Class II Division 1 Malocclusion Clinical Trial
Official title:
Evaluation of Distal Movement of Maxillary Dentition With Zygomatic Miniplates: a Clinical Study Using Cone Beam Computed Tomography
Verified date | June 2020 |
Source | Postgraduate Institute of Dental Sciences Rohtak |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The main objective of this study is to quantify the distal movement of maxillary central incisors and molars achieved with miniplate anchorage.
Status | Completed |
Enrollment | 20 |
Est. completion date | December 2019 |
Est. primary completion date | October 2019 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 17 Years to 35 Years |
Eligibility |
Inclusion Criteria: - Non growing patients - Bilateral Class II molar relationship, defined by at least end-to-end molar relationship. - No or minor crowding in the mandible. - Treatment completion without any permanent teeth extracted (excluding third molars). - Both 1st and 2nd maxillary molars present on the side with a Class II relationship. - Horizontal to average growth pattern. Exclusion Criteria: - Subjects with a history of fixed orthodontic treatment. - Crossbite - Vertical growth pattern - Any systemic disease affecting bone and general growth - Poor oral hygiene - Cleft patients - Patients who fail to follow up or undergo complete treatment |
Country | Name | City | State |
---|---|---|---|
India | Post Graduate Institute of Dental Sciences | Rohtak | Haryana |
Lead Sponsor | Collaborator |
---|---|
Postgraduate Institute of Dental Sciences Rohtak |
India,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | distal movement of maxillary molars and central incisors measured in mm at crown and root levels | distal movement of maxillary molars and central incisors before and after intervention measured in mm at crown and root levels on Cone Beam Computed Tomography | 24 months | |
Primary | root resorption of maxillary teeth | root resorption of maxillary incisors, canines, premolars and molars evaluated by measuring the root lengths along the long axis of the roots from cemento- enamel junction to the root tips in mm on Cone Beam Computed Tomography before and after intervention | 24 months | |
Primary | patient experiences with zygomatic miniplates | questionaires given to patients for evaluating patient attitude and pain perception (using Visual Analog Scale) at different time intervals. | 20 months | |
Primary | soft tissue profile changes | soft tissue profile changes after intervention evaluated on lateral cephalogram and the raters- orthodontist, laypersons,patients,parents and general dentists will assess changes in facial appearance on a visual analog scale with profile photographs | 30 months | |
Secondary | mandibular plane angle | changes in mandibular plane angle after intervention | 24 months | |
Secondary | the movement of maxillary central incisors and molars in vertical plane | the movement of maxillary central incisors and molars in vertical plane assessed by measuring the perpendicular distance between the incisal edge/ mesio-buccal cusp to the palatal plane on Cone Beam Computed Tomography | 24 months | |
Secondary | transverse changes | intercanine and intermolar width will be assessed on CBCT before and after distalization | 24 months | |
Secondary | Airway changes | changes in the upper-airway size will be measured by using lateral cephalometric radiographs before and after distalization | 24 months |
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