Clinical Effectiveness of Cobalt Chromium CAD-CAM Designed Customized Lingual Retainer
Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age12-25
SponsorUniversity of Baghdad
About this trial
This study aims to evaluate the clinical effectiveness of CAD/CAM 3D printed Chrome Cobalt fixed retainer in maintaining mandibular anterior teeth stability.
The Research Question; "Does the Cobalt-Chromium CAD/CAM designed customized lingual retainer better than Stainless steel lingual retainer in improving tooth stability after orthodontic treatment?" The null hypothesis "There is no differences between the fixed CAD/CAM 3D printed Chrome Cobalt customized retainer and the multi-stranded stainless-steel fixed retainer in maintaining mandibular anterior teeth stability."
Eligibility criteria
Qualifiers
Completion of a course of fixed appliance therapy.
with a satisfactory correction of malocclusion and dental alignment.
Class I canine relationship based on Andrew's criteria for finishing.
Patients with a history of constant oral hygiene measures daily.
Disqualifiers
Patients with a deep overbite
Patients with traumatic parafunctional habits such as bruxism and clenching.
Patients with carious, restored, fractured, or missing lower anterior teeth.
Patients with medical health problems that may influence gingival health, like uncontrolled type II diabetic patients.
Trial design
Treatments tested in this trial
- Stainless steel fixed retainer
- 3D printed CAD/CAM Chrome cobalt fixed lingual retainers
Treatment groups
42 Participants
are divided into 2 treatment groupsSponsors and collaborators
Source ClinicalTrials.gov