Bio-Exercise (BioEx) – A biocreative orofacial myofunctional therapy: preliminary cephalometric study and clinical application

Li-in Lim, HyeRan Choo, Luiz Fernando Eto, Kyu-Rhim Chung, Seong-Hun Kim

Objective: To introduce newly structured and developed orofacial myofunctional therapy (OFMFT) protocols named Bio-Exercise (BioEx), and evaluate the treatment effect of this method, using lateral cephalometric analysis on malocclusion with low tongue posture in young patients. Methods: A retrospective preliminary study was performed using orthodontic records from 28 patients (mean age of 8.41±1.45-year-old, 13 males, 15 females) treated with BioEx therapy using tongue elevators for 18.14±9.04 months (range: 6 to 37 months). Pretreatment (T0 ) and post-BioEx therapy (T1 ) lateral cephalograms were subsequently analyzed for tongue posture changes by linear, anteroposterior and vertical measurements. The data were analyzed by paired t-test, considering a 5% significance level. Results: The tongue length (TGL) and tongue height (TGH) increased statistically significant between T0 and T1 . The decrease of the dorsum of the tongue perpendicular to the palatal plane (Td-PP value) was statistically significant. The increase of the tip of the tongue perpendicular to the pterygomaxillary vertical line (TT-PMV) was not statistically significant. Conclusions: These preliminary cephalometric results indicate that BioEx can be an effective OFMFT modality in increasing the tonicity of the tongue muscles to establish more normalized tongue position at rest.

Keywords: Myofunctional therapy. Orthodontic appliances. Orthodontics, interceptive. Biocreative orthodontics. Bio-exercise.

How to cite: Lim LI, Choo HR, Eto LF, Chung KR, Kim SH. Bio-Exercise (BioEx) – A biocreative orofacial myofunctional therapy: preliminary cephalometric study and clinical application. Dental Press J Orthod. 2022;27(2):e2220367.

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