Читать книгу Shear's Cysts of the Oral and Maxillofacial Regions - Paul M. Speight - Страница 71

 Arises on the last standing mandibular molar – almost always a third molar

 There is a history or presence of pericoronitis

 May be swelling and discomfort, but often symptomless

 The associated tooth is vital

 Well‐demarcated and corticated radiolucency

 Usually 10–15 mm in diameter

 Lies on the buccal aspect of the tooth root and bifurcation, but often orientated distally

 An important diagnostic feature is that the distal follicular space is intact and distinct from the cyst

 The periodontal space and lamina dura are intact