1. *Odontogenic
infection
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*Dr. Hamed Orafi

2. *Odontogenic
infections
*Infection
*Abscess
*Cellulitis
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3. *Factors determining the
extent of infection
*Microbe
*Virulence
*Dose, no of infecting microbes
*Portal of entry i.e. pulp,
periodontal, surgical wounds
*Toxic factors released
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4. *Host
*General factors
*Health status of patient
*Immnuocompetency
*Extremes of age
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5. *Local factors
*Local blood supply , vascularity
*Local anatomy infection spread
along pathways of least resistance
i.e. potential fascial planes, tissue
spaces
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6. *Natural history of
dental infections
Pulpitis
Acute subacute
chronic
Apical
periodontitis
Acute chronic
Periapical
granuloma
Dental cyst
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7. pulpitis
Facial
cellulitis
Facial abscess osteomyelitis
Apical
abscess acute
chronic
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8. Facial cellulitis
Ludwig’s angina
Cavernous sinus
thrombosis
mediastinitis
septicemiadeath
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9. *Buccinator below facial,
above intraoral swelling
*Mylohyoid below deep sublingual
space above superficial. Sublingual
*Masseter in-between
submasseteric lateral temporal
space
*Medial pterygoid lateral
pterygomandibular space, medially
lateral pharyngeal, post.
Retropharyngeal space
*Buccinator laterally above
buccal space
Below intraoral swelling
Hard palate medially palatal
abscess
Maxillary sinus superiorly
Maxillary sinusitis
*Anatomical pathways of spread
of dental infections
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10. *Pain toothache
*Erythema gingivitis
*Oedema I/O or E/O swelling
*Pus discharge
*Fistula formation
*Pyrexia
*Tachycardia
*Tachypnea
*Lymphadenopathy
*Malaise
*leukocytosis
*Clinical features of
dental infections
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11. *Principles of management
of simple dental infections
*Local
measures
*Systemic
measures
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12. *Local measures
*Drainage
*Maintain drainage
*Eliminate the cause
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13. *drainage
*Incision into fluctuant
swelling
*Open root canal
*Extract tooth
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14. *Maintain drainage
*Insert corrugated drain tube or strip
*Warm salt water mouth rinses
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15. *Eliminate the cause
*Extraction of the non-vital
tooth
*Debridement of necrotic tissue
*Root canal therapy
*Periodontal therapy
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16. *Systemic measures
*In conjunction with systemic measures
*Bed rest
*Maintain fluid intake maybe iv
*Analgesics
*Antibiotics
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