None listed
Conditions
Interventions
Medical Device : In order to reduce the risk of damage to the root of the tooth and to increase the success rate while minimizing the side effects of miniscrew placement by using the miniscrew placeme
Sponsors
Yonsei University Health System, Dental Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Among patients 18 years of age or older who are undergoing orthodontic treatment, 60 patients who need to place miniscrews on both sides of the jaw at the same time 2. Root contact risk group - If the mini-screw needs to be placed close to the root due to the tooth movement plan, keep the thickness of 2.5mm and the safety margin 2-3mm from the screw margin based on the in2guide guideline 3. Setting experiment group and control group: Select 30 test group and 30 control group by randomly classifying the selected patients. (Experiment group: Mini-screw placement using the mini-screw placement guide, Control group: Manual placement without using the mini-screw placement guide)
Exclusion criteria
Exclusion criteria: Exclusion criteria 1. In case of uncontrolled systemic disease 2. If there is a disease related to bone metabolism 3. In case of CBCT image errors such as metal artifacts such as prostheses, root canal treatment teeth, etc. Criteria for withdrawal 1. When the subject does not want to use the miniscrew placement guide 2. In case the subject does not want to use the mini screw
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Success or not | — |
Secondary
| Measure | Time frame |
|---|---|
| Initial stability;Root proximity | — |
Countries
Korea, Republic of
Contacts
Public ContactJung-Yul Cha
Yonsei University Health System, Dental Hospital
Outcome results
None listed