PMC6699555_01
Orthopantomograph.
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Orthopantomograph (OPG) revealed ectopic maxillary third molars in the maxillary sinus along with impacted mandibular third molars (Fig. 1).
CBCT.
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Cone Beam Computed Tomography (CBCT). CBCT showed the presence of obliquely impacted 18 and 28, projecting into the maxillary sinus. (Fig. 2) Crown portions were located in maxillary sinus, whereas the root portions were in close approximation with medial wall of maxillary sinus.
Intraoperative picture of 18.
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Complete removal of cystic lining and extraction of ectopic maxillary third molars (Fig. 3 and Fig. 4) along with mandibular third molars was carried out.
Histopathology.
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The histopathogical findings showed cyst wall lined by dentine epithelium with squamous and non-keratinizing epithelium which confirmed the diagnosis of dentigerous cyst with no signs of malignancy (Fig. 5) Post-operative healing was uneventful. (Fig. 6).
Six Months Postoperative Orthopantomograph.
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The histopathogical findings showed cyst wall lined by dentine epithelium with squamous and non-keratinizing epithelium which confirmed the diagnosis of dentigerous cyst with no signs of malignancy (Fig. 5) Post-operative healing was uneventful. (Fig. 6).