PMC7879215_01
A seven-year-old healthy boy with mixed dentition and bilateral BBC which involved unerupted incomplete permanent mandibular first molars.
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Moreover, the left radiolucent cyst distally displaced the permanent mandibular second molar tooth bud (37, according to the FDI World Dental Federation Notation) ( Figure 1).
(
a and
b) Clinical intraoral photographs show bilateral surgical removal of the bilateral BBC with the involved permanent teeth.
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Then, the cavity was enucleated and curetted thoroughly ( Figure 2), to reduce the risk of recurrence.
High-power histology shows the cyst wall with chronic inflammatory lymphocytes and two to four cell layers thick of proliferating lining of nonkeratinized stratified squamous epithelium.
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Also, the specimens under the microscope showed bland looking spindle-shaped fibroblasts and degenerated bony spicules, which was consistent with cystic lesions ( Figure 3).