RADIOGRAPHIC FINDINGS :-NORMAL VARIENTS1. MENTAL FORMAEN – Well defined unilocular radiolucent are between normal / vital mandibular bicuspids2. U- shaped radiopaque at max. 1st molar area is ZYGOMATIC PROCESS ,3. While radiolucency in the same area is MAXILLARY ANTRUM.ABNORMAL VARIENTS1. Attrition cases – in xray you’ll see hypercementosis2. HYPERCEMENTOSIS IS SEEEN AS – radiopacity attached to root of a tooth3. If intrusion case after trauma – youl see inflammatory type of root serorption / progressive root resorption in xray4. INVERTED PEAR SHAPE – GLOBULLOMAXILLARY CYST5. SUNRAY APPEARANCE – OSTEOSARCOMMA6. SCALLOPED BORDER – TRAUMATIC / HEMEORRHAGIC BONE CYSTOSTEOPOROSIS Seen in females after menopause Bone becomes brittle MAJOR FINDING IN MAnDIBLE SEEN ON OPG IS – THIN CORTICAL PLATES

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