Odontogenic fistula

Introduction to odontogenic skin Odontogenic cutaneousdrainingsinustract, also known as the dental sinus (dentalsinus), is a disease in which an abscess occurs in the inflammation around the root tip of the chronic tooth and is discharged from the skin opening to form a pupil or an inflammatory nodule. basic knowledge The proportion of illness: 0.0025% Susceptible people: no special people Mode of infection: non-infectious Complications: sepsis

Etiology of odontogenic skin

(1) Causes of the disease

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(two) pathogenesis

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Odontoid skin prevention

Early detection, early diagnosis, and early treatment are important for indirect prevention of this disease, and can also reduce the incidence of infection complications. For patients with existing infections, antibiotics should be used as soon as possible.

Odontogenic cutaneous fistula complications Complications sepsis

Inducing skin bacterial infections or fungal infections, usually secondary to low body constitution, or long-term use of immunosuppressive agents and fungal infections such as onychomycosis, such as concurrent bacterial infections may have fever, skin swelling, ulceration and purulent secretion logistics Out of performance. Severe cases can lead to sepsis.

Odontogenic cutaneous symptoms Symptoms After the molars, the redness and swelling of the granuloma

The disease is usually a small red papule or carbunoid lesion, gradually enlarged, and then the surface is erosive, ulceration, drainage, basal cell carcinoma or suppurative granuloma appearance, damage to the surrounding soft tissue, redness and swelling, touch the elasticity And the sense of volatility, damage can occur in the eye to the skin of the neck, but most commonly in the ankle and jaw, oral examination can be seen in the buccal mucosal erosion, the center of the tooth is black or defective, can be shaken, local lymphadenopathy Big and tender.

Examination of odontogenic skin fistula

Histopathology: manifested as cellulitis and granuloma-like changes in the lesions. The X-ray of the apex showed a diffuse X-ray permeable area with chronic periapical abscess.

Diagnosis and diagnosis of odontogenic skin fistula

According to the clinical manifestations, the characteristics of skin lesions and histopathological features can be diagnosed.

Need to identify with pyogenic granuloma, actinomycosis, squamous cell carcinoma, osteomyelitis of the mandible, congenital fistula, deep mycosis, foreign body reaction.

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