Healthy adults Maxillary expansion
Conditions
Interventions
The subjects were received straight rectangular beta-
titanium alloy wire for maxillary dento-
alveolar expansion.
Experimental Device
Straight rectangular bete-
titanium alloy wire
Sponsors
Graduate School, Prince of Songkla University
Faculty of Dentistry,
Prince of Songkla University
Eligibility
Sex/Gender
All
Age
15 Years to 30 Years
Inclusion criteria
Inclusion criteria: adult patients, age 19.2 ± 2.8 years) who attended Orthodontic Clinic were selected on the following inclusion criteria : (1) bilateral maxillary dental expansion between 1.5 mm and 4 mm required, (2) hypo- or normo-divergent facial pattern (15°<SN-GoMe< 35º) that would allow for an increase in lower facial height by creating clockwise rotation of mandible, (3) neither unilateral nor posterior crossbite presented, (4) healthy periodontal condition with no pocket formation or gingival recession, (5) no craniofacial disorders, (6) no underlying disease and no signs and symptoms of TMDs.
Exclusion criteria
Exclusion criteria: Failure of bond bracket, use of non-steriodal anti-inflammatory drugs during expansion
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Expansion rate Before expansion (T0), after expansion complete (T1) millimeters/month; model analysis,Expansion amount Before expansion (T0), after expansion complete (T1) millimeters; model analysis,Bone changes Before expansion (T0), after maintain archwidth for 3 months (T2) millimeters; cone beam computed tomography,Molar inclination Before expansion (T0), after maintain archwidth for 3 months (T2) degree; cone beam computed tomography | — |
Secondary
| Measure | Time frame |
|---|---|
| Expansion rate before expansion (T0), after expansion completed (T1) millimeters/month; model analysis | — |
Countries
Thailand
Contacts
Public ContactChanchai Pattanaviriyapisan
Faculty of Dentistry, Prince of Songkla University
Outcome results
None listed