ORAL MAXILOFACIAL SURGERY

1. MANDIBULAR SPACE INFECTION AND
MANAGEMENT
-SURABHI DESAI

2. SUBMENTAL SPACE
INFECTION FROM SIX ANTERIOR MANDIBULAR
TEETH.PERFORATES THE CORTICAL PLATE
BELOW ORIGIN OF MENTALIS LABIALLY AND
MYLOHYOID LINGUALLY
• INFECTION OF SUBMENTAL LYMPH
NODE,LYMPHATIC SPREAD FROM LOWER
INCISOR,LOWER LIP,SKINOVERLYING
CHIN,FLOOR OF MOUTH,TIP OF
TONGUE,SUBLINGUAL TISSUE

3. SURGICAL ANATOMY
• BOUNDARIES:
• lateral:lower border of mandible and anterior
bellies of digastric muscle
• superior:mylohyoid muscle
• Inferiorly:deep cervical fascia and superficial
facia and skin
• CONTENTS:submental lymph node,anterior
jugular vein.

4. CLINICAL FEATURES
• EXTRAORAL FINDING-FIRM SWELLING BENETH
CHIN,SKIN OVERLYING IS BOARD LIKE AND
TAUT.FLUCTUATION MAY BE PRESENT.
• INTRAORAL FINDING:THE ANTERIOR TEETH
ARE
NONVITAL,FRACTURED,CARIOUS,TENDERNESS
TO PERCUSSION,MOBILITY.

5. INCISION AND DRAINAGE
• TRANSVERSE INCISION BELOW OF MANDIBLE
SYMPHYSIS OF MANDIBLE.BLUR SINUS
FORCEPNT DISSECTION IS DONE BY KELLYS
FORCEP ,PIECE OF CORRUGATED RUBBER
DRAIN IS INSERTED AND IS SECURED TO ONE
OF THE MARGINS OF THE WOUND WITH A
SUTURE.

6. SPREAD
• THE INFECTION CAN SPREAD POSTERIORLY TO
INVOLVE SUBMANDIBULAR SPACE
• IT MAY DISCHARGE ON FACE IN THE
SUBMENTAL REGION.