explained with Limited matter moreover I have included all the images. if you go through a standard textbook and referred to this PPT it will help you so much I hope It helps you. ask me for the books details.

2. FACIAL NERVE

3. CONTENTS
• INTRODUCTION
• FUNCTIONAL COMPONENTS
• NUCLEI
• COURSE AND RELATIONS
• BRANCHES AND DISTRIBUTION
• GANGLIA
• CLINICAL ANATOMY
• CLINICAL IMPORTANCE IN CONSERVATIVE DENTISTRY AND ENDODONTICS
• TREATMENT
• CONCLUSION
• REFERENCES

4. INTRODUCTION
• N. facialis
• Seventh cranial nerve
• Second branchial arch
• N. intermedius
• Mixed

5. FUNCTIONAL COMPONENTS
• Special visceral efferent(SVE)- muscles
• General visceral efferent(GVE)- glands
• General visceral afferent(GVA)- glands
• Special visceral afferent(SVA)- tongue
• General somatic afferent(GSA)- ear

6. NUCLEI

7. COURSE AND RELATIONS

8. INTERNAL ACOUSTIC MEATUS

9. FACIAL CANAL

10. COURSE OF FACIAL NERVE

11. EXTRA CRANIAL COURSE

12. EXTRA CRANIAL COURSE

13. BRANCHES AND DISTRIBUTION
1. WITHIN THE FACIAL CANAL
2. AT IT’S EXIT FROM STYLOMASTOID FORAMEN
3. TERMINAL BRANCHES WITHIN PAROTID
GLAND
4. COMMUNICATING BRANCHES WITH
ADJACENT CRANIAL AND SPINAL NERVES

14. 1.WITHIN THE FACIAL CANAL

15. GREATER PETROSAL NERVE

16. NERVE TO THE STAPEDIUS
• Supplies stapedius muscle
• S.muscle damps the excessive vibrations
• hyperacusis

17. THE CHORDA TYMPANI

18. THE CHORDA TYMPANI

19. 2.AT IT’S EXIT FROM
STYLOMASTOID FORAMEN

20. POSTERIOR AURICULAR
• Below stylomastoid foramen
• Between mastoid process and external
acoustic meatus
• Supplies- auricularis posterior
-occipitalis
-back of auricle

21. DIGASTRIC

22. STYLOHYOID

24. TERMINAL BRANCHES WITHIN PAROTID GLAND

25. 4.COMMUNICATING BRANCHES WITH
ADJACENT CRANIAL AND SPINAL
NERVES
• For effective coordination
• communication

26. GANGLIA
1. Geniculate ganglion
2. Submandibular ganglion
3. Pterygopalatine ganglion

27. GANGLIA

28. CLINICAL ANATOMY
• BELL’S PALSY
• FACIAL NERVE PALSY IN NEWBORN
• CROCODILE TEAR SYNDROME
• RAMSAY HUNT SYNDROME

29. CLINICAL ANATOMY

30. FACIAL NERVE PALSY IN NEWBORN

31. CROCODILE TEAR SYNDROME

32. RAMSAY HUNT SYNDROME

33. CLINICAL IMPORTANCE OF FACIAL NERVE IN
CONSERVATIVE DENTISTRY AND ENDODONTICS
• Local anaesthesia
• Complications
• Neurological complications
• Early recognition

34. NEUROLOGICAL COMPLICATIONS
-Direct result of the procedure itself
IANB
PSANB
-Toxicity of the agents

35. INFERIOR ALVEOLAR NERVE BLOCK

36. FACIAL NERVE PALSY
SIGNS:

37. FACIAL NERVE PALSY
• IMMEDIATE
• DELAYED

38. IMMEDIATE
• Transient
• 3 hours
• Abnormal nerve anatomy
• Congenital abnormality
• Capsule of parotid gland

39. DELAYED PALSY
1. ANAESTHETIC SOLUTION/BREAKDOWN
PRODUCTS
2. MECHANICAL ACTION OF NEEDLE
3. REACTIVATION OF LATENT VIRAL INFECTIONS

40. POSTERIOR SUPERIOR ALVEOLAR
NERVE BLOCK

41. PERIPHERAL FACIAL NERVE PALSY

42. TREATMENT
• MEDICAL
• SURGICAL

43. MEDICAL
• Tab. Prednisolone- 1mg/kg/day, 10-14 days
• Physiotherapy
• Acyclovir: adults-2000mg/day(400*5), 7days
children-80mg/kg/day, 5days
• Val acyclovir

44. SURGICAL
• Facial nerve decompression
• Nerve repair and grafting
• Re- innervation techniques
• Static techniques

45. CONCLUSION
• Knowledge and proper understanding
• Dentist’s concern
• Correlating clinico-anatomical aspect

46. REFERENCES
• B D CHAURASIA’S HUMAN ANATOMY 5TH EDITION
• NEUROLOGICAL COMPLICATIONS OF LOCAL ANAESTHETICS IN
DENTISTRY BY ST-JOHN CREAN AND ALISON POWIS, DENT
UPDATE 1999; 26: 344-349
• GRAY’S ANATOMY 38TH EDITION
• HAND BOOK OF LOCAL ANAESTHESIA BY STANLEY F
MALAMED
• DAVIDSON’S PRINCIPLES AND PRACTICE OF MEDICINE 20TH
EDITION

47. THANK YOU