* 20 patients will be divided into 2 groups * Group 1 : in which conventional appliance will be constructed after alginate impression * Group 2 : in which 3d printed appliance will be constructed after intra-oral scanning
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
visual analogue scale
Timeframe: Change from immediate postoperative to 6 months