PMC5502502_01
Extraoral photograph showing the face with mild swelling on both mandibular angles
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F1
On extraoral examination, there was a mild swelling on both mandibular angles [Figure 1].
Intraoral examination showing normal color mucosa and no buccal and lingual cortical expansion
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F2
Panoramic radiograph revealing unilocular pericoronal radiolucencies in the lower third molars and apical area of anterior teeth
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F3
Dental germs of the third molars were also present [Figure 3].
Computerized tomography scan showing two well-limited areas with increase of soft tissue in the maxillary sinuses on both sides
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F4
Intraoperative Le Fort I osteotomy
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F5
Le Fort I osteotomy was opted as a way to access all maxillary lesions to favor the visibility and allow simultaneous bilateral accesses [Figure 5].
Intraoperative sagittal vestibular incision
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F6
To access the mandibular lesions, a sagittal vestibular incision in the lower rim was performed and the lesions were then removed [Figure 6].
Histopathological analysis showing cystic cavity limited by layer of regularly parakeratinized stratified squamous epithelium and fibrous connective tissue
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F7
Six-year follow-up with no signs of recurrence
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F8
Panoramic radiograph showing no signs of recurrence after six years
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F9