This page is to share resources that a prospective patient, hygienist, speech pathologist, dentist, physician, chiropractor or other health care provider would find useful when considering oral myofunctional therapy.
Where can I learn more from Dave?
- To learn more about courses Dave is teaching and courses he recommends visit myoDave.com 
- Are you interested in learning more about becoming a myofunctional therapist? Dave is currently teaching with the MyoMentor Institute - you can learn more information at MyoMentor. His current role is leading study clubs for newly graduated myofunctional therapists and teaching new myofunctional therapists how to build and grow their practice from launch to success. 
- Would you like to take a ‘crash course’ on myofunctional therapy? Sarah Hornsby has a great online course where you can learn some of the basics about myofunctional disorders at SarahKHornsby.com 
- Dave frequently teaches an in-person or virtual 1-hour study-club style course in the local Seattle area. If your office, study club, dental association, or hygiene association is interested, send me a message at dave@kenmoremyo.com. Dave also is available for virtual classes through zoom. Email for availability. 
- Are you a myofunctional therapist looking for individual one-on-one coaching? You can book a 30 minutes zoom consultation with Dave for $100 at https://calendly.com/kenmoremyo/. 
Myofunctional Therapy and Pediatric Dental Care
- The Role of Myofunctional Therapy in Pediatric Dentistry: https://www.tandfonline.com/doi/full/10.1080/19424396.2024.2400418?fbclid=IwY2xjawFRjflleHRuA2FlbQIxMQABHfWLb_6Hwzo1OIM6rNivClIGx0PdyLiXCv5o6xuFRtKEwGObijIJByTMcg_aem_IHGQADFIzLTvLcH4ZC2k8w#abstract 
- Establishment of nasal breathing should be the ultimate goal to secure adequate craniofacial and airway development in children: https://www.sciencedirect.com/science/article/pii/S0021755717308318?via%3Dihub 
- Mouth breathing, "nasal disuse," and pediatric sleep-disordered breathing: https://pubmed.ncbi.nlm.nih.gov/25877805/ 
Myofunctional Therapy and Atypical Swallow (also called: Tongue Thrust Swallow)
- Research study showing effectiveness of myofunctional therapy in correcting atypical swallow: https://pubmed.ncbi.nlm.nih.gov/32367149/ 
- A Meta Study evaluating the effectiveness of myofunctional therapy for adults with atypical swallow: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7522100/ 
- Impact of Oral Myofunctional Therapy on Orofacial Myofunctional Status and Tongue Strength in Patients with Tongue Thrust: https://karger.com/fpl/article-abstract/73/5/413/819870/Impact-of-Oral-Myofunctional-Therapy-on-Orofacial?redirectedFrom=fulltext 
Myofunctional therapy and sleep apnea
- Research study on effectiveness of Oral Myofunctional Therapy on snoring & sleep apnea: https://www.ncbi.nlm.nih.gov/pubmed/25950418 
- Medical Review article on using Oral Myofunctional Therapy to treat sleep apnea: https://www.mdpi.com/1648-9144/57/4/323/htm 
- Research study on Oral Myofunctional Therapy to treat sleep disordered breathing in children: https://www.sleep.theclinics.com/article/S1556-407X(14)00025-3/abstract 
- Case report on Oral Myofunctional Therapy used to treat upper airway resistance syndrome: https://aomtinfo.org/wp-content/uploads/2016/06/Case-Report-UARS-Myofunctional-Therapy-12.2015-Correa.pdf 
- Research paper on effect of oral pharyngeal muscle exercises to treat mild - moderate sleep apnea: https://doi.org/10.1016/j.ejcdt.2016.08.014 
- Systemic Review and meta analysis on using Myofunctional Therapy to treat obstructive sleep apnea: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4402674/ 
- Systemic review and meta analysis on using myofunctional therapy to treat snoring: https://link.springer.com/article/10.1007/s00405-017-4848-5 
- Effect of sleep disordered breathing in children. Sleep disordered breathing is associated with daytime problematic behaviors, hyperactivity, and emotional difficulties: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3313633/ 
- Meta analysis of effect of myofunctional therapy on obstructive sleep apnea: PDF 
- The Role of Myofunctional Therapy in Treating Sleep-Disordered Breathing: A State-of-the-Art Review: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8306407/?fbclid=IwAR2vYuZsNA_IbszW7vPywe5gciPWoX2IAH4J5SsgDD-yM0qADBMREkpsuDA 
- Effect of myofunctional therapy on children with obstructive sleep apnea: a meta-analysis: https://www.sciencedirect.com/science/article/abs/pii/S1389945720303555?via%3Dihub 
- Review of benefits of myofunctional therapy to treat obstructive sleep apnea either as a stand alone treatment or in conjunction with other treatments: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8066493/ 
- A systematic review of literature on the effectiveness of myofunctional therapy on reduction of snoring: https://link.springer.com/article/10.1007/s00405-017-4848-5 
- Research study discussing the benefits of nasal breathing re-education and myofunctional therapy on all 4 types of sleep apnea: https://www.mdpi.com/2077-0383/10/3/471?utm_source=Klaviyo&utm_medium=email&_kx=X9D2MLn_MXCiVsvvvQmCDcnp5TzPSpTyJtffCemi8OY.Wd8SrD 
- How Orofacial Myofunctional Therapy Can Aid in the Treatment of Sleep-Disordered Breathing: https://sleepworldmagazine.com/2024/08/16/how-orofacial-myofunctional-therapy-can-aid-in-the-treatment-of-sleep-disordered-breathing 
- Efficacy of myofunctional therapy for obstructive sleep apnea: A systematic review and network meta-analysis: https://pubmed.ncbi.nlm.nih.gov/40716836 
- Hyoid slump hypothesis: A rational approach to understanding obstructive sleep apnea and related airway disorders: https://www.sciencedirect.com/science/article/pii/S0306987725001483?via%3Dihub= 
- Effects of orolingual myofunctional therapy on snoring–a randomized controlled trial: https://www.tandfonline.com/doi/10.1080/00016489.2025.2541603?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%20%200pubmed&fbclid=IwVERDUAMl8hJleHRuA2FlbQIxMQABHhUkI9Hyrtl74bsZ3glefpUeK_12P7HNQZiAvpD-9d_DOmJE-DkDUYxBcVZR_aem_GfhvfnPvCNeSj6rtQniiJg#abstract 
Myofunctional therapy’s effect on bed wetting
- Effect of breathing re-education on bed wetting: PDF 
Combined effect of tongue tie release surgery with myofunctional therapy
- A very clinical explanation of tethered oral tissues: PDF 
- A 2019 study showing the effectiveness of tongue tie releases with myofunctional therapy PDF 
- A clinical dissection of tongue ties a paper describing the anatomy of a tongue tie: https://www.researchgate.net/publication/330756535_What_is_a_Tongue_Tie_Defining_the_anatomy_of_the_in-situ_lingual_frenulum 
- Research study defining tongue tie: https://link.springer.com/article/10.1007/s11325-016-1452-7 
- A description of a ‘functional release’ combining myofunctional therapy with a tongue tie release: https://www.lightscalpel.com/publications/tongue-tie-functional-release/ 
- A study demonstrating both safety and effectiveness of myofunctional therapy and tongue tie release of professional singers and professional speakers: https://ijom.iaom.com/journal/vol49/iss1/1/?fbclid=IwAR3p6e6yRIBeMOMbMyp9p_ouhCearKTrbiIuMuqjWw2Z7EFEXSpXJ8FdNS8 
- A 2025 study demonstrating the effects of myofunctional therapy coupled with a tongue tie release: https://www.mdpi.com/2694-2526/51/2/11 
Combined effect of myofunctional therapy and orthodontics
- Study showing the importance of myofunctional therapy in combination with orthodontics when treating ‘anterior open bite: 10.1016/j.ajodo.2008.07.016 
- A study showing the connection of tongue tie to a narrow roof of the mouth: PDF 
Effect of Myofunctional Therapy on TMJ pain, clenching & grinding
- Evidence based review of connection between teeth grinding, sleep disorders and TMJ: https://aadsm.org/docs/JDSM.1.1.27.pdf 
- Effects of Orofacial Myofunctional Therapy on Temporomandibular Disorders: 10.1179/crn.2010.033 
- Mouth breathing: adverse effects on facial growth, health, academics, and behavior: https://pubmed.ncbi.nlm.nih.gov/20129889/ 
- Study showing the effectiveness of myofunctional therapy on treating TMJ pain: https://www.pagepressjournals.org/index.php/bam/article/view/6759 
- Study showing the connection between dysfuntional swallowing pattern on TMJ pain: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7135951/ 
Neck and shoulder pain
- Study showing improvement of neck and shoulder pain with breathing re-education: https://pubmed.ncbi.nlm.nih.gov/25141528/ 
Mouthbreathing
- The health benefits of nose breathing: https://citeseerx.ist.psu.edu/document?repid=rep1&type=pdf&doi=518e51c3807f277b38c313062532f75211e080cf 
- Effect of mouth breathing on the shape of face and airway: https://academic.oup.com/ejo/article/29/5/426/426214 
- Mouth breathing, “nasal disuse,” and pediatric sleep-disordered breathing: 10.1007/s11325-015-1154-6 
- Research study discussing the benefits of nasal breathing re-education and myofunctional therapy on all 4 types of sleep apnea: https://www.mdpi.com/2077-0383/10/3/471?utm_source=Klaviyo&utm_medium=email&_kx=X9D2MLn_MXCiVsvvvQmCDcnp5TzPSpTyJtffCemi8OY.Wd8SrD 
- Air-conditioning in the human nasal cavity: https://www.sciencedirect.com/science/article/abs/pii/S1569904808001262?via%3Dihub 
- Mouth breathing, "nasal disuse," and pediatric sleep-disordered breathing: https://pubmed.ncbi.nlm.nih.gov/25877805/ 
Lip Seal
- Research study showing the effect of myofunctional therapy on the ability for the lips to stay closed during the day and night: https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/67351/1/18_Junichiro%20Iida.pdf 
Connection between pelvic floor dysfunction and tongue tie
- This article discusses the connection between tongue tie and the pelvic floor: https://journals.lww.com/jwphpt/abstract/2023/10000/ankyloglossia,_a_contributor_to_pelvic_pain__a.8.aspx 
Connection between the tongue and posture
The Connection between the Tongue, Posture and the Nervous System: https://www.chinesis.org/images/Libri%20pubbl/articolo_annali.pdf
Myofunctional therapy effects on tinnitus:
Otologic symptoms of temporomandibular disorder and effect of orofacial myofunctional therapy: https://pubmed.ncbi.nlm.nih.gov/18468271/
Books to read:
Here is a list of great books to read about myofunctional therapy, breathing, tongue posture and swallowing:
- Close Your Mouth, by Patrick McKeown 
- Six Foot Tiger Three Foot Cage, by Felix Liao, DDS 
- Tongue-Tied, by Richard Baxter, DMD 
- GASP, by Dr Michael Gelb 
- Jaws, by Sandra Kahn and Paul Ehrlich 
- The Oxygen Advantage, by Patrick McKeown 
- SOS 4 TOTS, by Lawrence Kotlow DDS 
- Baby Led Weaning, by Tracey Murkett 
- The Evolution of the Human Head, by Daniel Lieberman 
- Deep Nutrition, by Catherine Shanahan MD 
- The Dental Diet, by Dr Steven Lin 
- Feed Your Baby and Toddler Right, by Diane Bahr 
- Nobody Ever Told Me (Or My Mother) That!, by Diane Bahr 
- Sleep Interrupted, by Dr Steven Park 
- Breath, by James Nestor 
- Breathe, Sleep, Thrive by Dr. Shereen Lim 
- Accomplished: How to Sleep Better, Eliminate Burnout, and Execute Goals, by Karese Laguerre 
- Accessing the Healing Power of the Vagus Nerve: Self-Help Exercises for Anxiety, Depression, Trauma, and Autism 
- Breathing for Warriors, by Belisa Vranich and Brian Sabin 
A work in progress
This page is a work in progress - check back often for updates. This is not intended to be a comprehensive list of available research but rather a quick reference for frequently referenced articles and papers. If you have a paper you think should be included, please email dave@myodave.com
“We are just beginning to realize how common and varied are vicious habits of the lips and tongue, how powerful and persistent they are in causing and maintaining malocclusion, how difficult they are to overcome and how hopeless is success in treatment unless they are overcome”. ”
