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Influence of sleep bruxism severity on masticatory efficiency: electromyographic analysis

M. Palinkas, L. Seidel Coscarella, T. Hirono Hotta, C. Bataglion, G. De Luca Canto, E. Corrêa de Mello, L. Maria Napolitano Gonçalves, S. Siéssere, S. Cecilio Hallak Regalo


The objective of the present study was to ascertain masticatory efficiency by evaluating electromyographic activity in the masseter and temporalis muscles in subjects with sleep bruxism of varying severity, as determined by BiteStrip. Thirty-four subjects with sleep bruxism were divided into two groups: a mild sleep bruxism group with a mean (± standard deviation) age of 31.3 ± 6.2 years (n = 15) and a severe sleep bruxism group with a mean age of 29.8 ± 7.1 years (n = 19). Full-night polysomnography (PSG) was performed in eligible subjects. The linear envelope integral was used to determine masticatory efficiency on the basis of the electromyographic signal of the masseter and temporalis muscles during habitual and non-habitual chewing. There was significantly higher (p < .05) electromyographic activity in the severe bruxism group than in the mild bruxism group during both peanut chewing in the right (p = .03) and left (p = .03) temporalis muscles and raisin chewing in the right (p = .01) and left (p = .05) temporalis muscles. Furthermore, Parafilm M chewing showed similar results in the right (p = .008) and left (p = .02) temporalis muscles. These results suggested that subjects with severe sleep bruxism had lower masticatory efficiency.


Sleep Bruxism; Electromyography; Masticatory Efficiency; Masticatory Muscles

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Lobbezoo F, Ahlberg J, Glaros AG, Kato T, Koyano K, Lavigne GJ, et al. Bruxism defined and graded: an international consensus. J Oral Rehabil., 40:2-4, 2013.

Palinkas M, Semprini M, Filho JE, de Luca Canto G, Regalo IH, Bataglion C, et al. Nocturnal sleep architecture is altered by sleep bruxism. Arch Oral Biol., 81:56-60, 2017.

Wetselaar P, Vermaire EJH, Lobbezoo F, Schuller AA. The prevalence of awake bruxism and sleep bruxism in the Dutch adult population. J Oral Rehabil., 2019.

Lobbezoo F, Ahlberg J, Raphael KG, et al. International consensus on the assessment of bruxism: report of a work in progress. J Oral Rehabil., 45:837‐844, 2018.

Pedroni-Pereira A, Araujo DS, Scudine KGO, Prado DGA, Lima DANL, Castelo PM. Chewing in adolescents with overweight and obesity: An exploratory study with behavioral approach. Appetite., 107:527-533, 2016.

Palinkas M, Bataglion C, de Luca Canto G, Machado Camolezi N, Theodoro GT, Siéssere S, et al. Impact of sleep bruxism on masseter and temporalis muscles and bite force. Cranio., 34:309-315, 2016.

Lobbezoo F, Jacobs R, DE Laat A, Aarab G, Wetselaar P, Manfredini D. Chewing on bruxism: associations, consequences and management]. Ned Tijdschr Tandheelkd., 124:369-376, 2017.

de Abreu RA, Pereira MD, Furtado F, Prado GP, Mestriner W Jr, Ferreira LM. Masticatory efficiency and bite force in individuals with normal occlusion. Arch Oral Biol., 59:1065-1074, 2014.

Yoshimi T, Koga Y, Nakamura A, Fujishita A, Kohara H, Moriuchi E, et al. Mechanism of motor coordination of masseter and temporalis muscles for increased masticatory efficiency in mice. J Oral Rehabil., 44:363-374, 2017.

Shimada A, Baad-Hansen L, Svensson P. Effect of experimental jaw muscle pain on dynamic bite force during mastication. Arch Oral Biol., 60:256-266, 2015.

Siéssere S, de Albuquerque Lima N, Semprini M, de Sousa LG, Paulo Mardegan Issa J, Aparecida Caldeira Monteiro S, Cecílio Hallak Regalo S. Masticatory process in individuals with maxillary and mandibular osteoporosis: electromyographic analysis. Osteoporos Int., 20:1847-1851, 2009.

Lavigne GJ, Rompré PH, Montplaisir JY. Sleep bruxism: validity of clinical research diagnostic criteria in a controlled polysomnographic study. J Dent Res.,75:546-552, 1996.

Bortoletto CC, Cordeiro da Silva F, Salgueiro Mda C, Motta LJ, Curiki LM, Mesquita-Ferarri RA, Fernandes KP, Bussadori SK. Evaluation of electromyographic signals in children with bruxism before and after therapy with Melissa Officinalis L-a randomized controlled clinical trial. J Phys Ther Sci., 28:738-742, 2016.

Modesti-Vedolin G, Chies C, Chaves-Fagondes S, Piza-Pelizzer E, Lima-Grossi M. Efficacy of a mandibular advancement intraoral appliance (MOA) for the treatment of obstructive sleep apnea syndrome (OSAS) in pediatric patients: A pilot-study. Med Oral Patol Oral Cir Bucal., 23:e656-e663, 2018.

Shochat T, Gavish A, Arons E, Hadas N, Molotsky A, Lavie P, Oksenberg A. Validation of the BiteStrip screener for sleep bruxism. Oral Surg Oral Med Oral Pathol Oral Radiol Endod., 104:e32-e39, 2007.

Hermens HJ, Freriks B, Disselhorst-Klug C, Rau G. Development of recommendations for SEMG sensors and sensor placement procedures. J Electromyogr Kinesiol., 10:361-374, 2000.

Di Palma E, Tepedino M, Chimenti C, Tartaglia GM, Sforza C. Effects of the functional orthopaedic therapy on masticatory muscles activity. J Clin Exp Dent., 9:e886-e891, 2017.

Alcantara CC, Blanco J, De Oliveira LM, Ribeiro PFS, Herrera E, Nakagawa TH, et al. Cryotherapy reduces muscle hypertonia, but does not affect lower limb strength or gait kinematics post-stroke: a randomized controlled crossover study. Top Stroke Rehabil., 26:267-280, 2019.

Duchateau J, Enoka RM. Human motor unit recordings: origins and insight into the integrated motor system. Brain Res., 1409:42-61, 2011.

De Luca, CJ. The use of surface electromyography in biomechanics. J Appl Biomech., 13:135-163, 1997.

Feine JS, Lund JP. Measuring chewing ability in randomized controlled trials with edentulous populations wearing implant prostheses. J Oral Rehabil., 33:301-308, 2006.

Elsyad MA, Hegazy SA, Hammouda NI, Al-Tonbary GY, Habib AA. Chewing efficiency and electromyographic activity of masseter muscle with three designs of implant-supported mandibular overdentures. A cross-over study. Clin Oral Implants Res., 25:742-748, 2014.

Manfredini D, Lombardo L, Visentin A, Arreghini A, Siciliani G. Correlation Between Sleep-Time Masseter Muscle Activity and Tooth Wear: An Electromyographic Study. J Oral Facial Pain Headache., 33:199-204, 2019.

da Silva N, Verri E, Palinkas M, Hallak J, Regalo S, Siéssere S. Impact of Parkinson's disease on the efficiency of masticatory cycles: Electromyographic analysis. Med Oral Patol Oral Cir Bucal., 24:e314-e318, 2019.

Palinkas M, Borges TF, Junior MT, Monteiro SAC, Bottacin FS, Mestriner-Junior W, et al. Alterations in masticatory cycle efficiency and bite force in individuals with periodontitis. Int J Health Sci (Qassim)., 13:25-29, 2019.

Lindsey A. Lee, Anastasia Karabina, Lindsey J. Broadwell, Leslie A. Leinwand. The ancient sarcomeric myosins found in specialized muscles. Skelet Muscle., 9: 7, 2019.

Komino M, Shiga H. Changes in mandibular movement during chewing of different hardness foods. Odontology., 105:418-425, 2017.

de Rossi M, Palinkas M, de Lima-Lucas B, Santos CM, Semprini M, Oliveira LF, et al. Masticatory muscle activity evaluation by electromyography in subjects with zygomatic implants. Med Oral Patol Oral Cir Bucal., 22:e392-e397, 2017.

Esposto DS, Palinkas M, Gonçalves LMN, Vasconcelos PB, Ferreira VTK, Guirro ECO, et al. Effect of Breast Cancer Treatment on the Stomatognathic System. Braz Dent J., 29:368-373, 2018.

Palinkas M, Cecilio FA, Siéssere S, Borges Tde F, de Carvalho CA, Semprini M, de Sousa LG, et al. Aging of masticatory efficiency in healthy subjects: electromyographic analysis--Part 2. Acta Odontol Latinoam., 26:161-166, 2013.

Lei Y, Suresh NL, Rymer WZ, Hu X. Organization of the motor-unit pool for different directions of isometric contraction of the first dorsal interosseous muscle. Muscle Nerve., 57:E85-E93,2018.

Mohseni Bandpei MA, Rahmani N, Majdoleslam B, Abdollahi I, Ali SS, Ahmad A. Reliability of surface electromyography in the assessment of paraspinal muscle fatigue: an updated systematic review. J Manipulative Physiol Ther., 37:510-521, 2014.


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