In this video we present the exposure technique of buccally positioned impacted canines.
When performing this type of surgery, it is very important to maintain a zone of attached keratinized gingiva on the facial aspect of the teeth.
If the surgical technique includes the removal of the flap, including the keratinized gingiva that might be covering the impacted tooth, then when the tooth is repositioned by the orthodontist to its final position you might end up with only mucosa on the facial aspect of it.
The presence of only movable mucosal tissue around teeth can lead to gingival recession. This is especially true for the canines. The root prominence of these teeth might lead to the formation of bony dehiscence upon facial movement of the root during the orthodontic treatment. When dehiscence is present in absence of keratinized gingival tissue, then the development of gingival recession is possible.
Ioannis
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