J Biol Regul Homeost Agents. 2021 May-Jun;35(3 Suppl. 1):185-195. doi: 10.23812/21-3supp1-21.

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Does a short lingual frenulum affect body posture? Assessment of posture in the sagittal plane before and after laser frenulotomy: a pilot study

Saccomanno S1, Pirino A2, Bianco G3, Paskay LC4, Mastrapasqua R5, Scoppa F6.

Author information

1  Department of Life, Health and Environmental Sciences, University of L’Aquila, Italy.
2  Department of Biomedical Sciences, University of Sassari, Italy.
3  Research Laboratory of Posturology and Neuromodulation RELPON, Faculty of Medicine and Dental Surgery Sapienza University of Rome, Italy.
4  Academy of Orofacial Myofunctional Therapy (AOMT), California, USA.
5  ENT Department, Rivoli Hospital, ASL TO3, Rivoli, Turin, Italy.
6  Faculty of Medicine and Dental Surgery, University of Rome “Sapienza”, Rome, Italy and Chinesis I.F.O.P. Osteopathy School, Rome, Italy.


The factors that characterize posture are neurophysiological, biomechanical, psychoemotional. Neurophysiological factors concern the modulation of tone, muscle tone is the result of a series of neuropsychological processes within the tonic-postural system. The tonic-postural system can become unbalanced for various reasons, including a tight lingual frenum. The aim of this pilot study was to evaluate the benefits of frenulectomy by laser on body posture and on the scapular (shoulders) anteroposterior movement. Twenty-four healthy subjects were selected, between the ages of 10 and 26 years (mean age 15.22) who presented a short lingual frenum and a low posture of the tongue and jaw. They were examined using the Marchesan Protocol for Lingual Frenum and the Spinometry® Formetric and underwent laser frenectomy by diode laser (Siro Laser Blu. 660 nm) without any post-surgery complications. The release of the frenulum immediately brought benefits to patients, reorganizing the physiological modulation, and the movement of the tongue within the normal parameters of temporomandibular kinematics which were within physiological parameters. Frenectomy improved the anterior-posterior flexion of the scapulas (shoulders) in the sagittal plane but a larger sample is required to have statistically significant results.


frenectomy, laser, posture, short lingual frenulum, tongue

Publication type

  • Journal Article

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