Good oral hygiene Healthy periodontal status Deep bite Anterior bite plane Clear aligner bite ramp Root resorption Alveolar bone Skeletal and dental change
Conditions
Interventions
No treatment,Conventional anterior bite plane consists of labial bow with U-
loop and two Adam’s clasps of first permanent molars. The anterior region included an acrylic bite plane. ,The clear aligner bite ramp is formed over the dental cast with white-
plaster anterior plane using a sheet of double layers transparent thermoplastic materials
Control group,Conventional anterior bite plane,Clear aligner bite ramp
Sponsors
Graduate school Prince of Songkla University
Graduate school Prince of Songkla University
Eligibility
Sex/Gender
All
Age
9 Years to 13 Years
Inclusion criteria
Inclusion criteria: 1. Dental deep bite (overbite >40%) 2. Overjet 0-4 mm 3. Class I or Class II malocclusion 4. Late mixed or early permanent dentition 5. Class I or mild Class II skeletal relationship with retrognathic mandible (ANB 1-9°) 6. Hypodivergent or normodivergent pattern (SN-MP < 35) 7. No signs and symptoms of TMD 8. No history of systemic diseases
Exclusion criteria
Exclusion criteria: 1. History of trauma at upper and lower incisors 2. Endodontically treated upper and lower incisors 3. Use of long-term anti-inflammatory, immunosuppressive drugs or other root and bone altering medications. 4. Non-cooperation patients
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Skeletal and dental change Pre-treatment, Post-treatment Cephalometric analysis,Skeletal and dental change Pre-treatment, Post-treatment Cephalometric analysis | — |
Secondary
| Measure | Time frame |
|---|---|
| Volumetric root resorption Pre-treatment, 6 month CBCT,Volumetric root resorption Pre-treatment, 6 month CBCT,Alveolar bone change Pre-treatment, 6 month CBCT,Functional incisal bite force 1 month Bite force sensor | — |
Countries
Thailand
Contacts
Public ContactNalin Pairatchawan
Assoc.Prof.Dr. Udom Thongudomporn
Outcome results
None listed