case_images: PMC7879215_01
case_images: A seven-year-old healthy boy with mixed dentition and bilateral BBC which involved unerupted incomplete permanent mandibular first molars.
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case_images: PMC7879215_01_f1000research-9-54764-g0000.jpg
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case_images: 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).
case_images: (
  a and
  b) Clinical intraoral photographs show bilateral surgical removal of the bilateral BBC with the involved permanent teeth.
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case_images: PMC7879215_01_f1000research-9-54764-g0001.jpg
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case_images: Then, the cavity was enucleated and curetted thoroughly ( Figure 2), to reduce the risk of recurrence.
case_images: 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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case_images: f3
case_images: Also, the specimens under the microscope showed bland looking spindle-shaped fibroblasts and degenerated bony spicules, which was consistent with cystic lesions ( Figure 3).