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Layered structure of sialoliths compared with tonsilloliths and antroliths.

J Korean Assoc Oral Maxillofac Surg

February 2024

Department of Oral and Maxillofacial Surgery, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea.

Objectives: The aim of this study was to perform a comparative analysis of the ultrastructural and chemical composition of sialoliths, tonsilloliths, and antroliths and to describe their growth pattern.

Materials And Methods: We obtained 19 specimens from 18 patients and classified the specimens into three groups: sialolith (A), tonsillolith (B), and antrolith (C). The peripheral, middle, and core regions of the specimens were examined in detail by histology, micro-computed tomography (micro- CT), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy, and transmission electron microscopy (TEM).

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Prevalence of Haller's Cells: A Panoramic Study.

Ann Maxillofac Surg

January 2019

Department of Oral Medicine and Radiology, Pandit Deendayal Upadhyay Dental College, Solapur, Maharashtra, India.

Context: Haller's cells or infraorbital ethmoid cells refer to the ethmoidal pneumatization of the superior aspect of the maxillary sinus, and floor of the orbit can be seen on panoramic radiographs. They appear as well-defined, round-, oval-, or teardrop-shaped radiolucencies with smooth corticated or noncorticated borders.

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A male patient of 21 years of age reported to the Department of Periodontology and Implantology with a chief complain of pus discharge in both right and left upper lateral incisors. On clinical examination a deep pocket of about 10-14 mm was noticed in both lateral incisors. Radiographic interpretation shows a teardrop-shaped radiolucency in both the laterals giving suspicion of palatogingival groove, which was later discovered and treated surgically.

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Background: The lateral periodontal cyst is considered a developmental odontogenic cyst with unusual occurrence. In most cases it is preliminary diagnosed as a radiographic finding, presenting as well circumscribed or as a round or teardrop-shaped radiolucent area. Due to its location it can easily be misdiagnosed as a lesion of endodontic origin.

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