case_images: PMC10692702_01
case_images: Intraoral view of the mandibular swelling in relation to teeth #73, #74, and #75.
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case_images: fig1
case_images: Intraoral examination revealed an expansion of the buccal and lingual cortical plates associated with teeth #73, #74, and #75 (Figure 1).
case_images: (a) Axial view of the CBCT showing the expanded buccal bone. (b) Panoramic reconstruction revealed a well-limited, unilocular radiolucent image apical to the deciduous teeth with an extension to the mesial of the tooth #36, and the crowns of the unerupted teeth #33, #34, and #35 were pushed towards the basilar mandibular bone. (c) Para-axial cuts showed apical displacement of the teeth buds towards the mental nerve in proximity and an expansion of the buccal and lingual bone plates.
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case_images: fig2
case_images: The axial cuts displayed an expanded buccal bone (Figure 2(a)) and the panoramic reconstruction revealed a well-limited, unilocular radiolucent image below the apices of teeth #32, #73, #74, and #75. The lesion extended from the distal aspect of tooth #31 to the mesial aspect of tooth #36 involving the crowns of the unerupted teeth #33, #34, and #35 (Figure 2(b)). Expansion of the buccal and lingual bone plates with no perforation was documented as well (Figure 2(c)).
case_images: (a) Teeth were extracted. (b) An incisional biopsy of the cystic tissue. (c) A sterile silicon irrigation tube was cut into a small cylinder to serve as a drain. (d) The tube was stabilized in the extracted sockets with multiple interrupted sutures.
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case_images: fig3
case_images: The teeth were extracted under local anesthesia and curettage as an incisional biopsy of the cystic tissue was performed for histopathological analysis (Figures 3(a) and 3(b)). The tube was stabilized in the extracted sockets with multiple interrupted 3.0 nylon sutures (Figures 3(c) and 3(d)) and trimmed in length to avoid occlusal interference.
case_images: Cystic wall composed of fibrous tissue, lined with a non-keratinized stratified epithelium, H&E x20.
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case_images: fig4
case_images: The histopathological results reported the characteristics of a dentigerous cyst (Figure 4).
case_images: The fixed device used for decompression was removed.
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case_images: fig5
case_images: After one month of decompression, the fixed device was removed (Figure 5), and the patient was referred to his pedodontics' to have a space maintainer placed.
case_images: (a) Six months of clinical imaging revealed the eruption of the first permanent premolar. (b) The X-ray showed bone regeneration in the previously cystic region, and the progression of the permanent canine and second premolar teeth buds towards occlusion.
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case_images: fig6
case_images: At the six-month recall examination, the clinical (Figure 6(a)) and radiographic findings (Figure 6(b)) revealed bone regeneration in the previously cystic region, the eruption of the first permanent premolar, and the progression of the permanent canine and second premolar teeth buds towards occlusion.
case_images: One-year panoramic radiographic follow-up showed the remarkable eruptive progression of the permanent teeth.
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case_images: fig7
case_images: One-year radiographic follow-up showed the remarkable eruptive progression of the permanent teeth (Figure 7).
case_images: Five years later, complete bone regeneration, and positioning of teeth #33, #34, and #35 within the arch are reported with no evidence of recurrence.
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case_images: fig8
case_images: Five years later, complete bone regeneration, and good positioning of teeth #33, #34, and #35 within the arch are reported with no evidence of recurrence (Figure 8).