1. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Head and Neck Anatomy Chapter 7

2. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Landmarks of the Face and Oral Cavity Face landmarks Labial tubercle Labial commissure Vermilion border Labiomental groove Vermilion zone Nasolabial groove Philtrum © Cengage Learning 2013

3. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Landmarks of the Face and Oral Cavity Oral cavity landmarks –Vestibule –Vestibule fornix –Labial mucosa –Buccal mucosa –Parotid papilla –Stensen’s duct

4. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Landmarks of the Face and Oral Cavity Oral cavity landmarks –Linea alba –Fordyce’s spots –Alveolar mucosa –Gingiva –Labial frenum –Buccal frenum

5. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Landmarks of the Face and Oral Cavity Palate area of oral cavity –Hard palate Incisive papilla Palatine raphe Palatine rugae Torus © Cengage Learning 2013

6. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Landmarks of the Face and Oral Cavity Palate area of oral cavity –Soft palate Uvula Anterior tonsillar pillars Posterior tonsillar pillars Palatine tonsils Fauces

7. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Landmarks of the Face and Oral Cavity Palate area of oral cavity Uvula Incisive papilla Palatine tonsils Fauces Palatine rugae Palatine raphe Anterior tonsillar pillar Posterior tonsillar pillar © Cengage Learning 2013

8. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Landmarks of the Face and Oral Cavity Tongue –Dorsal or top Sulcus terminalis Circumvallate papilla Filiform papillae Fungiform papillae Foliate papilla Median sulcus

9. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Landmarks of the Face and Oral Cavity Tongue –Ventral or underside Lingual frenum Lingual veins Fimbriated folds

10. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Landmarks of the Face and Oral Cavity Floor of mouth –Sublingual caruncles –Sublingual folds –Sublingual sulcus

11. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Landmarks of the Face and Oral Cavity Salivary glands –Parotid –Submandibular –Sublingual © Cengage Learning 2013

12. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Dental Check Why is it important to understand the landmarks of the oral cavity? –Allows the DA to properly take radiographs, place topical anesthetics, recognize healthy tissue, and record information on the medical chart

13. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Bones of the Head Bones of cranium –1 frontal bone –2 parietal bones –2 temporal bones –1 occipital bone –1 sphenoid bone –1 ethmoid bone

14. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Bones of the Head Bones of cranium © Cengage Learning 2013

15. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Bones of the Head Bones of face –2 nasal bones –1 vomer bone –2 inferior nasal conchae –2 lacrimal bones –2 maxillae bones

16. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Bones of the Head Bones of face –2 zygomatic bones –2 palatine bones –1 mandible bone

17. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Bones of the Head Bones of face Frontal bone Sphenoid bone Ethmoid bone Lacrimal bone Inferior nasal concha Vomer bone Mental foramen Parietal bone Symphysis Alveolar process Mandible Alveolar process Maxilla Zygomatic bone Nasal bone © Cengage Learning 2013

18. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Bones of the Head Landmarks of maxilla –Frontal processes –Zygomatic processes –Alveolar process –Palatine process –Infraorbital foramen –Maxillary sinus –Maxillary tuberosity

19. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Bones of the Head Palatine bones –Palatine suture –Incisive foramen –Greater palatine foramen –Lesser palatine foramen © Cengage Learning 20130

20. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Bones of the Head Landmarks of mandible –Rami –Condyloid process –Coronoid process –Temporomandibular joint (TMJ) –Mandibular notch –Mandibular foramen

21. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Bones of the Head Landmarks of mandible –Internal oblique ridge –Mylohyoid ridge –Angle of mandible –Mental foramen –External oblique ridge

22. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Bones of the Head Landmarks of mandible –Retromolar area –Symphysis –Mental protuberance –Lingual foramen –Genial tubercles

23. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Bones of the Head Landmarks of mandible © Cengage Learning 2013

24. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Bones of the Head TMJ –Glenoid fossa of temporal bone –Articular eminence of temporal bone –Condyloid process of mandible

25. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Bones of the Head TMJ © Cengage Learning 2013

26. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Muscles of the Head and Neck Muscles of mastication –Temporal muscles –Masseter muscles –Internal pterygoid muscles –External pterygoid muscles

27. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Muscles of the Head and Neck Muscles of mastication Temporal muscle Angle of the mandible Internal pterygoid muscle External pterygoid muscle Neck of the condyle Masseter muscle Zygomatic bone © Cengage Learning 2013

28. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Muscles of the Head and Neck Muscles of facial expression –Orbicularis oris –Buccinator –Mentalis –Zygomatic major

29. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Muscles of the Head and Neck Muscles of floor of mouth –Digastric –Mylohyoid –Stylohyoid –Geniohyoid

30. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Muscles of the Head and Neck Muscles of floor of mouth Styloid process Tongue Digastric muscle (anterior belly) Mylohyoid muscle (cut) Geniohyoid muscle Mandible Digastric muscle (posterior belly) Stylohyoid muscle Hyoid bone Loop for digastric muscle Body Greater cornu Lesser cornu © Cengage Learning 2013

31. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Muscles of the Head and Neck Muscles of tongue –Genioglossus –Hypoglossus –Styloglossus

32. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Muscles of the Head and Neck Muscles of tongue Hypoglossus muscle Genioglossus muscle Dorsum of tongue Styloglossus muscle Palatoglossus muscle Styloid process Hyoid bone © Cengage Learning 2013

33. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Muscles of the Head and Neck Muscles of soft palate –Palatoglossus –Palatopharyngeal

34. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Muscles of the Head and Neck Muscles of soft palate Palatoglossus muscle Palatopharyngeal muscle Uvula Nasopharynx © Cengage Learning 2013

35. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Muscles of the Head and Neck Muscles of neck –Platysma –Trapezius –Sternocleidomastoid

36. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Dental Check Which muscle is activated when you are kissing someone? –Orbicularis oris

37. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Nerves of the Head and Neck Maxillary nerves –Zygomatic –Infraorbital –Posterior superior alveolar –Pterygopalatine

38. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Nerves of the Head and Neck Maxillary nerves Pterygopalatine nerve Zygomatic nerve Maxillary division of trigeminal nerve Trigeminal ganglion Pterygopalatine ganglion Posterior superior alveolar nerve Middle superior alveolar nerve Infraorbital nerve Zygomaticofacial nerve Anterior superior alveolar nerve Lateral nasal branches Nasopalatine branch of pterygopalatine (sphenopalatine) nerve © Cengage Learning 2013

39. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Nerves of the Neck and Head Mandibular nerves –Buccal branch –Lingual branch –Inferior alveolar branch

40. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Nerves of the Neck and Head Mandibular nerves Hyoid bone Mylohyoid nerve Inferior alveolar nerve Mylohyoid nerve Inferior alveolar nerve Posterior division of mandibular nerve Buccal nerve Lingual nerve Mental nerve at mental foramen Incisive nerves Terminals of lingual nerve to tongue © Cengage Learning 2013

41. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Circulation of the Head and Neck Arteries of face and oral cavity –Common carotid artery External Internal

42. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Circulation of the Head and Neck External carotid artery branches –Lingual artery –Facial artery –Maxillary artery –Mandibular artery –Pterygoid artery

43. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Circulation of the Head and Neck Arteries of face and oral cavity Posterior superior alveolar artery Infraorbital artery Middle superior alveolar artery Anterior superior alveolar artery Descending palatine artery Facial artery Inferior alveolar artery Lingual artery Maxillary artery Internal carotid artery External carotid artery Superficial temporal artery © Cengage Learning 2013

44. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Circulation of the Head and Neck Veins of face and oral cavity –Superficial veins Facial, deep facial, retromandibular, and lingual –Deep veins Maxillary and pterygoid plexus –Jugular veins External and internal

45. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Circulation of the Head and Neck Veins of face and oral cavity Superficial temporal vein Maxillary vein Anterior retromandibular vein Posterior retromandibular vein Posterior auricular vein External jugular vein Pterygoid plexus of veins Deep facial vein Facial vein Common facial vein Internal jugular vein © Cengage Learning 2013