background: pericoronal tissue is the soft tissue located between the bony crypt and the impacted tooth, which is histologically composed of fi brous connective tissue and is usually lined by the reduced enamel epithelium. increased epithelial cell proliferation in the pericoronal tissue is associated with pathological changes such as development of an odontogenic cyst or an epithelial odontoge...

Tissue clearing techniques are frequently used in the observation and description of anatomical structures pathways without altering three-dimensional layout specimen. optical promotes preservation structures, which allows study internal anatomy its original position spatial interaction. Among these techniques, Potassium Hydroxide (KOH) maceration is one most widely used. However, histological ...