U.S., Nov. 5 -- ClinicalTrials.gov registry received information related to the study (NCT07916012) titled '3D Printed Orthodontic Retainers' on Oct. 29.
Brief Summary: comparison between clinical performance and patient satisfaction of directly printed and thermoformed orthodontic retainers
Study Start Date: April 20, 2022
Study Type: INTERVENTIONAL
Condition:
Orthodontic Retainers
Intervention:
DEVICE: 3d printed retainers
3d printed retainers were constructed and delivered to the patients after orthodontic treatment
DEVICE: positive pressure thermoformed retainers
positive pressure thermoformed retainers were constructed and delivered to the patients after orthodontic treatment
DEVICE: vacuum pressure thermoformed retainers
v...