Oral and maxillofacial spaces of infection
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Transcript of Oral and maxillofacial spaces of infection
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Oral and maxillofacial infection
Mandibular spaces of infection
Done by:
الجواد عبد محمد آالء
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Mand. Space Infections involve:
1. Submental space
2. Submand. Space
3. Submasseteric space
4. Sublingual space
5. Ptrygo-mand. Space
6. Parapharyngeal space
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For each fascial space :
EtiologyBoundariesContentsClinical picturetreatment
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Submental Space infection
Etiology:
1. Lymphatic drainage of infected lower anterior teeth.
2. spread of infection from other anatomic spaces.
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Submental Space infection
Boundaries :
SUPERIORLY : MYLOHYOID MUSCLE
INFERIORLY: INVESTING LAYER OF DEEP CERVICA FASCIA, PLETYSMA, SUPERFACIAL FACIA,SKIN
LATERALLY: ANTERIORLY BELLY OF DIAGESTRIC MUSCLE
POSTERIORLY: HYOID BONE
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Submental Space infection
Contents:
1. sub mental limph node
2. anterior jugular veins
Clinical picture:
1. painful submental edema
2. Generalized constitutional symptoms.
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Submental Space infection
Treatment:
1. Local anesthesia
2. incision on the skin is made beneath the chin
3. Blunt dissection
4. Rubber drain
5. A/B administration
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Sublingual space infection
Etiology:
1. Infection of lower incisors and premolars
2. Spread of infection from other spaces
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Sublingual space infection
Boundaries:
INFERIORLY: MYLOHYOID MUSCLE
MEDIALLY: GENIOHYOID, GENIOGLOSSUS
LATERALLY: BODY OF MANDIBLE
SUPERIORLY: FLOOR OF THE MOUTH
POSTERIORLY: HYOID BONE
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Sublingual space infection
Contents:
1. Sub man gland duct(warttons duct)
2. Sub lingual gland
3. Hypoglssal n.
4. Lingual artery.
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Sublingual space infection
Clinical picture
1. Raised tongue
2. Sublingual swelling
3. Dysphagia
4. Enlarged painful submental and subman. Lymph nodes
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Sublingual space infection
Treatment
1. Incision ( intraorally lateral to the sublingual duct )
2. Drainage
3. Rubber drain
4. A/B administration
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Submandibular space infection
Etiology:
1. Infection in lower molars
2. Pricoronitis ( lower wisdoms )
3. Fracture angle
4. Indirect infection ( spread from other spaces)
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Submandibular space infection
Boundaries:
INFERIORLY: ANTERIOR & POSTERIOR BELLY OF DIAGASTRIC
SUPERIORL: MEDIAL ASPECT OF MYLOHYIOD
ANTERIORLY: MYLOHYIOD SPACE
POSTERIORLY: HYIOD BONE
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Submandibular space infection
Contents:
1. Submandibular salivary gland, duct and L.Ns
2. Facial artery
3. Lingual N
4. Hypoglossal N
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Submandibular space infection
Clinical picture:
1. Painful swelling obliterating the angle of the jaw
2. Tenderness
3. Generalized constitutional symptoms.
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Submandibular space infection
Treatment:
1. Incision ( extraorally below lower border of the mandible )
2. Blunt dissection3. Rubber drain4. A/B administration5. Fluid replacement ( rehydration )6. Bed rest
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Submandibular space infection
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Buccal space infection
Etiology
Infected upper or lower molars
( depends on buccinator muscle attachment )
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Buccal space infection
Boundaries:
Antero medialy: buccinator muscle
Postero medialy: masseter & anterior border of the ramus & internal ptegoid muscle
Lateraly: platysma & deep fascia
Above: zygomatic process
Below: deep fascia of mandible
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Buccal space infection
Contents:
1. Buccal bad of fats2. Facial lymph nodes
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Buccal space infection
Clinical picture:
1. Intra oral bulging
2. Extra oral swelling confined to cheek
3. Throbbing pain4. General constitutional symptoms
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Buccal space infection
Treatment:
1. Incision and drainage: Intraorally
2. A/B administration
3. Rehydration
4. Bed rest
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Submasseteric space infection
Etiology:
1. Lower molar teeth
2. Pericoronitis
3. Buccal space infection posterior spread
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Submasseteric space infection
Boundaries:
Medial: lat. surface of the ramus
Lateral: Masseter ms.
Posterior: Parotid gland
Superiorly: zygomatic arch
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Submasseteric space infection
Clinical picture:
1. Deep seated, severe throbbing pain
2. Swelling over the angle and ramus
3. Marked trismus
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Submasseteric space infection
Treatment:
1. Incision and drainage Intraoral only submasseteric space Extraoral multiple spaces
2. A/B administration
3. Rehydration
4. Bed rest
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Pterygomandibular space infection
Etiology: Odontogenic
Lower third molar Infected needle
Gun shot wounds or compound fracture Orthognathic surgery Downword spread of infratemporal space.
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Pterygomandibular space infection
Boundaries:
Medial: medial pterygoid ms.
Lateral: meadial surface of ramus
Ant: pterygomandibular raphae
Posterior: parotid gland
Superior: lateral pterygoid ms. infra-temporal space
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Pterygomandibular space infection
Contents:
1. Inferior alv. Bundle
2. Lingual n.
3. Internal maxillary artery
4. Pterygoid plexus of veins
5. Posterior temporal artery
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Pterygomandibular space infection
Clinical picture:1. Severe trismus ( med. & lat. pterygoid ms. )
2. Intraoral swelling medial displacement of lateral pharyngeal wall
3. Dysphagia
4. Uvula displacement to the opposite side
5. Air hunger
6. General constitutional symptoms
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Pterygomandibular space infection
Spread:
Upward infratemporal space Below submandibular space Medial lateral pharyngeal space
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Pterygomandibular space infection
Treatment:1. Incision and drainage: Intraoral only pterygomandibular space:
along the mesial temporal crest Extraoral multiple spaces
2. Rubber drian insertion3. Rehydration4. A/B administration5. Bed rest
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Parapharyngeal space infection
Etiology:
1. Infection of lower wisdoms
2. Posterior spread of pterygoman. abscess
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Parapharyngeal space infection
Boundaries
BASE: skull base
APEX: hyoid bone
MEDIALLY: superior constrictor muscle
LATERALLY: medial pterygoid m.
POSTERIORLY: parotid glad and carotid sheath
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Parapharyngeal space infection
Contents:
1. deep cervical L.Ns2. Accessory N3. Glossopharyngeal N4. Hypoglossal N5. Carotid sheath6. Facial artery
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Parapharyngeal space infection
Clinical picture:
1. dysphagia
2. Severe trismus
3. Ear and neck ache
4. Shifted tonsils and pharyngeal wall
5. Uvula is pushed medially
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Parapharyngeal space infection
Traetment:
1. Incision and drainage: Intraoral: vertical incision lateral and parallel to
pterygman. Fold Extraoral ( multiple spaces )
2. Rubber drain insertion3. A/B administration4. Rehydration5. Bed rest
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Retropharyngeal space abscess
Retropharyngeal abscess (RPA) is an abscess located in the tissues in the back of the throat behind the posterior pharyngeal wall. It extends from the base of the skull to a variable level between the T1 and T6 vertebral bodies.
they are difficult to diagnose by physical examination alone. Early diagnosis is key, while a delay in diagnosis and treatment may
lead to death. Parapharyngeal space communicates with retropharyngeal space
and an infection of retropharyngeal space can pass down behind the oesophagus into mediastinum
Most commonly seen in infants and young children, RPAs can also occur in adults of any age.
RPA can lead to airway obstruction or sepsis - both life-threatening emergencies.
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Retropharyngeal space abscess
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Retropharyngeal space abscess
Boundaries:
anterior margin: middle layer of the deep cervical fascia 1
posterior margin: alar fascia, which separates the retropharyngeal space from the danger space
lateral margins: deep layer of the deep cervical fascia 1 superior margin: the clivus inferior margin: the point at which the alar fascia fuses
with the middle layer of the deep cervical fascia, typically around the T4 vertebral body 3
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Retropharyngeal space abscess
The retropharyngeal space is:
1. anterior to the danger space
2. posterior to the pharyngeal mucosal space
3. anteromedial to the carotid space
4. posteromedial to the parapharyngeal space
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Retropharyngeal space abscess
contents:
1. areolar fat
2. lymph nodes (lateral and medial retropharyngeal)
3. small vessels
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Retropharyngeal space abscess
etiology:
1. bacterial infection originating from the nasopharynx, tonsils, sinuses, adenoids or middle ear. Any Upper Respiratory Infection (URI) can be a cause. RPA can also result from a direct infection due to penetrating injury or a foreign body.
2. Odontogenic cause
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Retropharyngeal space abscess
Clinical picture:
1. stiff neck (limited neck mobility or torticollis)2. some form of palpable neck pain (may be in "front of
the neck" or around the Adam's Apple)3. Malaise4. difficulty swallowing5. fever, stridor6. drooling7. croupy cough8. enlarged cervical lymph nodes.
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Retropharyngeal space abscess
Management:Management:
1. A tonsillectomy approach is typically used to access/drain the abscess.
2. Antibiotic administration
3. Rehydration
4. Bed rest
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Carotid sheath abscess
The carotid space is a roughly cylindrical space that extends from the skull base through to the aortic arch. It is circumscribed by all three layers of the deep cervical fascia, forming the carotid sheath :
1. Pretracheal2. Prevertebral3. investing
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Carotid sheath abscess
Boundaries:
1. superior margin: lower border of jugular foramen
2. inferior margin: aortic arch
3. Anterolateral : sternocleidomastoid muscle
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Carotid sheath abscess
Relations:
1. Suprahyoid carotid space:
2. anteriorly: masticator space; parapharyngeal space
3. laterally: parotid space
4. posteriorly: perivertebral space
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Carotid sheath abscess
Contents:
1. common carotid artery inferiorly and internal carotid artery superiorly
2. internal jugular vein3. glossopharyngeal nerve (CN IX)4. vagus nerve (CN X)5. accessory nerve (CN XI)6. hypoglossal nerve (CN XII)7. sympathetic nerves8. deep cervical lymph node chain
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Carotid sheath abscess
Etiology:
1. Infection usually arises from thrombosis of the internal jugular vein or from infection of those deep cervical lymph nodes that lie within the sheath ·
2. Thrombosis of the jugular vein from a deep infection of the neck is probably not due to direct infection of the carotid sheath, but rather to the fact that infectious material follows tributaries of the internal jugular vein to reach the sheath. ·
3. Drug use (Heroin) usually use carotid route to obtain a fast high.
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Carotid sheath abscess
Clinical picture:
1. Swelling extend to the neck
2. Localized pain along the course of the vessels
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Carotid sheath abscess
Management:
Incision and drainage along the anterior border of sternomasoid muscle.
If the external jugular vien is indurated and thrombosed it must be ligated to prevent farther spread.
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Abscess of the parotid space
It is a rare condition to occur due to dental sepsis, but it may occur due to:
• Septic parotitis• Septic fracture of the ascending ramus• Indirect spread from the parapharyngeal and
submandibular space
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Abscess of the parotid space
Anatomy :The parotid space lies between the two
layers of the superficial layer of fascia, these tow layers are situated medially and anteriorly . It is bounded laterally by superficial layer of deep cervical fascia, it is in direct continuation with the submasseteric space, submandibular space, parapharyngeal space
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Abscess of the parotid space
Contents:1.Parotid gland and its duct2.Facial nerve and its branches3.Auricalotemporal nerve4.Superficial temporal artery and
vein5.Parotid lymph node6.Posterior facial vein
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Abscess of the parotid space
Clinical picture:1. Swelling at the parotid region2. elevating the ear lobules3. Severe pain in the parotid area, may be
referred to 4. ear and temporal region5. Pain during mastication6. Some Trismus may be observed7. Pus from parotid duct when milked 8. General constitutional symptoms
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Abscess of the parotid space
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Abscess of the parotid space
D.D:
1. Mumps (young age, bilateral)
2. Parotitis (discharge is turbid and purulent)
3. Parotid sialolithiasis
4. Cyst of the parotid salivary gland
5. Tumor
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Abscess of the parotid space
Management:
Incision and drainage (Blair’s incision)
Drain is inserted
A/B administration
Supportive measures
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Thank you