Sunday, 28 August 2011

Twin Block, with or without upper labial bow? Angle Orthod, ahead of print.

One of the most read posts of this blog, is the recent W.Clark article at the JO. The Twin Block is a widely used functional appliance, and its creator advocates that his 30 years experience has taught him, that there is no need for a facial bow at the upper plate of the appliance.

A group of scientists from King's College university, have performed a RCT, to test the above hypothesis. What they find is that indeed the use or not of a facial bow at the upper plate of the twin block, does not seem to influence significantly the treatment results.

Construction of the Twin Block with and without a facial bow.

For further information please refer to the ahead of print of The Angle Orthodontist, at this link

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