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Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
Removable appliances /certified fixed orthodontic courses by Indian dental academy
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Removable appliances /certified fixed orthodontic courses by Indian dental academy

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The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.

Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078

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  • 1. INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.com www.indiandentalacademy.com
  • 2. REM AB OV LE APPLI AN CES www.indiandentalacademy.com
  • 3. DEFI NI TI O N www.indiandentalacademy.com
  • 4. REM OVABLE APPLI ANCE • REMOVABLE APPLIANCE ARE ORTHODONTIC DEVICES WHICH CAN BE TAKEN OUT BY THE PATIENT FOR CLEANING AND WHICH ARE DESIGNED TO APPLY FORCES TO THE TEETH BY MEANS OF SPRINGS SCREWS AND OTHER MECHANICAL COMPONENTS. www.indiandentalacademy.com
  • 5. H STORY I www.indiandentalacademy.com
  • 6. VI CTOR H UGO JACKSON • Early 20th century • United States • Appliances of vulcanite base with a precious metal or nickel-silver wire. www.indiandentalacademy.com
  • 7. GEORGE CROZAT • Early 1900’s completely of • Appliance precious metal. • Had a clasp on molars and finger springs on anteriors made up of light wire, on a framework of heavy gold wire. www.indiandentalacademy.com
  • 8. countries • European removable appliances. States fixed • United appliances. www.indiandentalacademy.com
  • 9. Reas ons f or i nc r eas ed us e of r em abl e ov appl i anc es i n Eur ope • Angles View. • Social welfare system rapidly developed. • Scarcity of precious metals. www.indiandentalacademy.com
  • 10. ADV ANTAGES www.indiandentalacademy.com
  • 11. 1. Tipping, overbite correction more readily undertaken. 2. Less complex control as less teeth moved at a time and simple movements done. 3. Can eliminate occlusal interferences. 4. Can be done be a general practitioner. www.indiandentalacademy.com
  • 12. 6. 7. 8. 9. Less chairside time. Less expensive. Cleaned by the patient. If causing trouble to the patient can be removed. 10. Aesthetically better. www.indiandentalacademy.com
  • 13. LI M TI ATI ONS I www.indiandentalacademy.com
  • 14.  Patient cooperation necessary.  Only tipping is possible.  Rotations of only one or two teeth is possible if more then fixed appliances.  Only few teeth can be moved at a time so prolongs the treatment. www.indiandentalacademy.com
  • 15. Can not be done in extraction cases as no bodily movement. Encroaches the tongue space and hence a problem in retention. www.indiandentalacademy.com
  • 16. I NDI CATI ONS www.indiandentalacademy.com
  • 17. Growth modifications during mixed dentition. Limited tipping, rotation required. Arch expansion. Retention after fixed treatment. www.indiandentalacademy.com
  • 18. CLASSI FI CAT I ON www.indiandentalacademy.com
  • 19. REMOVABLE APPLIANCES FUNCTIONAL APPLIANCES ACTIVE PLATE www.indiandentalacademy.com
  • 20. COM PONENTS www.indiandentalacademy.com
  • 21. Retentive/ Active Anchorage CLASPS Bows Base Plate Springs Screws Elastics Bows www.indiandentalacademy.com
  • 22. CLAS PS www.indiandentalacademy.com
  • 23. • The name clasp is derived from a French word “UYPTAN” which means to embrace. Clasps are the retentive components of the orthodontic appliances. www.indiandentalacademy.com
  • 24. • RETENTION :- is the means whereby the displacement of an appliance is resisted. www.indiandentalacademy.com
  • 25. I DEAL REQUI REM ENTS  Unobtrusive.  Not impinge.  Close contact to the tooth.  Usable in both deciduous and permanent dentition.  Adequate retention. www.indiandentalacademy.com
  • 26.  No active force on the anchor tooth.  Rigid  Easy to fabricate and also replace if needed.  Not interfere in the growth of jaws and eruption of teeth. www.indiandentalacademy.com
  • 27. CLASSI FI CATI ON A. Hand Made Machine Made. B. Single tag arm Double tag arm www.indiandentalacademy.com
  • 28. M ODE OF ACTI ON engage onto the • Clasp undercuts (constricted areas on the teeth.) • Two types of undercuts. / – Buccal undercuts. / – Mesial undercuts. Lingual Cervical Distal Proximal www.indiandentalacademy.com
  • 29. CI RCUM FERENTI AL CLASP www.indiandentalacademy.com
  • 30. • Circumferential clasp / CClasp / 3/4th Clasp. • To use the bucco-cervical undercut. • 2nd molar and canines. • Single retention arm. • 1mm wire used in molars. www.indiandentalacademy.com
  • 31. www.indiandentalacademy.com
  • 32. Adv ant ages • • • • Good retention. Easy to fabricate. Single occlusal crossover wire. Easy to replace. www.indiandentalacademy.com
  • 33. Di s adv ant ages • Not on semi-erupted tooth. • Decalcification of cervical margin. • Gingival irritation. • Plaque accumulation enhanced. • Easily distort. www.indiandentalacademy.com
  • 34. JACKSONS CLASP www.indiandentalacademy.com
  • 35. • V.H. Jackson 1906 • Jacksons Clasp / Full Clasp / U Clasp. bucco-cervical and • Both proximal undercuts. • 0.7mm to 1mm. www.indiandentalacademy.com
  • 36. www.indiandentalacademy.com
  • 37. Adv ant ages • Simple design • Adequate retention. www.indiandentalacademy.com
  • 38. Di s adv ant age • Not useful in partially erupted teeth. • Difficult to adjust. • Not on unfavorably inclined tooth. www.indiandentalacademy.com
  • 39. SOUTH END CLASP www.indiandentalacademy.com
  • 40. • Most common for anterior anchorage. • Single arrowhead between CI with wire following the gingival margin. www.indiandentalacademy.com
  • 41. www.indiandentalacademy.com
  • 42. Adv ant ages • Unobtrusive. • Good retention. • Even be used if Incisors are proclined. www.indiandentalacademy.com
  • 43. TRI ANGULAR CLASP www.indiandentalacademy.com
  • 44. called as MODIFIED • Also ZIMMER CLASP. • Excellent retention by the single arrowhead in the interproximal area. • Open end towards the occlusal. • Can engage elastics. • 0.7mm wire www.indiandentalacademy.com
  • 45. www.indiandentalacademy.com
  • 46. Adv ant ages • • • • Easy to fabricate. Excellent retention. Pre fabricated available. Elastics can be engaged. www.indiandentalacademy.com
  • 47. Di s adv ant ages • Not usefull if adjacent tooth is absent. as secondary / • Used additional retention. www.indiandentalacademy.com
  • 48. BALL END CLASP www.indiandentalacademy.com
  • 49. • Action and location similar to triangular clasp. • Prefabricated available. Can be made by adding solder to end of a wire. www.indiandentalacademy.com
  • 50. www.indiandentalacademy.com
  • 51. Adv ant ages • • • • Easy to fabricate. Single occlusal interference. Less gingival irritation. Easy to replace. www.indiandentalacademy.com
  • 52. Di s adv ant ages • Short arm makes adjustment difficult. • Can not be used for primary retention. • Cannot be used in absence of adjacent tooth. www.indiandentalacademy.com
  • 53. SCH ARZ W CLASP www.indiandentalacademy.com
  • 54. • Also called as ARROWHEAD CLASP. • A.M. Shwarz 1935. • Mesial and distal undercuts of the teeth. www.indiandentalacademy.com
  • 55. www.indiandentalacademy.com
  • 56. Adv ant ages • Reliable retention. not interfere in • Does posterior occlusion. wire hence more • More flexible. • More easy to adjust. • Enhances eruption. www.indiandentalacademy.com
  • 57. Di s adv ant ages • • • • • Difficult to fabricate. Needs special plier. Irritates soft tissue. Tends to separate teeth. Is bulky hence less patient compliance. www.indiandentalacademy.com
  • 58. CROZAT CLASP www.indiandentalacademy.com
  • 59. • Crozat in 1920 • Along with the u clasp a stright wire is soldered on the base (Cresent). • Strong retention is possible www.indiandentalacademy.com
  • 60. www.indiandentalacademy.com
  • 61. ADAM S CLASP www.indiandentalacademy.com
  • 62. • Adams clasp / modified arrowhead clasp / liverpool clasp / universal clasp. • C. PHILIPS ADAMS in May 1950. • Most widely used clasp. • Distobuccal and mesiobuccal undercuts. • Does not separate teeth like a arrowhead clasp. • 0.7mm posteriors 0.6mm anteriors. www.indiandentalacademy.com
  • 63. FABRICATION www.indiandentalacademy.com
  • 64. par t s oBRIDGE o2 ARROWHEADS o2 TAG ARMS www.indiandentalacademy.com
  • 65. BRI DGE • Is 2/3rd the mesio dital width of the tooth, or slightly less then the distance between mesiobuccal and distobuccal undercuts, or length should be equal to the intercuspal distance. • Is 1-2mm away from the buccal surface of the tooth. • Is at 45o to the buccal surface of the tooth. • Should be straight. www.indiandentalacademy.com
  • 66. Ar r owheads • They should lie in the disto- and mesio buccal undercuts. • Shaped according to the curve of the gum margins into the interdental papilla. • Long enough to keep the bride at a proper distance. • Should not touch the adjacent teeth www.indiandentalacademy.com
  • 67. Tag ar m s • Closely fitted to the contact points, down to the interdental embrasure. • Space between the tag arms and palate for flow of acrylic. • No sharp bends. www.indiandentalacademy.com
  • 68. www.indiandentalacademy.com
  • 69. Adv ant ages • Small neat and unobtrusive. • Any tooth. • Both deciduous and permanent dentition. • Even on semi erupted tooth. • No specialized pliers required. • Can be modified as needed. • No. of variations are available. www.indiandentalacademy.com
  • 70. di s adv ant ages • Unwanted palatal tipping if gets activated. • May lead to elongation of tooth if is fitting tightly. • Can be repaired only if fractured through the arrowheads. • Cannot be given on proclined anteriors. www.indiandentalacademy.com
  • 71. MODIFICATIONS www.indiandentalacademy.com
  • 72. Ant er i or adam s • 0.6mm • Also called double clasp. www.indiandentalacademy.com
  • 73. W t h di s t al ext ens i on/ i t r ac t i on hook • To engage elastics • Not given if sulcus is shallow. www.indiandentalacademy.com
  • 74. W t h eyel et i www.indiandentalacademy.com
  • 75. W t h a s ol der ed hook i www.indiandentalacademy.com
  • 76. W t h a s ol der ed t ube i www.indiandentalacademy.com
  • 77. W t h a s i ngl e ar r owhead i www.indiandentalacademy.com
  • 78. W t h ac c es s or y ar r owhead i www.indiandentalacademy.com
  • 79. Sm t c l as p ar www.indiandentalacademy.com
  • 80. Del t a c l as p www.indiandentalacademy.com
  • 81. Thank you www.indiandentalacademy.com

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