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TPD All In One
TPD is a bone bourne device fixed on the palatal shelves, which avoids many of the problems associated with tooth bourne devices.
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No loss of anchorage since the abutment plates are fixed on the palatal bone
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No or very little skeletal relapse can be expected since the actions of expansion and retention are immediately on the bone
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No periodontal membrane compression, root resorption or cortical
fenestration since the teeth are left untouched
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No tipping of teeth
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No, or very little tipping of the segments, since action is in a higher level on the vault. (See clinical publications)
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Each TPD is in a steri-pack and also contains:
2 x Self Drilling Screws
1 x Blocking Screw
