structure shown This projection is used to demonstrate the maxillary sinus. It also shows frontal and ethmoidal sinus. The orbit, frontozygomatic suture, nasal cavity, coronoid process of the mandible and the zygomatic arch are also seen. Film Placement … [Read more...] about PA Water’s View

Components Of X-Ray Tube Define radiation. Explain with the help of diagram the construction of X-ray tube and production of X-rays. or Discuss in detail about production of X-ray. draw a well-labeled circuit diagram of X-ray tube. or Draw a labeled diagram for X-ray tube and discuss production of X-rays. Answer. Radiation is defined as the emission and propagation of … [Read more...] about Components Of X-Ray Tube

Collimator Write short note on collimator. Answer. Radiation beam emitted by X-ray tube is shaped using special diaphragm known as collimator. Collimation is the method by which one can control size and shape of the X-ray beam. Collimator decreases the risk of radiation, minimizes scattered radiation and decreases the fog with sharp image and better contrast. … [Read more...] about Collimator

Osteoradionecrosis Write short note on osteoradionecrosis. Answer. Osteoradionecrosis is a radiation-induced pathologic process characterized by the chronic and painful infection and necrosis is accompanied by the late sequestration and sometimes permanent deformity. This is one of the most serious complications of radiation to head and neck seen frequently today because of … [Read more...] about Osteoradionecrosis