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The tip of the clasp is bent over and the tooth is completely embraced from buccal. The activation loops are bent in an S-shape in a distance of 2 mm to the lingual or palatal area of the tooth crown. |
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This active portion has to be covered with wax as usual. In this case, the lingual or palatal surface of the tooth should also be covered with wax so that the acrylic does not lie directly on the tooth and its oral movement is not hindered. |
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The retention should be anchored sufficiently in the acrylic so that the spring is not torn off because of the resulting forces. |
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