Osteomyelitis (I)

Osteomyelitis


ETIOPATHOGENESIS

1.Conditions reducing host factors

Diabetes
Malnutrition
Agranulocytosis
Leukaemia
Chronic alcoholism
Febrile illness


2.Conditions compromising jaw

Vascularity
Radiation
Pagets disease
Fibrosis dyoplasia
Malignancy


ETIOLOGY

• Odontogenic infection which could be pupil or periodontal infection.
• Traumatic injuries to the jaws, fractures
• Periostitis caused from a gingival ulceration or infected lymph nodes from lacerations on the face.
• In rare cases it may even be a hematogenous spread of infection from a distant site.
•

CLASSIFICATION


1. Based On Pathogenesis

● Hematogenous
● Peripheral vascular disease
● Focus of infection

2. Duration & Severity

● Acute
● Chronic

3.Clinical Types

● Acute suppurative
● Secondary chronic
● Primary chronic
● Non supparative

4. Presence Of Pus

a) Suppurative
- Acute
- Chronic
- Infantile

b) Non suppurative
- Sclerosing
- Garres
- Actinomycotic
- Radiation

TYPES

1. Infantile
2. Acute Pyogenic
3. Chronic Suppurative
4. Chronic non suppurative
5. Garre’s
6. Actinomycoses
7. Tubercular
8. Radionecrosis