BACKGROUNDOrthopantomography plays a great role to categorise the lesion according to its location and relationship with respect to tooth. It is simple and cost effective. Orthopantomography can provide clue regarding the aggressiveness of the lesion and therefore a radiologist can provide an idea as to which lesion can be left alone and which lesion require therapy or surgery. MATERIALS AND METHODSPatients with specific complaint pertaining to lower jaw, pain in the lower jaw, discharge from mouth, etc. were studied by orthopantogram examination. The machine use for the study is D. B. Troniks and the duration of the study is one year from January 2016 to December 2016. RESULTSA study of 50 patients were carried out at our institute having symptoms and sign pertaining to lower jaw. Maximum cases were found in fourth decade. Males were more affected than females. On radiographic features, most lesions were mixed followed by sclerotic and then lytic. Most common benign malignant lesion found in our studies was squamous cell carcinoma followed by multiple myeloma. CONCLUSIONThe orthopantomography examination is very useful and important diagnostic aid in diagnosis of these mandibular lesions, as it is a simple and nontraumatic procedure. Various mandibular lesions showing radiographic features like solid-cystic appearance, location, margins, internal architecture, bony expansion, cortical breach, effect of lesion on adjacent structures, etc. play an important role in diagnosis of these lesions. KEYWORDSBenign Lesions, Mandible, Orthopantomogram. HOW TO CITE THIS ARTICLE: Vyas RR, Soni HC, Bhalodia AC, et al. Malignant lesions of mandible on orthopantomogram-Our experience. J. Evid. Based Med.
BACKGROUND Orthopantomography plays a vital role to diagnose mandibular lesions. Odontogenic benign tumours may occur at any period of odontogenesis. Those who develop during first stage of teeth formation do not contain calcified tissue and are therefore referred to as soft. When they develop during second stage (formation of enamel and cementum) they may contain calcified tissue so known as hard lesion. Orthopantomography help in such a way that tissue biopsy is necessary only to confirm the diagnosis and in some case its need may be altogether eliminated. MATERIALS AND METHODS Patients included in the study were from all age groups and under following clinical findings like pain, difficulty to open mouth, swelling, local tenderness, discharge from mouth etc. The machine use for the study is D B Troniks and the duration of the study is one year from jan-2016 to dec-2016. RESULTS A study carried out of 50 patient, after orthopantomogram found that incidence of male are more affected compare to females and most of them lying in third decade. The density of lesions were lytic followed by mixed and then sclerotic, while the margins of most of the lesions was smooth and well define. Most common lesion was dentigerous cyst followed by radicular cyst. CONCLUSION Many lesions involving the jaw produce characteristic radiographic appearances while many lesions produce protean characteristic with resultant overlap in radiographic features. With the combine help of history, clinical examination and orthopentomographical examination one can have accurate diagnosis of the lesions.
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