These Open Coil Springs gently and efficiently open and maintain space. Available in a convenient cut-to-length design made from durable nickel titanium material.
Open coil springs are active orthodontic, helical wire devices placed over an archwire between brackets to create space, upright teeth, or distalize molars. Made commonly of Nickel-Titanium (NiTi) for consistent, gentle pressure, they are compressed upon insertion, pushing adjacent teeth apart to resolve crowding
Function: Primarily used to open space for crowded or impacted teeth (e.g., canine substitution) and to distalize molars
.
Mechanism: When compressed between two brackets, the coil springs exert a continuous force to regain their original length, pushing the teeth apart.
Material: Usually NiTi (Nickel-Titanium), which offers a low-load, consistent force, or Stainless Steel (SS).
Placement: Inserted over the archwire, they are usually cut to be
longer than the space between brackets to ensure activation.
Advantages: They provide a gentle, steady force, are easy to place, and are effective for treating crowding without extractions.
Maintenance: Often replaced or adjusted during appointments to maintain force levels.
Force Level
Heavy
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longer than the space between brackets to ensure activation.
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