Why is retention necessary 1. The balance of muscle forces of Oral-Maxilla system have not been achieved.
Why is retention necessary 2. Reorganization of the Periodontal and Gingival tissues.
Why is retention necessary 3. Occlusion balance has not been established.
Why is retention necessary 4. Oral habits have not been corrected.
Why is retention necessary 5. Occlusion changes related to growth.
Retention 3. Planning of Retention: Essentially full-time for the first 3 to 4 months. Continued on a part-time basis for at least 12 months, to allow time for remodeling of gingival tissues. If significant growth remains, continued part-time until completion of growth.
Retention 3. Planning of Retention (continuous): Permanent retention is justified in patients with cleft lip or palate A prosthesis may be used as a retainer
Planning of Retention Factors important in the planning of retention: 1. Original malocclusion and patient’s growth pattern. 2. The type of treatment performed. 3. Type of retainer. 4. Duration of retention.
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