Most of periapical radiolucencies are the result of inflammation such as pulpal disease due to infection or trauma. Not all radiolucencies near the tooth root are due to infection. Odontogenic or non odontogenic lesion can over imposed with the apices of teeth.
What is dental radiolucency?
It is common to see dark areas, known as radiolucencies, on a dental x-ray. A radiolucency often represents a void or an area of tissue that is less dense. Some of these radiolucencies are normal, such as those that represent openings in the jaw bone that allow certain nerves to enter and exit the jaw.
What is endodontic radiolucency?
In essence, the formation of an endodontic periapical radiolucency is evidence of the person’s body creating a line of defense against the spread of bacteria and infection byproducts from within its associated tooth.