Uncover UL7

When the female patient was 11 years 2 months (Fig.1) and 12 years 10 months (Fig.2) old, the eruption of #15 is delayed.  The tooth is surgically uncovered with bonding an eruption chain 1 month post banding.  Three (Fig.3), 4 (Fig.4) and 6 (Fig.5) months post banding, eruption appears to be slow with elastics.  

The distobuccal cusp of the tooth is subgingival 8 months post banding (Fig.6 (mirror view) *).  A 2nd surgery is performed to expose the gold chain (Fig.7 <) and a bracket is placed.  With arch wires, eruption of the impacted tooth is quickened (Fig.8).  Later a 3rd minor surgery is done to place a lingual button to facilitate lingual cusp eruption.  Finally a band has to be placed at #15.  Treatment finishes in 2 years.  The patient (15 years 2 months old) returns for follow up 3 months post debanding (Fig.9).

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Xin Wei, DDS, PhD, MS 1st edition 11/28/2015, last revision 11/28/2015