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GAC Stop Wound Open Coil Spring
Sentalloy Stop Wound Open Coil Springs are packaged individually or in three 7” lengths to a tube. Each length is quadruple wound every 4mm. After determining the length of coil needed, simply cut the wire at the center of the tight spiral as indicated below: The quadruple wind can be cut by having one person stretch the wind while another person makes the cut; or by using a separating plier to stretch the wind and a hard wire cutter to make the cut. Sentalloy Stop Wound Open Coils with a standard lumen of .035” are available in forces of 50, 100, 150 and 200 grams. (.045” compatible coils are available in 150 grams of force only.)
http://www.eksenmedikal.com.tr/stop-wound-open-coil-spring
GAC Open Coil Spring
Open, or compression, coils are 15mm in length when passive and may be compressed to 3mm. Between these points, the coil will exert 50 (extra light), 100 (light), 150 (medium), 200 (heavy), or 250 (extra heavy) , and 300 (XX Heavy) grams of force until 14mm, and then the force falls to 0 as it becomes passive again. No distortion will occur during movement. These low forces limit patient discomfort and ensure good circulation in the periodontal pocket during movement. Typically, you will see 4mm of space opened in three months (this varies depending on the age and health of the patient). To engage the open coils, mark the archwire where the mesial and distal tooth destinations are located. Crimp on the mesial stop and ligate the archwire up to the point where the spring is to be placed. Slide the coil over the archwire and crimp on the distal stops. Ligate the balance of the wire. Since the Sentalloy coil needs about 1/10 as much wire as steel, good hygiene is much easier, but do advise the patient to rinse and brush around the coil. No other adjustment is needed.
http://www.eksenmedikal.com.tr/open-coil-spring
GAC Molar Distallization Coils
Maxillary molars can be moved distally in 4-7 months without patient cooperation using our 100 gram Stop Wound Open Coil Springs. A modified Nance or A.C.C.O. may be used as an anchorage device initially. The coils are placed between the 1st bicuspid and the 1st molar – by passing the 2nd bicuspid. The coils are then activated against the molar using an archwire lock or our special crimpable stop. Cut the Stop Wound Open Coils so that they extend to the end of the buccal tube. Ligate the archwire to the 1st bicuspid, set the stop, then slide the coil onto the archwire. Next, feed the archwire into the tube, ensuring that the archwire is fully inserted with 2mm of wire extending beyond the tube. Uprighting springs may be used from the 1st bicuspid to the distal of the laterals to control any anterior movement. Using this system, you will see 1mm per month in space gained, with any anchorage loss well within clinically acceptable limits.
http://www.eksenmedikal.com.tr/gac-molar-distallization-coils