Clinical use of the churro jumper /certified fixed orthodontic courses by Indian dental academy


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Clinical use of the churro jumper /certified fixed orthodontic courses by Indian dental academy

  1. 1. CLINICAL USE OF THE CHURRO JUMPER INDIAN DENTAL ACADEMY Leader in continuing dental education
  2. 2. INTRODUCTION • The churro jumper furnishes orthodontists with an effective and inexpensive alternative force systems for the anteroposterior correction of class II and class III malocclusions. • Although the churro jumper was conceived as an improvement to the MPA it functions more like the jasper jumper.
  3. 3. • In the class II, each jumper attaches to the maxillary molars by the pin that passes first through a circle on the distal end of the jumper and the mesial end of the churro jumper is an open circle that is placed over the mandibular arch wires, against the canine bracket. • Churro jumper exert a distal and intrusive force against the maxillary molars and a forward and intrusive forces against the mandibular incisor as an attempts to straighten.
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  6. 6. Construction of the churro jumper • The churro jumper can be fabricated in a number of ways, as long as a series of 15-20 symmetrical and closely placed circles are formed in a wire. • The wire size can be 0.028” to 0.032”. The coil can be formed freehand with a bird-beak plier,but this is a slow and laborious task that often results in a asymmetrical circles.
  7. 7. •A turret can be made from a wooden handle, a headed nail, and a headless nail that approximates the thickness of an 0.040 or 0.045 wire and acts as an spindle around which the circles can be formed. •Another effective way to make symmetrical coils to hold the 0.040 or 0.045 spindle in a table- top vise wind the wire around it.
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  9. 9. • Since churro jumper requires reciprocal anchorage, an appropriate mandibular arch wire will usually be 0.018”X 0.025”. • Because the churro need space to slide on the mandibular arch wire, at least the first premolar bracket should be omitted. Churro jumper as a class II force
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  12. 12. • The length of the jumper is determined by the distance from the distal of the mandibular canine bracket to the mesial of the headgear tube on the maxillary molar band, plus 10-12 mm. • A pin made of annealed 0.036” wire is used to secure the maxillary circle through the distal of the headgear tube. The maxillary pin is pulled mesially through the headgear tube until the jumper has a slight buccal bow in it,and is then turned down.
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  14. 14. • It is more comfortable and easier for the patient to adapt to a unilaterally applied than a bilaterally applied force. • Bilateral class II churro jumper is most suitable for patients who need mandibular incisor advancement. • Anchorage is enhanced by the churro jumper through its primary force vectors, which push against the mesial of the maxillary molar and the distal of the mandibular canine.
  15. 15. Churro jumper as a class III force • In the class III cases the terminal circles are placed against the mesial of the mandibular molars tube and the distal of the maxillary canine bracket. • The churro jumper can improve the effectiveness of orthodontic therapy in class III patients who refuse to wear class III elastics.
  16. 16. Conclusion • Disadvantages of churro jumper • The restriction of mouth opening to 30- 40mm. • Arch wire breakage is common • Patient with low tolerance for discomfort will often break the appliance. • Patients who incessantly move their mouth while chewing, talking.
  17. 17. • Advantages of churro jumper • It provides a constant, indefatigable force that cannot be removed from the can be used either unilaterally or bilaterally. • It can be used to correct class II class III malocclusion. • The cost of construction for material and labor is less. • It helps maintain anchorage, since it prevents the maxillary molars and mandibular incisors from moving into extraction space.
  18. 18. Thank you For more details please visit