Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.
Learning to Bend wire Purpose: To give you the skills and confidence to make and use  the Farrell Bent Wire System
1) Unbend a paper clip...by hand
Unbend clip by plier <ul><li>Walk the plier around the curve to get a straight line </li></ul>
Extra-credit.... re-bend the clip re-bend the clip <ul><li>( If you can do this, you’ll have all the plier skills you’ll n...
Small Bends <ul><li>Bend around the Round Beak </li></ul><ul><li>90 o  bend </li></ul>Round Beak Square Beak
Small Bends <ul><li>Keep the second bend “on plane”  </li></ul><ul><ul><ul><ul><ul><li>(flat on the paper) </li></ul></ul>...
Small Bends <ul><li>Do three more 90 o  bends, all on plane </li></ul>
Medium Bends <ul><li>Use the second step of the loop forming plier, or the middle of the bird beak plier </li></ul><ul><li...
Large Bends <ul><li>Use the  thickest  part of the loop forming plier or the bottom of the bird beak </li></ul><ul><li>Alt...
Bend an Arch Form <ul><li>Hollow Chop </li></ul><ul><li>“Spin” it </li></ul>
BWS loop <ul><li>How many bends does this loop have? </li></ul><ul><li>What size are the bends? </li></ul>Answer: Four Sma...
BWS Loop <ul><li>Make a small bend to 90 degrees  </li></ul><ul><li>Make a Large bend 180 degrees. Keep the wire flat.  </...
Supply Tray Model  (with Bands) Pencil, Marker Bird Beak Heavy Wire Cutter .028 SS wire
Using a Template <ul><li>Creating a flat paper template </li></ul><ul><li>Good for learning </li></ul><ul><li>Easier to us...
Visualize the contact points
Mark points of contact
Mark loop locations
Put marked model on the photocopier
Cover with cloth or paper towel
Photocopy
Connect the lines
Keep the model nearby for reference
Start in the midline
Follow the lines...
...keeping the wire flat.
 
A little overbent, so...
...so correct it.
Follow along the line
Perfect all around
Take it to the model
Bending an  “Ideal” BWS “Ideal” BWS <ul><li>Not adapted to the rotations </li></ul><ul><li>Has an “ideal” (smooth) arch fo...
Mark  points  of contact
Mark loop locations
Visualize the contact points
“ Spin” the wire and adjust to the the contact points
From the side
Done
Bending an “Adapted” BWS “Adapted” BWS <ul><li>Follows the contours of the rotated teeth </li></ul><ul><li>Contacts  surfa...
Mark the model  where you want contact where you want contact
Start bending from the midline, work right, then left
 
Make sure it lies passively
Go to the other side
Bending the Loop
Locate point for Loops
Mark the wire
Pick up next to the mark...
...round beak toward bend
Set the angle of the loop  Plane of the BWS (occlusion) Plane of the bend: always perp to plier Upper = 25 o Lower = 10 o
Bend around the round beak
The first bend: small 90
Ready for the second bend
2nd Bend: large 180
The Second Bend
Next: Small 90
Third bend
Next: Small 180
The Fourth Bend
the Fourth Bend
Adjust loop and distal leg
Adjusting the Legs: Horizontal plane
 
Adjust Angle of Loop Gingival Impingement
Adjust angle of loop
Adjust the Legs: Vertical plane
Loop’s too high
Now tipped down
Good
Cut off extra
One last case...
Adapted BWS
Make your marks
From above...
... the photocopy
Start your bends and adjust
...work around...
...set aside for try-in.
Upcoming SlideShare
Loading in …5
×

Bending BWS primer

1,413 views

Published on

A primer in wire bending skills and instructions to create a Farrell Bent Wire System lightwire expander. Designed for practitioners with little or no bending experience.

Published in: Health & Medicine
  • Be the first to comment

Bending BWS primer

  1. 1. Learning to Bend wire Purpose: To give you the skills and confidence to make and use the Farrell Bent Wire System
  2. 2. 1) Unbend a paper clip...by hand
  3. 3. Unbend clip by plier <ul><li>Walk the plier around the curve to get a straight line </li></ul>
  4. 4. Extra-credit.... re-bend the clip re-bend the clip <ul><li>( If you can do this, you’ll have all the plier skills you’ll need...) </li></ul>
  5. 5. Small Bends <ul><li>Bend around the Round Beak </li></ul><ul><li>90 o bend </li></ul>Round Beak Square Beak
  6. 6. Small Bends <ul><li>Keep the second bend “on plane” </li></ul><ul><ul><ul><ul><ul><li>(flat on the paper) </li></ul></ul></ul></ul></ul>
  7. 7. Small Bends <ul><li>Do three more 90 o bends, all on plane </li></ul>
  8. 8. Medium Bends <ul><li>Use the second step of the loop forming plier, or the middle of the bird beak plier </li></ul><ul><li>180 o bend, this time </li></ul>
  9. 9. Large Bends <ul><li>Use the thickest part of the loop forming plier or the bottom of the bird beak </li></ul><ul><li>Alternate: Small 90 o , Large 180 o </li></ul>
  10. 10. Bend an Arch Form <ul><li>Hollow Chop </li></ul><ul><li>“Spin” it </li></ul>
  11. 11. BWS loop <ul><li>How many bends does this loop have? </li></ul><ul><li>What size are the bends? </li></ul>Answer: Four Small(90) Small(90) Medium(180) Large (180)
  12. 12. BWS Loop <ul><li>Make a small bend to 90 degrees </li></ul><ul><li>Make a Large bend 180 degrees. Keep the wire flat. </li></ul><ul><li>Make a small bend 90 degrees. Still flat. </li></ul><ul><li>Make a Medium bend 180 degrees. </li></ul><ul><li>Voila! Your first BWS loop. </li></ul>
  13. 13. Supply Tray Model (with Bands) Pencil, Marker Bird Beak Heavy Wire Cutter .028 SS wire
  14. 14. Using a Template <ul><li>Creating a flat paper template </li></ul><ul><li>Good for learning </li></ul><ul><li>Easier to use than the model </li></ul>
  15. 15. Visualize the contact points
  16. 16. Mark points of contact
  17. 17. Mark loop locations
  18. 18. Put marked model on the photocopier
  19. 19. Cover with cloth or paper towel
  20. 20. Photocopy
  21. 21. Connect the lines
  22. 22. Keep the model nearby for reference
  23. 23. Start in the midline
  24. 24. Follow the lines...
  25. 25. ...keeping the wire flat.
  26. 27. A little overbent, so...
  27. 28. ...so correct it.
  28. 29. Follow along the line
  29. 30. Perfect all around
  30. 31. Take it to the model
  31. 32. Bending an “Ideal” BWS “Ideal” BWS <ul><li>Not adapted to the rotations </li></ul><ul><li>Has an “ideal” (smooth) arch form </li></ul>
  32. 33. Mark points of contact
  33. 34. Mark loop locations
  34. 35. Visualize the contact points
  35. 36. “ Spin” the wire and adjust to the the contact points
  36. 37. From the side
  37. 38. Done
  38. 39. Bending an “Adapted” BWS “Adapted” BWS <ul><li>Follows the contours of the rotated teeth </li></ul><ul><li>Contacts surfaces </li></ul>
  39. 40. Mark the model where you want contact where you want contact
  40. 41. Start bending from the midline, work right, then left
  41. 43. Make sure it lies passively
  42. 44. Go to the other side
  43. 45. Bending the Loop
  44. 46. Locate point for Loops
  45. 47. Mark the wire
  46. 48. Pick up next to the mark...
  47. 49. ...round beak toward bend
  48. 50. Set the angle of the loop Plane of the BWS (occlusion) Plane of the bend: always perp to plier Upper = 25 o Lower = 10 o
  49. 51. Bend around the round beak
  50. 52. The first bend: small 90
  51. 53. Ready for the second bend
  52. 54. 2nd Bend: large 180
  53. 55. The Second Bend
  54. 56. Next: Small 90
  55. 57. Third bend
  56. 58. Next: Small 180
  57. 59. The Fourth Bend
  58. 60. the Fourth Bend
  59. 61. Adjust loop and distal leg
  60. 62. Adjusting the Legs: Horizontal plane
  61. 64. Adjust Angle of Loop Gingival Impingement
  62. 65. Adjust angle of loop
  63. 66. Adjust the Legs: Vertical plane
  64. 67. Loop’s too high
  65. 68. Now tipped down
  66. 69. Good
  67. 70. Cut off extra
  68. 71. One last case...
  69. 72. Adapted BWS
  70. 73. Make your marks
  71. 74. From above...
  72. 75. ... the photocopy
  73. 76. Start your bends and adjust
  74. 77. ...work around...
  75. 78. ...set aside for try-in.

×