Eye prosthesis / dental courses

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Indian Dental Academy: will be one of the most relevant and exciting

training center with best faculty and flexible training programs

for dental professionals who wish to advance in their dental

practice,Offers certified courses in Dental

implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic

Dentistry, Periodontics and General Dentistry.

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Eye prosthesis / dental courses

  1. 1. Good morning www.indiandentalacademy.com
  2. 2. Eye INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.com www.indiandentalacademy.com
  3. 3. CONTENTS-  Introduction  Embryology of an eye  Anatomy of an eye  Evolution and history of artificial eye  Surgical consideration  Fabrication procedure  Patient instruction  Orbital defect and restoration  Recent advances  Conclusion  References . www.indiandentalacademy.com
  4. 4. JOHN BEUMER DDS,MSwww.indiandentalacademy.com
  5. 5. embryolowww.indiandentalacademy.com
  6. 6. www.indiandentalacademy.com
  7. 7. www.indiandentalacademy.com
  8. 8. www.indiandentalacademy.com
  9. 9. Anatomy www.indiandentalacademy.com
  10. 10. www.indiandentalacademy.com
  11. 11. www.indiandentalacademy.com
  12. 12. www.indiandentalacademy.com
  13. 13. www.indiandentalacademy.com
  14. 14. www.indiandentalacademy.com
  15. 15. Evolution and history Egyptian –bronze And precious stone Romans -silver eye www.indiandentalacademy.com
  16. 16. Unearthed an artificial eye that is believed to be 5,000 years old. It was worn by a female believed to have lived in ancient Arabia; she was aged between 25 and 30 years. This is the earliest prosthetic eye ever found. www.indiandentalacademy.com
  17. 17. Ambrose pare 1510-1590 Ekblephara Hypoblephara www.indiandentalacademy.com
  18. 18. Artificial glass eye www.indiandentalacademy.com
  19. 19. Enamel eye (1820 – 1890) www.indiandentalacademy.com
  20. 20. Terminologies  Anopthalmos micropthalmos www.indiandentalacademy.com
  21. 21. Evisceration www.indiandentalacademy.com
  22. 22. Enucleation www.indiandentalacademy.com
  23. 23. Exenteration www.indiandentalacademy.com
  24. 24. Step by step procedure for ocular prosthesis Examination – * Ensure proper healing * Absence of infection * Movement of tissue bed * Type of surgery done * Size and extent of the socket * Amount of orbital adipose tissue present * Extent of atrophy of muscles www.indiandentalacademy.com
  25. 25. Impression technique www.indiandentalacademy.com
  26. 26. Direct / External impression technique (JPD 1970 :24;2page 225-235) www.indiandentalacademy.com
  27. 27. Modified stock eye ocular prosthesis (Jpd 1985;54:95-98 ) www.indiandentalacademy.com
  28. 28. Wax Scleral Blank Technique J Prosthet Dent 1986;55:482-485 www.indiandentalacademy.com
  29. 29. A quasi-integrated custom ocular prosthesis. (J Prosthet Dent 1974;32:439-442) www.indiandentalacademy.com
  30. 30. Autoclavable custom-made metal impression trays to improve infection control. (J Prosthet Dent 1987;58:121-122) www.indiandentalacademy.com
  31. 31. The fitting and fabrication of a custom resin eye Jpd 1977;38:532-538www.indiandentalacademy.com
  32. 32. The Ocular Impression, (J Prosthodont 2000;9:210-216) www.indiandentalacademy.com
  33. 33. www.indiandentalacademy.com
  34. 34. CAST FABRICATION www.indiandentalacademy.com
  35. 35.  Poured in two section  Impression is boxed with 3 inch masking tape  First half of the cast is poured with a mix of dental stone and slurry  Pour up to and around the widest part of socket impression  At least two key ways are cut www.indiandentalacademy.com
  36. 36.  Separating media  Second half poured  Mold can be separated after stone has set www.indiandentalacademy.com
  37. 37. Fabrication of sclera  Enlarge mold opening  Pour molten wax – cool  Wax pattern is recovered  Anterior surface is contoured into smooth hemi spheroid  Posterior surface reflects the tissue topography www.indiandentalacademy.com
  38. 38.  Try wax pattern in eye-should be comfortable.  Acrylic sclera is recovered and polished.  Tried in eye and verified.www.indiandentalacademy.com
  39. 39.  With sclera in placed and patient standing in a relaxed position  Center of pupil marked in comparison with the natural eye  Circle scribed of diameter of natural eye  Consider the iris in relation to opening of eye lid Iris location www.indiandentalacademy.com
  40. 40. www.indiandentalacademy.com
  41. 41. An instrument to achieve pupil alignment in eye prosthesis JPD 1969;22:487-489 www.indiandentalacademy.com
  42. 42. • JPD 1984;51 :3 A method for orienting the ocular portion of an Orbital prosthesis www.indiandentalacademy.com
  43. 43. www.indiandentalacademy.com
  44. 44. A Simple Method of Positioning the Iris Disk on a Custom-Made Ocular Prosthesis. A Clinical Report Journal of Prosthodontics 17 (2008) 223–227 www.indiandentalacademy.com
  45. 45. www.indiandentalacademy.com
  46. 46. www.indiandentalacademy.com
  47. 47. www.indiandentalacademy.com
  48. 48. Digital imaging in the fabrication of ocular prostheses JPD;2006;95;327-330 www.indiandentalacademy.com
  49. 49. Iris illustrations www.indiandentalacademy.com
  50. 50.  1)Acrylic paints on water proof paper disks  2)Oil paints on acetate disks  a)Mono-poly  b)Oil paint and linseed oil www.indiandentalacademy.com
  51. 51. Veining technique  Red rayon threads applied with 5% solution of monomer and polymer  Follow natural pattern  Use 00 sable brush with pointed tip www.indiandentalacademy.com
  52. 52. Complications 1) Ptosis 2) lower eye lid droop www.indiandentalacademy.com
  53. 53. Entropion Ectropion www.indiandentalacademy.com
  54. 54. 0ther condition include • Blepharosulcus • Symblepharon • Contracted socket www.indiandentalacademy.com
  55. 55. OCULAR IMPLANT • Placed in tissue bed to aid in prosthesis fabrication • Implant moves as muscles move in normal course – results in more realistic prosthesis www.indiandentalacademy.com
  56. 56. Ocular prosthesis: A physiologic system. J Prosthet Dent 1973;29:450-459 www.indiandentalacademy.com
  57. 57. IMPLANT INSERTION • Following enucleation tenon’s capsule is preserved • Implant placed, dissected ocular muscles attached to it • Superior and inferior recti are overlapped at center of implant at 12 o’clock and 6 o’clock positions • Lateral and medial recti are overlapped and sutured at 3 o’clock and 9 o’clock positions www.indiandentalacademy.com
  58. 58. • Complete the closure • Conformer placed to reduce edema and maintain socket size • Stock prosthesis placed • Custom fabricated prosthesis given at later date www.indiandentalacademy.com
  59. 59. Types of Ocular implant Buried Buried, semi-integrated Semi-buried, integrated www.indiandentalacademy.com
  60. 60. www.indiandentalacademy.com
  61. 61. Instruction to the patient www.indiandentalacademy.com
  62. 62.  Adjusting to the prosthesis  Artificial eye does not track with natural eye * Movement of the prosthesis is limited * Learn to turn your head rather than your eyes * Try to avoid looking upward * Try to use spectacles  prosthesis hygiene- *Wash hands before handling the prosthesis www.indiandentalacademy.com
  63. 63. *Clean prosthesis in liquid detergent and don’t use any chemical solution for cleaning. *Wash thoroughly with cold water and if possible keep in saline water before insertion.  Removal and insertion- www.indiandentalacademy.com
  64. 64. Period of wear Recall – 1 year systemwww.indiandentalacademy.com
  65. 65. Orbital prosthesis www.indiandentalacademy.com
  66. 66. • Facial moulage Avoid displacement of tissue, Patient must be seated in upright position, Use irreversible hydrocolloid, Record impression of the defect,  Use pins to support impression,  Fabricate primary cast in ,  Fabrication of tray,  Master cast. www.indiandentalacademy.com
  67. 67. Select a stock ocular prosthesis  Use clay or wax for sculpting Drill hole in posterior orbital wall www.indiandentalacademy.com
  68. 68. www.indiandentalacademy.com
  69. 69. www.indiandentalacademy.com
  70. 70.  Retention  Skin adhesives  Engagement of undercuts  Attachment to eyeglass frame  Extra oral craniofacial implant www.indiandentalacademy.com
  71. 71. www.indiandentalacademy.com
  72. 72. www.indiandentalacademy.com
  73. 73. www.indiandentalacademy.com
  74. 74. Cad cam orbital prosthesis Int jour of prostho 2009;22:293-295 www.indiandentalacademy.com
  75. 75. Blinking eye prosthesis Ref college of engineering university of wisconsin www.indiandentalacademy.com
  76. 76. conclusion www.indiandentalacademy.com
  77. 77. Refrences 1. Maxillo facial prosthetics by Chalian, Drane and Standish 2. Maxillofacial rehabilitation by Beumer, Curtis and Firtell 3. Human anatomy by Chaurasia 4. Human embroyology by Inderbeer singh 5. JPD 1970 :24;225-235 6. JPD1974;32:439-442 7. JPD 1985;54:95-98 8. JPD 1986;55:482-485 www.indiandentalacademy.com
  78. 78. • JPD1987;58:121-122 • JPD1977;38:532-538 • J Prosthodontics 2000;9:210-216 • JPD 1969;22:487-489 • JPD 1973:29:450-459 • JPD 1984;51 :3 • J Prosthodontics 17 (2008) 223–227 • JPD;2006;95;327-330 • JPD1973;29:450-459 • Int jour of prostho 2009;22:293-295 www.indiandentalacademy.com
  79. 79. Thank youwww.indiandentalacademy.com
  80. 80. Thank you For more details please visit www.indiandentalacademy.com www.indiandentalacademy.com

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