· 2019-11-29 · aligners are clear, removable'mouthguards' which fit closely over...

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Page 1:  · 2019-11-29 · Aligners are clear, removable'mouthguards' which fit closely over teeth. A series of aligners is used to straighten teeth. They are worn day and night to achieve
Page 2:  · 2019-11-29 · Aligners are clear, removable'mouthguards' which fit closely over teeth. A series of aligners is used to straighten teeth. They are worn day and night to achieve