case_images: PMC9411006_01
case_images: Panoramic view upon presentation.
case_images: CRID2022-7902602.001.jpg
case_images: PMC9411006_01_CRID2022-7902602.001.jpg
case_images: fig1
case_images: It had caused severe expansion toward the mandible's inferior border and the alveolar crest (Figure 1).
case_images: Axial CBCT section upon presentation.
case_images: CRID2022-7902602.002.jpg
case_images: PMC9411006_01_CRID2022-7902602.002.jpg
case_images: fig2
case_images: The axial and cross-sectional views indicated severe expansion in the buccal and moderate expansion in the lingual aspect, causing thinning of both the buccal and lingual cortical plates (Figures 2 and 3).
case_images: Cross-sectional CBCT image upon presentation.
case_images: CRID2022-7902602.003.jpg
case_images: PMC9411006_01_CRID2022-7902602.003.jpg
case_images: fig3
case_images: The axial and cross-sectional views indicated severe expansion in the buccal and moderate expansion in the lingual aspect, causing thinning of both the buccal and lingual cortical plates (Figures 2 and 3).
case_images: Labiolingual and superoinferior size of the lesion on cross-sectional CBCT section. (labiolingual size = 37.2 mm, superoinferior size = 42.9 mm).
case_images: CRID2022-7902602.004.jpg
case_images: PMC9411006_01_CRID2022-7902602.004.jpg
case_images: fig4
case_images: Labiolingual and superoinferior lesion sizes on the cross-sectional CBCT section were 37.2 mm and 42.9 mm, respectively (Figure 4).
case_images: Anteroposterior size of the lesion in axial CBCT section.
case_images: CRID2022-7902602.005.jpg
case_images: PMC9411006_01_CRID2022-7902602.005.jpg
case_images: fig5
case_images: Also, the anteroposterior size of the lesion in the axial CBCT section was 63.8 mm (Figure 5).
case_images: Extraoral preoperative view.
case_images: CRID2022-7902602.006.jpg
case_images: PMC9411006_01_CRID2022-7902602.006.jpg
case_images: fig6
case_images: After gentle and careful elevation of the periosteum (to preserve and protect it), the tumor was resected subperiosteally with 1 cm of safe margin both anteriorly and posteriorly (considering its benign nature and also for maximum preservation of healthy bone tissue) (Figures 6-8).
case_images: Intraoral intraoperative view.
case_images: CRID2022-7902602.007.jpg
case_images: PMC9411006_01_CRID2022-7902602.007.jpg
case_images: fig7
case_images: After gentle and careful elevation of the periosteum (to preserve and protect it), the tumor was resected subperiosteally with 1 cm of safe margin both anteriorly and posteriorly (considering its benign nature and also for maximum preservation of healthy bone tissue) (Figures 6-8).
case_images: Enucleated lesion.
case_images: CRID2022-7902602.008.jpg
case_images: PMC9411006_01_CRID2022-7902602.008.jpg
case_images: fig8
case_images: After gentle and careful elevation of the periosteum (to preserve and protect it), the tumor was resected subperiosteally with 1 cm of safe margin both anteriorly and posteriorly (considering its benign nature and also for maximum preservation of healthy bone tissue) (Figures 6-8).
case_images: Panoramic view at 1 week postoperatively.
case_images: CRID2022-7902602.009.jpg
case_images: PMC9411006_01_CRID2022-7902602.009.jpg
case_images: fig9
case_images: The follow-up sessions were scheduled at 1 week, 3 months, 6 months, 1 year, and 3 years postoperatively (Figures 9-12).
case_images: Panoramic view at 1 year postoperatively, indicating spontaneous bone fill of the defect.
case_images: CRID2022-7902602.010.jpg
case_images: PMC9411006_01_CRID2022-7902602.010.jpg
case_images: fig10
case_images: The follow-up sessions were scheduled at 1 week, 3 months, 6 months, 1 year, and 3 years postoperatively (Figures 9-12).
case_images: Panoramic view at 3 years postoperatively, indicating spontaneous bone fill of the defect.
case_images: CRID2022-7902602.011.jpg
case_images: PMC9411006_01_CRID2022-7902602.011.jpg
case_images: fig11
case_images: The follow-up sessions were scheduled at 1 week, 3 months, 6 months, 1 year, and 3 years postoperatively (Figures 9-12).
case_images: Cross-sectional CBCT images at 3 years postoperatively, indicating spontaneous bone fill of the defect (after ensuring complete spontaneous bone fill of the defect, the plate was removed in another surgical procedure).
case_images: CRID2022-7902602.012.jpg
case_images: PMC9411006_01_CRID2022-7902602.012.jpg
case_images: fig12
case_images: The follow-up sessions were scheduled at 1 week, 3 months, 6 months, 1 year, and 3 years postoperatively (Figures 9-12). Also, 3 years after the surgery, cross-sectional CBCT images revealed complete bone regeneration and no recurrence of the COF (Figure 12).
case_images: Well-shaped trabecular bone and bone marrow space filled with dense fibrous connective tissue.
case_images: CRID2022-7902602.013.jpg
case_images: PMC9411006_01_CRID2022-7902602.013.jpg
case_images: fig13
case_images: An incisional biopsy was obtained during plate removal, and the sections were stained with hematoxylin and eosin.  Figure 13 shows a well-shaped trabecular bone and bone marrow space filled with dense fibrous connective tissue, which indicates spongy bone histology.