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A preformed distal shoe space maintainer is shown in the photograph. Many clinicians prefer to use a customized band and loop appliance for most cases. However, many of these same clinicians prefer to use a preformed distal shoe appliance because of its relative ease of fabrication and the fact that a one appointment procedure is involved. Opting for a one appointment procedure will avoid a second local anesthetic administration and the difficulty of seating a customized appliance so it fits securely against the unerupted first permanent molar.
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