The Impact of Orthodontic Treatment on Masticatory Performance: A Literature Review

Zanon, Giovanna; Contardo, Luca; Reda, Bachar

doi:10.7759/cureus.30453

Cited by 7 publications

(6 citation statements)

References 56 publications

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“…In addition, another three (one male and two female) and one female who completed orthodontic treatment showed lower MTP and MOF, and four female subjects who were considering orthodontic treatment showed lower values in one function (two in MOF and two in MTP). The effects of malalignment, malocclusion and orthodontic treatment on oral functions are still lacking, although there were some previous studies that analyzed oral functions before and after orthodontic treatment [33][34][35][36]. Unfortunately, in this study, it was impossible to compare these oral functions between before and after orthodontic treatment because they were not recorded, and most of the subjects who were associated with orthodontic treatment showed normal oral functions.…”

Section: Discussionmentioning

confidence: 92%

“…And it was suggested that the subjects might have lower values in these oral functions before orthodontic treatment. Although some previous studies reported that orthodontic treatment could improve some functions [33][34][35][36], few studies proposed the necessity for oral rehabilitation based on the threshold values. Even though the concept of oral hypofunction was basically proposed to evaluate seven oral functions in the elderly population mainly [8,25], it would be necessary to evaluate these oral functions, and if necessary, oral rehabilitation to enhance their oral functions would be expected.…”

Section: Discussionmentioning

confidence: 99%

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An observational study of oral functions in patients aged from 20 to 49 years

Yoshioka,

Ogino,

Kawasaki

et al. 2024

J Oral Sci

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Purpose:The purpose of this study was to analyze oral functions (MOF: maximum occlusal force; MTP: maximum tongue pressure; and MF: masticatory function) in Eichner A subjects aged from 20 to 49 years. Methods: The data of three oral functions in Eichner A patients aged from 20 to 49 years were extracted. The mean values, subjects with lower values than the thresholds, and the differences among ages, and between sexes were investigated retrospectively. Results: Although the mean values of these oral functions in 183 subjects were higher than the thresholds, the numbers of the subjects with lower values than the thresholds were 30 in MTP, 19 in MOF, and only three in MF. No significant effects of ages on all oral functions were identified and all functions in males were significantly higher than those in females. The subjects whose two functions were lower than the thresholds were nine females, eight of whom were associated with malalignment. Conclusion:Although the mean values of oral functions were higher than the thresholds, some patients showed lower values, especially in MOF and MTP, even though they were unaware of any inconvenience. Patients with malalignment might be associated with declined oral functions.

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Section: Discussionmentioning

confidence: 92%

Section: Discussionmentioning

confidence: 99%

An observational study of oral functions in patients aged from 20 to 49 years

Yoshioka,

Ogino,

Kawasaki

et al. 2024

J Oral Sci

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“… 5 , 6 Since chewing is considered an important step in the beginning of the digestive process, and considering the aesthetic and functional factors of the patients, it is necessary to choose appropriate treatments. 7 Therefore, considering the importance of the subject, studies should reach a consensus to provide sufficient evidence in this field. The present systematic review and meta-analysis study aimed to evaluate masticatory performance and quality of life before and after orthodontic treatment.…”

Section: Ethical Publication Statementmentioning

confidence: 99%

Masticatory performance and oral health related to quality of life before and after orthodontic treatment: a systematic review and meta-analysis

Sabzevari,

Fatemi,

Soleimani

et al. 2024

Eur J Transl Myol

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Masticatory performance is considered an important step in the beginning of the digestive process and considering the patient’s aesthetic and functional factors, it is necessary to choose appropriate treatments. Based on the evidence during orthodontic treatment, the restoration of the physiological function of masticatory performance should not be neglected. The present study aimed to evaluate the association between orthodontic treatment and improved masticatory performance and oral health related to quality of life. In the present study, all articles published till the end of August 2023 were extracted by two trained researchers independently through a search in databases like PubMed, Scopus, Science Direct, ISI, Web of Knowledge, Elsevier, Wiley, and Embase, and Google Scholar search engine using keywords and their combinations. Data analysis was done using the fixed effects model in a meta-analysis, by STATA (version 17); a P-value of less than 0.05 was considered significant. Based on the results, the mean difference in masticatory performance between pre-treatment and post-treatment was 2.23 (MD: 2.23; 95CI, 2.17, 2.29. p<0.01; I2= 99.98%; p<0.01). The mean difference in oral health related to quality of life between pre-treatment and post-treatment was -32.23 (MD: -32.23; 95CI, -33.35, -31.11. p<0.01; I2= 97%; p<0.01). Orthodontic treatment had a positive effect on masticatory performance and improved the quality of life of patients after treatment.

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“…Convex profile patients with Angle Class II Division 1 malocclusion may have functional problems, such as traumatic occlusion or reduced masticatory efficiency [ 9 ], but the main reason for seeking orthodontic treatment is the improvement of facial appearance [ 10 ]. Considering patient satisfaction, the success of orthodontic treatment with or without additional orthognathic treatment is primarily determined by the perceived improvement of facial appearance [ 11 , 12 ].…”

Section: Introductionmentioning

confidence: 99%

Perceived Effects of Orthognathic Surgery versus Orthodontic Camouflage Treatment of Convex Facial Profile Patients

Psomiadis,

Gkantidis,

Sifakakis

et al. 2023

JCM

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Increased facial profile convexity has a common occurrence in the population and is a primary reason for seeking orthodontic treatment. The present study aimed to compare the perceived changes in facial profile appearance between patients treated with combined orthognathic/orthodontic treatment versus only orthodontic camouflage treatment. For this reason, 18 pairs of before- and after-treatment facial profile photos per treatment group (n = 36 patients) were presented to four types of assessors (surgeons, orthodontists, patients, laypeople). Ratings were recorded on 100 mm visual analogue scales depicted in previously validated questionnaires. All rater groups identified minor positive changes in the facial profile appearance after exclusively orthodontic treatment, in contrast to substantial positive changes (14% to 18%) following combined orthodontic and orthognathic surgery. The differences between the two treatment approaches were slightly larger in the lower face and the chin than in the lips. The combined orthodontic and orthognathic surgery interventions were efficient in improving the facial appearance of patients with convex profile, whereas orthodontic treatment alone was not. Given the significant influence of facial aesthetics on various life aspects and its pivotal role in treatment demand and patient satisfaction, healthcare providers should take these findings into account when consulting adult patients with a convex facial profile.

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The Impact of Orthodontic Treatment on Masticatory Performance: A Literature Review

Cited by 7 publications

References 56 publications

An observational study of oral functions in patients aged from 20 to 49 years

An observational study of oral functions in patients aged from 20 to 49 years

Masticatory performance and oral health related to quality of life before and after orthodontic treatment: a systematic review and meta-analysis

Perceived Effects of Orthognathic Surgery versus Orthodontic Camouflage Treatment of Convex Facial Profile Patients

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