Class I malocclusion, bilateral posterior cross bite. Bilateral Posterior Open Bite in permanent dentition.
Treatment: Fixed Therapy.
Time: 21 months.
Lingual Pearl: 8 months before finishing treatment and 2 months after.
Retention: thermoformed splint (upper 3 – 3).
Note: In adult cases, bilateral posterior cross bites with open bite have great tendency to relapse. It is very important to educate tongue trust to achieve stability.
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