Bite force assessment before and after orthognathic surgery in individuals with repaired cleft lip and palate

Bueno, Patricia Martins; Trindade, Paulo Alceu Kiemle; Medeiros, Laís Hollara; Silva, Mariana Mendes; Scomparin, Leandro; Garcia-Usó, Michele; Trindade‐Suedam, Ivy Kiemle

doi:10.1016/j.jobcr.2020.12.005

Cited by 6 publications

(4 citation statements)

References 15 publications

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“…Several studies have evaluated the functioning of the stomatognathic system through BF and its relation with gender, occlusion, presence of CL/P, presence of prosthetics, presence of temporomandibular disorders, among others. 9,10,14–17 However, as far as we know, there are no previous published studies evaluating BF in a group of individuals with TCS, besides the study by Ortega et al 14 In this case report, BF was assessed in one young adult and it was found that the BF in the molar region corresponded to 224 N and, in the I region, 65 N. These values are close to those found by the present study and are smaller to those found by Palinkas et al 9 for a control population, reinforcing our hypothesis that the masticatory function is impaired in the individuals with TCS.…”

Section: Discussionmentioning

confidence: 91%

Bite Force, Masticatory Performance, and Nutritional Status of Adult Individuals With Treacher Collins Syndrome

Medeiros

Barros

Silva

et al. 2022

The Cleft Palate Craniofacial Journal

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Objective To characterize the stomatognathic system of individuals with Treacher Collins syndrome (TCS) by assessing bite force (BF) and masticatory performance (MP) and to evaluate the nutritional status (NS) of this population through anthropometric measurements. Design Cross-sectional study. Setting A public tertiary care hospital. Patients Forty-one individuals were divided into 2 groups: (1) Control (CON): 20 control adults with class I skeletal pattern and (2) TCS: 21 adults with TCS. Interventions BF measurement was assessed using a gnathodynamometer (IDDK Kratos). MP assessment was done using Image J-NIH software, by calculating the particles size of food submitted to standard chewing cycles ). NS was assessed based on body mass index (BMI). Main Outcome Measures Based on the craniofacial dysmorphology, it is our hypothesis that this population present a dysfunctional masticatory system, which can negatively impact NS. Results Means BF values for the TCS were significantly reduced when compared with the CON group and corresponded to 170.9 ± 109.4N and 431.6 ± 134.1N (right molar [RM]) and 171.2 ± 93.9N and 427.4 ± 147.8N (left molar [LM]), respectively ( P < .05). Although no significant differences were observed, the mean particle size of the TCS was greater when compared with the CON group and corresponded to 1.58 ± 1.93 mm2 and 0.66 ± 0.52 mm2, respectively. Although statistically similar mean values of BMIs were observed on both groups (CON = 23.4 ± 4.7/TCS = 23.4 ± 6.1), underweight and overweight individuals were found in 48% of the individuals with TCS and in 15% of the CON group participants. Conclusion Individuals with TCS showed a significant BF reduction, but no differences were observed in MP and NS when compared with the control individuals.

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Section: Discussionmentioning

confidence: 91%

Bite Force, Masticatory Performance, and Nutritional Status of Adult Individuals With Treacher Collins Syndrome

Medeiros

Barros

Silva

et al. 2022

The Cleft Palate Craniofacial Journal

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“…Also, the so-called IDDK (force transducer with a load fork) has found wide application. It was successfully used in many studies to analyze bite force, and can measure forces up to 1 kN [13,20]. These state-of-the-art bite force sensors use a range of techniques and designs.…”

Section: Discussionmentioning

confidence: 99%

“…Depending on the effect used to convert force information into interpretable signals, force sensors are divided into converters that utilize the piezoresistive effect, piezoelectric effect, strain gauge converters, pressure detectors, and pressure-sensitive thin films [13]. In addition to these types of force sensors, capacitive force sensors are also commonly used [14,[18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Edible Bite Force Sensor: A Novel Approach to Measuring Bite Force in Biomedical and Dental Applications

Milić,

Kojić,

Qureshi

et al. 2024

Med Sci Monit

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Background Measurement of bite force plays a crucial role in assessment of the masticatory system. With a growing interest in detecting occlusal irregularities, bite force sensors have garnered attention in the biomedical field. This study aimed to introduce a hydrogel bite force sensor, based on hydroxyethyl-cellulose-fructose-water (HEC-F-water), for premolar and molar teeth, and to evaluate it using optical profilometry, infrared spectroscopy (FTIR), and Instron Tension testing system, with 2.5 cm (1 inch) margins at top, bottom, right, and left. Material/Methods We fabricated 20 HEC-F-water hydrogel samples sized with surface of 1×1 cm, with 2 different widths – 1 mm and 5 mm. The samples were characterized using optical profilometry and FTIR and their electrical characteristics were determined using an impedance analyzer. Aluminum (Al) electrodes, fabricated using Cutting Plotter, were used to form a HEC-F-water-based transducer, which was used for bite force sensing. The Instron tensile testing system was employed, utilizing 3D printed models of the upper and lower jaw, to simulate biting. Forces in the range between 40 N and 540 N were exerted upon the transducer, and the output change in the electrical signal was measured. Results The study determined the transfer function between bite force and capacitance. The fabricated sensor exhibited a sensitivity of 3.98 pF/N, an input range of 500 N, output range of 2 nF, and accuracy of 95.9%. Conclusions This study introduces an edible bite force sensor employing an edible hydrogel as a dielectric, presenting a novel avenue in the development of edible sensorics in dentistry.

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“…As cirurgias primárias de lábio e palato realizadas durante a infância favorecem a formação normal da fala, oclusão, estética facial e autoestima. Um dos possíveis efeitos negativos destas precoces intervenções cirúrgicas é a significativa restrição do crescimento maxilar, causando alterações secundárias nos maxilares, dentição e nas vias aéreas superiores (VAS) (Bueno et al, 2021;Medeiros-Santana et al, 2019).…”

Section: Introductionunclassified

Relação da movimentação esquelética cirúrgica com as alterações das vias aéreas superiores em pacientes com fissura labiopalatina

Carvalho¹

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Relação da movimentação esquelética cirúrgica com as alterações das vias aéreas superiores em pacientes com fissura labiopalatinaNota: A versão original desta dissertação/tese encontra-se disponível no Serviço de Biblioteca e Documentação da Faculdade de Odontologia de Bauru -FOB/USP. FOLHA DE APROVAÇÃO DEDICATÓRIA Dedico esta dissertação a minha mãe, Lúcia Rosa Reis de Araújo Carvalho, pioneira no tratamento da fissura labiopalatina no estado do Piauí e fundadora da Associação Piauiense dos Fissurados Lábio-palatinos (FUNLÁBIO), que através do HOSPITAL SÃO MARCOS (APCC-AA) e da CASA SORRISO (Centro de apoio ao fissurado) proporciona serviço reabilitador de qualidade, abrigando pacientes carentes provenientes de outras localidades em vigência de tratamento. Dedico também a todos os profissionais e pacientes envolvidos por esta nobre causa. AGRADECIMENTOS Agradeço, primeiramente, à minha mãe, Lúcia Rosa Reis de Araújo Carvalho, por ser a principal responsável por plantar a paixão pela Cirurgia e Traumatologia Buco-Maxilo-Facial e ser a maior fonte de inspiração pessoal e profissional. Ao meu pai Marcos Vinícius de Araújo Carvalho, por toda disciplina na formação do meu caráter como um homem justo e correto. Ao meu irmão Marcius Vinícius Reis de Araújo Carvalho, companheiro de toda a vida, que também me inspira na arte de ensinar. A minha amada Maria Clara Lima Briseno, por me apoiar em todas as escolhas que fiz, inclusive a de vir para tão longe em busca dos sonhos. A todos os colegas de universidade, seja da UFPI, do HRAC-USP ou da FOB-USP, por todos os momentos compartilhados. Aos professores e orientadores da CTBMF e Ortodontia que ajudaram a construir minha trajetória acadêmica, em especial ao Prof. Dr. Leonard Euler Andrade Gomes do Nascimento (in memoriam), orientador da especialização em Ortodontia da UFPI, exemplo de mestre, sempre solícito e disposto a ajudar; um verdadeiro modelo a ser seguido. Meu profundo agradecimento ao meu orientador de mestrado, Dr. Renato Yassutaka Faria Yaedú, que além de guiar a presente dissertação, também me fez enxergar, com outros olhos, vários aspectos importantes da vida, contribuindo não só para meu aperfeiçoamento intelectual, como também moral e social. A equipe de pós-graduandos do Prof. Dr. Renato Yassutaka Faria Yaedú, meus queridos colegas Isabela, Bruno, João, Bharbara, Lígia e Arturo por juntos termos caminhado e trabalhado em harmonia. A CAPES, agência financiadora que tornou possível minha estadia na cidade de Bauru-SP, com o número do processo 88887.606395/2021-00 através do Programa de Demanda Social. Sem este auxílio, seria extremamente difícil me dedicar com afinco ao programa de pós. Aos funcionários do HRAC-USP e da FOB-USP, por sempre me receber muito bem nas dependências da universidade. Por fim, aos pacientes que gentilmente concordaram em compartilhar um pouco das suas histórias de vida em prol do conhecimento científico.

show abstract

Bite force assessment before and after orthognathic surgery in individuals with repaired cleft lip and palate

Cited by 6 publications

References 15 publications

Bite Force, Masticatory Performance, and Nutritional Status of Adult Individuals With Treacher Collins Syndrome

Bite Force, Masticatory Performance, and Nutritional Status of Adult Individuals With Treacher Collins Syndrome

Edible Bite Force Sensor: A Novel Approach to Measuring Bite Force in Biomedical and Dental Applications

Relação da movimentação esquelética cirúrgica com as alterações das vias aéreas superiores em pacientes com fissura labiopalatina

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