regio facei lateralis profundus
DESCRIPTION
mata ajar kuliah ppdgs periodonsia semester satu 2010 unairTRANSCRIPT
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REGIO FACEI LATERALIS PROFUNDUS
An’nisaa Chusida
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Fossa Infratemporalis
Batas-batas :
• Ventral : tuber maxilla
• Cranial : facies infratemporalis ala
magna ossis sphenoidalis
• Medial : lamina lateralis proc. Pteryg.
• Lateral : ramus mandibula
proc. condyloideus
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Isi Fossa Infratemporalis
• Tendo musc. temporalis
• M. pterygoideus lateralis dan medialis
• Cabang-cabang nervus mandibularis
• Chorda tympani
• Plexus venosus pterygoideus
• Arteri maxillaris interna
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OTOT MASTIKATOR
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Cabang-cabang nervus V3 di dalam fossa infratemporalis
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• Nervus buccalis
• Nervus lingualis
• Nervus alveolaris inferior
• Nervus mylohyoid
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Plexus venosus pterygoideus
Berhubungan dengan :
• Vena facialis melalui vena facialis profundus
• Sinus cavernosus melalui venae emissariae
• Vena angularis melalui vena opthalmica inferior
• Vena retromandibularis
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Chorda tympani
• Merupakan cabang dari nervus facialis• Keluar dari pars petrosa ossis temporalis
menuju fossa infratemporalis• Mengandung serat yang berhub dg taste
bud 2/3 anterior lidah• Serat-serat sekretomotorik untuk glandula
submandibula dan sublingualis• Medial dari musc. pteryg. lat. berjalan
bersama nervus lingualis
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Arteri maxillaris interna
• Merupakan cabang terbesar arteri carotis externa
• Keluar dari glandula parotis ~ dorsal collum mandibulae
• Menurut perjalanannya dibagi menjadi :
Pars mandibularis
Pars pterygoidea
Pars pterygopalatina
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Cabang-cabang :
Pars mandibularis
• Arteri alveolaris inferior, cabang :
- arteri mylohyoid
- ramus dentalis
- arteri mentalis
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Pars pterygoidea
• Arteri temporalis profundus anterior dan posterior
• Arteri masseterica
• Ramus pterygoideus
• Arteri buccalis
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Pars pterygopalatina• Arteri alveolaris superior posterior ~ ramus
dentalis untuk gigi M dan P• Arteri infraorbitalis memberi cabang arteri
alveolaris superior anterior dan medius untuk gigi I dan C
• Arteri palatina descendens ~ menuju canalis palatinus majus ~ untuk palatum durum dan mukosanya
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FOSSA PTERYGOPALATINA
Batas-batas• Medial : facies lateralis pars perpendicularis ossis palatini• Cranial : corpus sphenoidalis• Dorsal : - facies ventralis proc pteryg, sulcus pterygopalatina - ala magna ossis sphenoid• Ventral : facies posterior corpus maxillae
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