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Evaluation of head and cervical spine posture after functional therapy with Twin‑Block and Bionator appliances: A
Hoger Omran Alsheikho1, Doaa Hussain Jomah1, Mohamad Younes1
1Department of Orthodontics, Faculty of Dentistry, Tishreen University, Latakia, Syria.
Objective:
Evaluation of head and cervical spine posture and estimation of sample size.
Methods:
Thirty eligible participants who required functional therapy were randomly assigned to the Control group (C), Twin Block group (TB), or the Bionator group (B). Randomization was accomplished by means of blocks of fixed size stratified by sex and age, with the allocations concealed in opaque and sealed envelopes.
Results:
Significant differences were identified between the pre -and post-functional SNB (p = 0.024) and ANB (p = 0.034) angles in the Twin Block group and SNA (p = 0. 019) and ANB (p = 0. 028) angles in the Bionator group. No statistically significant changes were seen in the head or cervical variables in the three groups.
Conclusion:
The functional appliance did not cause any statistical change in head posture or cervical spinal column in comparison with the non-treatment group.
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