NCT01917604.

Trial name or title	Open versus closed surgical exposure of impacted canine teeth
Methods	Randomised controlled trial.
Participants	Patients with palatally ectopic maxillary canines who required surgical exposure and orthodontic alignment 13 years to 25 years (child, adult).
Interventions	Procedure: open exposure — the open surgical methods of exposing the canine is compared with control. Procedure: closed exposure — closed exposure is compared with control.
Outcomes	Primary outcome: measure of width of attached gingiva (time frame: 36 months). Many measures that assess the periodontal outcome like crown length, gingival recession, bone loss will be assessed. Secondary outcome: pain score on the visual analogue scale (time frame: 10 days post surgery). Many patient‐related outcomes like the number of times the bond failure took place, surgical time, pain associated with surgery will be assessed.
Starting date	January 2015.
Contact information	panchali.batra@gmail.com
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