RADIOGRAPHIC FINDINGS :-

NORMAL VARIENTS
1. MENTAL FORMAEN – Well defined unilocular radiolucent are between normal / vital mandibular bicuspids
2. U- shaped radiopaque at max. 1st molar area is ZYGOMATIC PROCESS ,
3. While radiolucency in the same area is MAXILLARY ANTRUM.

ABNORMAL VARIENTS
1. Attrition cases – in xray you’ll see hypercementosis
2. HYPERCEMENTOSIS IS SEEEN AS – radiopacity attached to root of a tooth
3. If intrusion case after trauma – youl see inflammatory type of root serorption / progressive root resorption in xray
4. INVERTED PEAR SHAPE – GLOBULLOMAXILLARY CYST
5. SUNRAY APPEARANCE – OSTEOSARCOMMA
6. SCALLOPED BORDER – TRAUMATIC / HEMEORRHAGIC BONE CYST

OSTEOPOROSIS
 Seen in females after menopause
 Bone becomes brittle
 MAJOR FINDING IN MAnDIBLE SEEN ON OPG IS – THIN CORTICAL PLATES