Chewing and its influence on swallowing, gastrointestinal and nutrition-related factors: a systematic review

Kumar, Abhishek; Almotairy, Nabeel; Merzo, Juliana Jomaa; Wendin, Karin; Rothenberg, Elisabet; Grigoriadis, Anastasios; Sandborgh‐Englund, Gunilla; Trulsson, Mats

doi:10.1080/10408398.2022.2098245

Cited by 10 publications

(11 citation statements)

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“…However, treatment of edentulous people with the complete maxillary denture and mandibular implant‐supported prostheses increases the intake and ability to chew raw, hard and fibrous food 44 . A recent systematic review suggested that although chewing function is an important ‘contributor’ to nutritional‐related factors, the certainty of the evidence is ‘moderate’ to ‘very low’ 45 . To what extent the nutritional status among people with bimaxillary implant‐supported fixed prostheses is influenced, perhaps needs to be evaluated in future studies.…”

Section: Discussionmentioning

confidence: 99%

“…However, the results of the study are important because the routine oral rehabilitation procedures do not evaluate the masticatory function after the treatment procedures or during follow‐up. Since chewing function may potentially influence the food choices, eating habits or supply of key ingredients responsible for proper nourishments and is an important contributor to nutritional status 45 . It is suggested that a clear understanding of masticatory function during prosthodontic procedures may help us focus on functional rehabilitation rather than structural restoration.…”

Section: Discussionmentioning

confidence: 99%

“… 44 A recent systematic review suggested that although chewing function is an important ‘contributor’ to nutritional‐related factors, the certainty of the evidence is ‘moderate’ to ‘very low’. 45 To what extent the nutritional status among people with bimaxillary implant‐supported fixed prostheses is influenced, perhaps needs to be evaluated in future studies. Also, as mentioned above, implant‐supported fixed prostheses are assumed to be state‐of‐the‐art treatment for edentulous people.…”

Section: Discussionmentioning

confidence: 99%

“…Since chewing function may potentially influence the food choices, eating habits or supply of key ingredients responsible for proper nourishments and is an important contributor to nutritional status. 45 It is suggested that a clear understanding of masticatory function during prosthodontic procedures may help us focus on functional rehabilitation rather than structural restoration.…”

Section: Discussionmentioning

confidence: 99%

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Subjective and objective evaluation of masticatory function in patients with bimaxillary implant‐supported prostheses

Homsi

Karlsson

Almotairy

et al. 2022

J of Oral Rehabilitation

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Background: People perform poorly in masticatory function tests despite wellfunctioning prostheses. However, it is unclear whether there is an agreement between subjective and objective measures of mastication. Objectives:To investigate the association between subjective and objective measures of masticatory function in patients with bimaxillary implant-supported prostheses.Materials and Methods: An experimental group (n = 25, age = 70.6 ± 7.5 years, eight women) with bimaxillary implant-supported fixed prostheses and a control group (n = 25, age = 69.0 ± 5.3, 13 women) with natural dentition were recruited. The participants in the experimental group were included if they had been using the prosthesis for at least a year and had no obvious complaints with their prostheses. The control group was people with natural dentition and without any prostheses or complaints related to the masticatory system. The masticatory function was evaluated objectively with food comminution and mixing ability tests, and subjectively with jaw function limitation scale (JLFS) and oral health impact profile (OHIP). Results:The experimental group performed poorly in both objective tests (p < .001).However, there was no significant differences between the two groups in total JFLS (p = .114) and OHIP (p = .312) scores. Though, there were certain positive correlations between the food comminution test and JFLS subdomains in the control group, and a positive correlation between food comminution test and specific subdomains of OHIP in the experimental group indicating poor correlation between the subjective and objective measures. Conclusion:Although patients with implant prostheses show poor masticatory performance, there is no agreement in the objective and subjective measures of mastication.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

Subjective and objective evaluation of masticatory function in patients with bimaxillary implant‐supported prostheses

Homsi

Karlsson

Almotairy

et al. 2022

J of Oral Rehabilitation

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“…According to numerous studies, the stomatognathic system may be hampered by age, gender, and some systemic conditions, including postural abnormalities, diabetes, osteoporosis, cardiovascular and respiratory disorders, dietary alterations, or stroke [ 5 , 6 , 7 , 8 , 9 , 10 , 11 ]. However, several studies, such as [ 10 , 12 ], focused on connecting the central nervous system (CNS) and the stomatognathic system.…”

Section: Introductionmentioning

confidence: 99%

Synchronous Muscle Synergy Evaluation of Jaw Muscle Activities during Chewing at Different Speeds, a Preliminary Study

Allami Sanjani,

Tahami,

Veisi

2023

Brain Sciences

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Human mastication is a complex and rhythmic biomechanical process regulated by the central nervous system (CNS). Muscle synergies are a group of motor primitives that the CNS may combine to simplify motor control in human movement. This study aimed to apply the non-negative matrix factorization approach to examine the coordination of the masticatory muscles on both sides during chewing. Ten healthy individuals were asked to chew gum at different speeds while their muscle activity was measured using surface electromyography of the right and left masseter and temporalis muscles. Regardless of the chewing speed, two main muscle synergies explained most of the muscle activity variation, accounting for over 98% of the changes in muscle patterns (variance accounted for >98%). The first synergy contained the chewing side masseter muscle information, and the second synergy provided information on bilateral temporalis muscles during the jaw closing. Furthermore, there was robust consistency and high degrees of similarity among the sets of muscle synergy information across different rate conditions and participants. These novel findings in healthy participants supported the hypothesis that all participants in various chewing speed conditions apply the same motor control strategies for chewing. Furthermore, these outcomes can be utilized to design rehabilitation approaches such as biofeedback therapy for mastication disorders.

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Temporalis Muscle Changes Following Botulinum Toxin A Injections in Masseter Hypertrophy Patients: A Randomized Triple-Blinded Trial

de Souza Nobre,

de Oliveira Resende Machado,

Poluha

et al. 2024

Aesth Plast Surg

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Background This study aimed to elucidate the effects of botulinum toxin A (BoNT-A) treatment for patients diagnosed with masseter hypertrophy on the temporalis muscle, with a particular focus on assessing alterations in muscle thickness, electromyographic (EMG) activity, and the development of muscle pain. Methods The present randomized triple-blinded clinical trial enrolled 26 female participants aged between 25 and 50 years complaining about masseter hypertrophy. Participants received 75U of BoNT-A (abobotulinumtoxinA) in both masseter muscles and after three months were randomized to receive a second treatment session of saline solution (S-BoNT-A) or BoNT-A (M-BoNT-A). Longitudinal assessments included temporalis muscle thickness through ultrasound, EMG activity, subjective pain, and masseter prominence severity after one, three, and six months of the first injection session. Muscle thickness, EMG, and subjective pain were analysed using two-way ANOVA with repeated measures and post hoc Sidak test, and for masseter prominence severity, Friedman and Mann–Whitney tests were used. Results Regarding inter-group comparisons, a higher muscle thickness (p < 0.02) and a higher EMG activity (p < 0.01) were found in the M-BoNT-A group at the 6-month follow-up. For subjective pain assessments, inter-group comparisons showed a higher prevalence of painful regions in M-BoNT-A group at the 6-month follow-up (p < 0.02). No significant differences were found in masseter prominence severity at the 6 months assessment between groups. Conclusion BoNT-A treatment for masseter hypertrophy lead to structural and functional changes in the temporalis muscle, presenting higher changes after multiple injections of this treatment. Level of Evidence I This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

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Chewing and its influence on swallowing, gastrointestinal and nutrition-related factors: a systematic review

Cited by 10 publications

References 123 publications

Subjective and objective evaluation of masticatory function in patients with bimaxillary implant‐supported prostheses

Subjective and objective evaluation of masticatory function in patients with bimaxillary implant‐supported prostheses

Synchronous Muscle Synergy Evaluation of Jaw Muscle Activities during Chewing at Different Speeds, a Preliminary Study

Temporalis Muscle Changes Following Botulinum Toxin A Injections in Masseter Hypertrophy Patients: A Randomized Triple-Blinded Trial

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