لیبیال بو
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- Intrusion labil bow
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- Labial bob with retractive canin loop distal
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- libial boo with retractive canin loop mesial
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- rctangular fited labial bow
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- revers libial
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- ricketts labial arch
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- round contoured labial bow
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- u loop
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- w loop
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- wrap around
