Investigation and comparison of patient experiences with removable functional appliances: Invisalign Teen with Mandibular Advancement® versus Twin Block
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Date
2020-04-29
Authors
Zybutz, Tyrone
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Abstract
Purpose: Describe the similarities and differences in various aspects of the patient experience while being treated with the Invisalign Teen with Mandibular Advancement® (ITMA) and Twin Block appliance (TB).
Methods: Sixty-eight (68) patients completed an anonymous survey approved by the Health Research Ethics Board after at least two months of wearing TB or ITMA. Forty-five (45) patients treated with ITMA (18 males, 27 females, mean age 13.62 years, SD ± 1.54) and twenty-three (23) patients treated with TB (13 males, 10 females, mean age 10.60 years SD ± 1.92) were included in the study.
Results: More TB patients found their appliance to be visually intimidating compared to ITMA (21.7% vs 8.9%). TB was more noticeable than the ITMA (69.6% vs 22.2%). Appliance insertion was more difficult for TB patients (21.8% vs ITMA - 4.4%). After several months, reporting of tooth soreness and lip/cheek soreness was greater in the ITMA group. TB patients were more embarrassed even after several months (14.3% vs ITMA - 0%). More TB patients required extra appointments for breakages (50% vs ITMA - 22.2%). Speech, drooling, jaw, lip/cheek soreness worsened initially for both groups but improved over time. There were no differences between the groups regarding visible facial changes, satisfaction with treatment experience or time to acclimatize to the appliance.
Conclusion: TB and ITMA patients shared similar experiences for the majority of the parameters measured but there were statistically significant differences between the groups in relation to appliance appearance, wear and management, discomfort, social and functional impact.
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Keywords
Patient experience, Functional appliance, Twin Block, Invisalign Teen with Mandibular Advancement