1. Tony Serino, Ph.D. Clinical Anatomy
Oral Region
Tony Serino, Ph.D.
Clinical Anatomy

2. Oral Cavity
Zygomaticus
Red Margin
Risorius
Mentalis

3. 1 Temporalis Masseter Lateral Pterygoid Medial Pterygoid Digastrics 34 2
Muscles of Mastication 5

4. Mandible Mylohyoid line Notch Condyle Mandibular foramen
Coronoid process
Ramus
Alveolar process
Angle
Body
Mental foramen

5. Oral Cavity (sagittal)
Mucosa: Stratified Squamous epithelia
Muscularis: Skeletal muscle overlying bone (except for soft palate)
Functions:
Ingestion
Mastication
Hydration of food
Begins chemical digestion
Formation of bolus

6. Oral Cavity (anterior)
(Red Margin)

7. Extrinsic Muscles of the Tongue
Styloglossus
Hyoglossus
Genioglossus

8. Tongue Functions: mixing, speaking, and swallowing
Intrinsic and extrinsic muscles
Foliate papillae
Three layers of skeletal muscle.

9. Taste (Gustatory) Sense

10. Tongue Innervation CN X Vagus CN IX Glossopharyngeal CN XII CN V
Trigeminal
Hypoglossal
CN VII
Facial
Motor
Sensory

11. Taste Bud

12. Major Salivary Glands
Secrete saliva –mixture of water, mucus, electrolytes, antibodies and enzymes. Enzyme is salivary amylase which breaks down starches. IX
VII
VII

13. Primary Dentition (20)

14. Adult (Permanent) Dentition (32)

15. Teeth
Function: mastication (chewing and grinding of food into a paste consistency)

16. Tooth Anatomy
Odontoblasts –secrete dentin Ameloblasts –secrete enamel

17. Pharynx
Function: deglutition Mucosa: Str. Squamous Muscularis: Skeletal