Comparative Evaluation of Aligners with Built-in Vibration Features on Rate of Tooth Movement.

Background: Clear aligner therapy has become a preferred alternative to traditional fixed orthodontics due to its aesthetics and comfort. However, the slower rate of tooth movement remains a limitation. Incorporating built-in vibration technology within aligners is a recent innovation proposed to accelerate tooth movement by enhancing cellular activity and bone remodeling. Materials and Methods: A prospective comparative study was conducted involving 40 orthodontic patients aged 18-30 years requiring anterior teeth retraction. Patients were randomly assigned into two groups: Group A (n = 20) received conventional clear aligners, and Group B (n = 20) received aligners with built-in vibration features (frequency 30 Hz, 5 minutes/day usage). All participants underwent standardized treatment planning, and tooth movement was evaluated using digital models at baseline, 4, 8, and 12 weeks. Results: The mean rate of tooth movement over 12 weeks was significantly higher in Group B (0.45 ± 0.08 mm/week) compared to Group A (0.29 ± 0.06 mm/week), with a P < 0.01. Group B also exhibited reduced overall treatment time by approximately 23%. No significant adverse effects or discomfort were reported in either group. Conclusion: Aligners integrated with vibration features demonstrated a statistically significant increase in the rate of tooth movement compared to conventional aligners.