Dr. Ahmed ElNashar 2015
SKELETON OF HEAD & NECK2015
Dr. Ahmed El-Nashar
Practical Anatomy for dental student
Dr. Ahmed ElNashar 2015
Bony featuresTHE Mandible
1) Symphysis menti2) Mental protuberance3) Mental tubercle4) Mental foramen
2 33
4 41
Mental foramen
Coronoid process codyle
Mand. notch
Ext.
obliq
ue ri
dge
codyle
1) Pterygoid fovae2) Mandibular foramen3) Lingula4) Mylohyoid groove5) Mylohyoid line6) Sublingual fossa7) Submandibular fossa8) Genial tubercles9) Digastric fossa
23
45
1
67
899
1) Condyle2) Coronoid process3) Mand. notch4) Pterygoid fovae5) Mandibular foramen6) Lingula7) Mylohyoid groove8) Mylohyoid line9) Ext. oblique ridge10) Mental foramen11) Mental protuberance12) Mental tubercle
56
78
1
2 3
4
910
11
12
Dr. Ahmed ElNashar 2015
Ms. attachmentTHE Mandible
1) MasseterN.S: masseteric N
2) BuccinatorNS: facial N
3) Temporalis N.S: temporal Ns
4) Platysma muscleNS: facial N
5) Lateral pterygoid ms
3
12
2
4
5
1)Temporalis
2)Mylohyoid
3) Medial pterygoid
4)Digastric (ant belly)
5)geniohyoid
6)Spheno-mandibular lig
7)Stylo-mandibular lig
8)Lateral pterygoid
3
18
6
7
22
45
1) lat. Pterygoid (ins.)
2)Temporalis. (ins.)
3)Masseter. (ins.)
4)Medial pterygoid. (ins.)5)Platysma (ins.)6)Buccinator (origin)7)Mylohyoid ms. (origin)
12
3
6
4
5
7
12
1) Genial tubercle Genioglossus & geniohyoid (origin)
2) Digastric fossa ant. belly of digastric fossa.
21
Dr. Ahmed ElNashar 2015
Ligament attachedTHE Mandible
12
1)Lingula (sphenomandibular lig.)
2)Mylohyoid line
(ptergo-mand. raphe)
3) Angle of mand.
( stylo-mand. Lig.)
4) Neck of mand.
( lat. Ptergo-mand lig.)
3
4
Dr. Ahmed ElNashar 2015
Related structuresTHE Mandible
1)Submandibular gland 2)Sublingual gland
21
1)Maxillary A & auriculotemporal N
2)Inferior alveolar N& Vs
3)Mental N& Vs
4)Lingual N
5)Mylohyoid N& Vs
6)Facial A7)Masseteric N
54
2
36
1
Related structures
7
7