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| Name | Class |
|---|---|
| Fundação de Amparo à Pesquisa do Estado de São Paulo | OTHER_GOV |
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The objective of this study was to evaluate the effect of the orthodontic retainer on transverse maxillary dental and skeletal stability after SARME.
Methods: Ninety digitized dental casts of 30 adult patients (18 males and 12 females) submitted to SARME using the Hyrax expansion appliance were evaluated. Patients were distributed into two groups: Group Without Retention (GSC) n = 15; and Group With Retention (GCC) n = 15. In the GCC group, a Transpalatal Arch (TPA) was installed for retention soon after removal of the expander. The dental casts were scanned using a Vivid 9i 3D laser scanner (Konica Minolta, Wayne, NJ). The plaster models were performed preoperatively (T1), 4 months after the expander was removed (T2), and 10 months after the end of the expansion (T3). The distances measured were Inter-Cusps of Premolars and Molars (Inter-Cusp PM) (Inter-Cusp M), Inter-Cervicals of Premolars and Molars (Inter-Cervical PM) (Inter-Cervical M), Inter-WALA edges of Premolars and Molars (PM Inter-BW) (BW Inter-M), palatal height at the molar, and palatal area and volume at T1, T2, and T3.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Laser Scanner | Other | Laser Scanner (Vivid 9i® - Konica Minolta)was used to digitize the study casts. After scanning the dental casts a 3D virtual dental casts was used to realize all measurements (pre-treatment, 4 months and 10 months). |
|
| SARME | Other | Surgically Assisted rapid Maxillary Expansion -SARME was used for the treatment of transverse maxillary deficiency.This procedure is a combination of a surgical procedure and orthopedic expansion of the maxilla. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Surgically Assisted Rapid Maxillary Expansion (SARME) | Procedure | Surgical technique is performed with subtotal LeFort I osteotomy with separation of the pterygomaxillary fissure.The procedure was performed under general anesthesia using endotracheal intubation. Following the osteotomies, the expander screw was activated to 1.6 mm intraoperatively until a small diastema was observed between the upper central incisors. The incision was sutured along two planes. |
| Measure | Description | Time Frame |
|---|---|---|
| Maxillary Stability | Laser scanner to create a 3D virtual dental cast | up to 10 months after the end of expansion |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Max D Pereira, Phd | Federal University of São Paulo | Principal Investigator |
| Gabriela PR Prado, MS | Federal University of São Paulo | Study Chair |
| Fabianne MG Furtado, PhD | Federal University of São Paulo | Study Chair |
| João PR Biló, MD | Federal University of São Paulo | Study Chair |
| Lydia M Ferreira, PhD | Federal University of São Paulo | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Federal University of Sao Paulo | São Paulo | São Paulo | 04020-050 | Brazil |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 23690355 | Derived | Prado GP, Pereira MD, Bilo JP, Furtado F, Ferreira LM. Stability of surgically assisted rapid palatal expansion: a randomized trial. J Dent Res. 2013 Jul;92(7 Suppl):49S-54S. doi: 10.1177/0022034513486899. Epub 2013 May 20. |
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| Type | Date | Date Unknown |
|---|---|---|
| Release | Sep 1, 2014 | |
| Reset | Sep 8, 2014 |
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| Sep 1, 2014 | Sep 8, 2014 |
| ID | Term |
|---|---|
| D063173 | Retrognathia |
| ID | Term |
|---|---|
| D007569 | Jaw Abnormalities |
| D007571 | Jaw Diseases |
| D009140 | Musculoskeletal Diseases |
| D019767 | Maxillofacial Abnormalities |
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|
| Laser Scanner | Other | Laser Scanner Vivid 9i was used to digitize the study models. The 3d virtual dental casts is a reliable copy of the original dental casts. On this virtual casts all measurements (linear, area and volume of the palate) was done to evaluate the stability after SARME. |
|
| D019465 |
| Craniofacial Abnormalities |
| D009139 | Musculoskeletal Abnormalities |
| D009057 | Stomatognathic Diseases |
| D008336 | Mandibular Diseases |
| D018640 | Stomatognathic System Abnormalities |
| D000013 | Congenital Abnormalities |
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |