cavum oris
TRANSCRIPT
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dr. nurlis mahmud, m.m
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Cavum Oris
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Bibir1. Labium Oris Superius (Maxillare)2. Labium Oris Inferius (Mandibulae)
Tempat pertemuan kedua labius: Commisura Labiorum Sinistrum Commisura Labiorum Dextrum
Rima Oris Angulus Oris Sulcus Mentolabialis Philtrum Sulcus Nasolabialis Tuberculum Labiale
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Bibir… Bibir 3 bagian:
1. Pars Marginalis2. Pars Intermedia3. Pars Mucosa
Antara P. intermedia & P. Mucosa:A. Labialis Superior & Inferior
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Cavum Oris1. Vestibulum Oris2. Cavum Oris Proprium
Batas antara keduanya:1. Arcus Dentalis Maxillaris dg Proc. Alveolaris
Maxillaris2. Arcus Dentalis Mandibularis dg Proc.
Alveolaris Mandibularis3. Plica Pterygo Mandibulare
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1. Vestibulum Oris Ke arah luar dibatasi: Labium & Bucca Bucca terdiri dari lapis-lapis:
1. Mucosa2. M. Buccinatorius3. Bagian Ventral M. Masseter4. Corpu Adiposum BICHAT
Setinggi M2 atas M. Buccinatorius ditembus ductus Parotidicus STENONIANUS.
Denyutan A. Fascialis (A. Maxillaris Eksterna) dapat diraba 5 cm Lateral Angulus Oris
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Gigi – GeligiCoronaCollumRadix
Fascies DentisFascies LingualisFascies BuccalisFascies Mesialis ke garis tengahFascies Dentalis menjauhi garis tengahFascies Masticatoria yg mengunyah
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Gigi – Geligi…Terletak dl Alveolus DentisMelekat dg perantaraan Lig. Circulare DentisAkar gigi 1 – 3 buahSusunan Gigi :
Incisivus : 2Caninus : 1Premolar : 2Molar : 3
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Gigi – Geligi…
3 2 1 2 2 1 2 3
3 2 1 2 2 1 2 3
M P C I I C M P
M P C I I C M P
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Gigi – Geligi…Dentitio Decidua (susu)
Lebih kecilLebih putihMulai tumbuh umur 8 blnLengkap: umur 2 thnGigi M yg keluar lebih dahulu
yg paling akhir : M3
OcclusioMerapatnya gigi Maxiller pd deretan Mandibulae1 elemen Maxiller berhadapan dg 2 elemen Mandibuler,
kecuali 1 & 8
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2. Cavum Oris PropriumVentral & Lateral : Arcus Dentalis & Proc.
AlveolarisDorsal : Isthmus FaciumCranial : Palatum Durum & MolleCaudal : Dasar Rongga Mulut
Dinding Cranial: Palatum Durum
1. Mucosa2. Jar. Ikat Padat3. Kelenjar2 Liur4. Aa. Palatina Major & Minor
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2. Cavum Oris Proprium…4. Aa. Palatina Major & Minor
Keluar dari for. Palatinum majus & minus tepat medial M3
Juga terdapat- N, Palatinus Ventralis
- N. Palatinus Medius- N. Palatinus Dorsalis
Bagian ventral Palatum terdapat N. Nasopalatinus (Scarpae) & Canalis Incisivus
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2. Cavum Oris Proprium… Palatum Molle
Selaput Lendir & Otot – ototMusculi Veli Palatini
1. M. Tensor Veli Palatini NV3
2. M. Levator Veli palatiniNX3. M. Pharingo Palatinus NX4. M. Glosso Palatinus NX5. M. Ovulae NX
Fungsi:Menggerakkan Palatum Molle naik turun, mengatur pintu penghubung cavum Oris dg laringofaring, Oropharing dg Nasopharynk
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LinguaTerdiri dari 2 golongan otot Otot – otot
ekstrinsik Otot – otot intrinsik
1. Otot –otot Ekstrinsik1. M. Hyoglossus
Corpus Lingua turun ke dorsal
2. M. Genioglossus Apex Lingua ditarik ke caudal, ke dasar cavum Oris
3. M. Styloglossus Lidah ditarik ke cranial & dorsal
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Lingua…1. Otot –otot Intrinsik
1. M. Longitudinalis Lingua Superficialis Dari Apex ke Radix, di bawah permukaan lidah
2. M. Longitudinalis Lingua Profundus Dari Apex ke Cornu minus os Hyoid Antara M. Hyoglossus dg M. Genioglossus
3. M. Transversus Lingua Antara tepi lateral lidah dg septum lingua
4. M. Verticalis Lingua Antara permukaan caudal & cranial lidah
Fungsi: merubah bentuk Corpus lidah
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Lingua…M. Transversus Kontraksi M. Longitudinalis
relaksasiM. Verticalis Lidah: kurus & panjang
M. Longitudinalis Kontraksi M. Verticalis relaksasiM. Transversus Lidah: pandek & tebal
M. Longitudinalis Kontraksi M. Transversus relaksasiM. Verticalis Lidah: pendek, pipih, &
lebar
Parese Hypoglossus
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Lingua…Lidah: Corpus
Apex 2/3 ventral lidahRadix
Sulcus Terminalis (bentuk huruf V)Batas Corpus, Apex dg RadixPd ujungnya: For. Caecum = Ductus
LingualisPd ventrocaudal apex lidah: Gld. Apicis lingua (BLANDIN - NUHN)
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Lingua…Pada dorsum lidah terdapat:1. Papila Filiformis
Peka terhadap rabaan2. Papila Fungiformis
Hanya pd apex Peka terhadap pengecap, kelenjar pengecap -
(Gustatorik)3. Papila Valata
Untuk pengecap Kel. Gustatorik + menghancurkan bau-bauan
4. Papila Voliata Tepi postor lidah Peka u/ pengecap, kel. Gustatorik +
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Lingua…Vaskularisasi1. Arteri: A. Lingualis : cab. A. Carotis externa
Cab. : Aa. Profunda Lingua ApexRr. Dorsalis Lingua Dorsum
LinguaAa. Sublingalis Gld.
Sublingualis
2. Vena : V. Dorsalis Lingua V. Profunda Lingua
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Lingua…Inervasi1. Sensoris:
N. Lingualis : 2/3 ventral
N. Glossopharyngeus (N. IX) 1/3 dorsal N. X
2. Pengecap: N. VII melalui Chorda Tympani 2/3 ventral
N. IX 1/3 dorsal
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Lingua…Dasar mulut 3 otot1. M. Digastricus (Venter Antor)2. M. Genio Hyoideus3. M. Mylo Hyoideus
Cranial dasar mulut tdp: Gld. Sublingualis Bagian akhir gld. Submandibularis
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Glandula Sublingualis
a) Gld. Sublingualis minor Muara : pada Plica Sublingualis melalui
ductus Sublingualis minoris Rivini
b) Gld. Sublingualis major Muara : Caruncula Sublingualis melalui
ductus Sublingualis majoris Bartholini
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Glandula Sublingualis…Bangunan di sekitar Gld. Sublingualis:
Caudo lateral : N. LingualisMedial : Ductus WhartoniLebih Medial lagi : N. XIIMedio Caudal : A. SublingualisLateral : N. Sublingualis
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Glandula Sublingualis…VaskularisasiA. Lingualis
InervasiSensibel : N. LingualisSekretori : N. VIISymphatis: Ganglion Cervicalis Supor
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Glandula SubmandibularisTerletak dl trigonum SubmandibularePerm. Latero Caudal : V. Facialis Antor
Rr. Marginalis N VIIPerm. Dorsal
Tdp. Lig. Stylomandibulare batas dg Gld. Parotis
Perm. Cranio Medial : A. FacialisDalam rongga mulut
Ductus WHARTONI Karunkula Sublingualis
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Glandula Submandibularis …VaskularisasiCabang – cabang A. Facialis & A. Lingualis
InervasiSensibel : N. LingualisSekretoris : N. VII & N. LingualisSymphatis: Ganglion Cervicalis Supor
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Glandula ParotisLetak: Depan telinga & otot Masseter
Dari tepi ventro cranial : ductus Parotideus Stenonianus menembus Fascia Parotideo Masseterica (ventral M. Masseter) Bichat ke medial, menembus M. Bucinatorius papilla Salivaria Buccinatoria (dl Vestibulum) setinggi M2 atasBerjalan bersama ductus A.V. Transversa Fasei
Tepi ventral, keluar: N. VII
Ujung cranial, keluar: A.V. Temporalis SuperficialisRr. Temporalis N. VIIN. Auriculo Temporalis
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Glandula Parotis …Bangunan lain dl kelenjarMedial : A. Carotis Interna : A. Temporalis
Superficialis
A. Maxillaris
V. Fascialis Postor
Cranial : N. Auriculo Temporalis
Caudal : N. Auricularis Magnus
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Glandula Parotis …VaskularisasiPembuluh yg sedang melaluinya
Inervasi Sensoris : N. Auriculo Temporalis (N. V3)Sekretoris : N. IXSymphatis: Ganglion Cervicalis Supor
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Sekian untuk Cavum OrisSemoga bermanfaat …