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21 Cards in this Set
- Front
- Back
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Muscle that blocks spread of infection from upper centrals |
Orbicularis oris |
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Muscle that blocks spread of infection from upper laterals |
No blockage |
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Muscle that blocks spread of infection from upper canine |
Levator anguli oris Levator labii superioris Alaeque Nasai |
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Muscle that blocks spread of infection from upper premolars |
Zygomatic major and minor Levator labii superior |
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Muscle that blocks spread of infection from upper molars |
Buccinator muscle |
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Muscle that blocks spread of infection from lower centrals and laterals |
Mentalis |
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Muscle that blocks spread of infection from lower canines |
Depressor labii inferioris And platysma |
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Muscle that blocks spread of infection from premolars and molars |
Mylohyoid |
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Boundries of canine space |
Superiorly -> levator labii superioris Inferiorly -> levator angli oris & obuclaris muscle Anteriorly -> lateral wall of the nose Posteriorly -> communicates with buccal space |
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Canine space contains |
Infraorbital nerve and vein Angular vein |
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Palatal space |
Localised swelling Incision cut parallel to gingival margin |
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Boundries of |
Superiorly -> Zygomatic arch Inferiorly -> lower border of mandible Anteriorly -> Posterior border of zygomaticus major Posteriorly -> Anterior edge of masseter and pterygomandibular raphe Medially -> Buccinator muscle laterally -> Skin and Fascia |
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Buccal space contains |
Buccal pad of fat Parotid duct Facial artery |
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Differentiate between buccal infection and parotid infection |
Clinical picture Parotid if Pus coming from upper 7 Intermittent pain and swelling especially following food |
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Boundries of infratemporal space |
Superiorly -> Sphenoid Laterally -> Ramus of mandible Anteriorly -> Posterior surface of zygomatic bone Medially -> Lateral pterygoid plate |
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Infratemporal space contains |
Maxillary artery Pterygoid venous plexous Max and mandibular nerve + Charda tympani |
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Boundries of submental space |
Above -> mylohyoid muscle Below -> deep fascia and platysma muscle and skin Laterally -> inferior border of mandible and anterior belly of digastric muscles |
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Submental space contains |
Submental lymph nodes Adipose tissues |
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Boundries of sublingual space |
Above -> the mucosa Below -> mylohyoid muscle Laterally -> lingual surface of mandible |
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Boundries of submandibular space Boundries of submandibular space |
Anteriorly -> hyoglossus musclePosteriorly -> below mylohyoid muscle and above deep fascia and platysma muscles |
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Boundries of lateral pharyngeal space |
Anteriorly -> pterygomandibular raphe Posteriorly -> alar layer of prevertebral fasia
Medially -> superior pharyngeal constrictor muscle
Laterally -> medial pterygoid muscle |
