Ro Lesions

Front 1

1. Broken root(s)

Back 1

History of extraction. Portion of root with periodontal ligament; osteosclerosis; radiolucency suggested secondary inflamation

Front 2

2. Foreign bodies

Back 2

Clinical history;recent treatment; gunshot wound. Shape and position give it away

Front 3

3. condensing osteitis( very common)

Back 3

ill defined radiopacity (Varies in radiopacity), related to root apices, bicuspid and molar regions, No symptoms, no growth. Non-expansive.

Front 4

4. Multiple enostosis

Back 4

Long duration. Patient over 30 years. Lesions multiple, no skeletal lesions

Front 5

5.Polyostotic fibrous dysplasia

Back 5

Young subject with encrine disturbances Several bones involved

Front 6

6. Ossifying fibroma

Back 6

Migration of teeth, growth increasing in size. Single lesions, teeth showing migration, irregular outline

Front 7

7. Exostosis, torus, osteoma

Back 7

Slow change. Periosteal position dense radiopacity

Front 8

8. Paget’s Disease

Back 8

Male over 40 years usually. Multiple “ cotton wool” –like radiopacities,skull and other bones involved

Front 9

9.Cementoma( stage III)

Back 9

No symptoms. Small lesions at apex of vital teeth, common location mandibular incisors

Front 10

10. Unerupted tooth

Back 10

Frequently no symptoms, Anatomic shape

Front 11

11. Odontoma

Back 11

Slowly Growing. Radiopaque lesions containing enamel, dentin and pulp.Compound when two or more small tooth- like structure.complex when an irregular of calcified tissue

Front 12

12. Osteopetrosis( Albers-Schönberg disease, or marble bone)

Back 12

Present at birth; hereditary, involving the skeleton, Accumulation of bone tissue with loss of lamina dura and abnormal tooth normal position

Front 13

13. Leontiasis ossea

Back 13

Starts in the childhood and progressively affects upper face. Limited to maxilla nasal, frontal and zygomatic bones. Dense radiopacities

Front 14

14. Caffey’s Disease

Back 14

Usually under 6 months. Mandible involved in 75% of cases; also long bones.Enlarged thickening of inferior boder of mandible.

Front 15

15. Garré’s osteomyelitis

Back 15

More common in mandible in children and young adults. Enlargement of lower border of mandible inin response to an abscess, cyst or osteomyelitis. Radiopacity on periosteal side of the bone

Front 16

16. Thalassemia( Cooley’s anaemia)

Back 16

Hereditary haemolytic anaemia among Mediterranean races,yellow skin,weakness, enlarged liver and spleen. Thickening of diploe of skull with vertical radiopaque trabeculae on surface of cranial vault( hair on end)

Front 17

17. Osteogenic sarcoma

Back 17

Rapid growth, migration of teeth, loosening of teeth, ulceration, pain and paraesthesia 10-30 years old. Widening of periodontal ligament spaces is the earliest radiographic sign. Radiopacity of tumour destroye cortex of affected bone and extends in the soft tissues.Radiating radiopapaque striae-“ sun-ray appearance” is not always seen

Front 18

18.Chondrosarcoma

Back 18

Similar to osteogenic sarcoma

Front 19

19. metastatic tumours(rare)

Back 19

Histry of prostate or breast cancer