Phonetic analysis during treatment with rapid maxillary expander

Biondi, E; Bandini, Andrea; Lombardo, Luca; Orlandi, Silvia; Manfredi, Claudia

doi:10.1111/ocr.12136

Cited by 11 publications

(32 citation statements)

References 25 publications

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“…According to systematic reviews published in recent years, scientific evidence on RPE is basically limited to the assessment of the effects of orthodontic expanders on hard and soft tissues of the stomatognathic system [22][23][24][25]. Researchers have not fully explored the impact of these interventions on the quality of life of individuals [11,14]. Orthodontic interventions should be not only efficacious in treating malocclusion, but they should also cause minimal pain and minimal impact on patients' quality of life [26].…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…A comparative study introduced another tooth-borne expander; the two-arm Hyrax, with improvement of the dental anchorage including anterior extension of the arms bilaterally and contour of the palatal surfaces of the premolars [ 14 ]. It has been demonstrated that the two-arm Hyrax provokes less speech impairment than the four-arm Hyrax during RPE [ 14 ]. Orthodontic suppliers have provided a reduced volume jackscrew with two arms which allows one to manufacture the 2-arm tooth-borne expander with extended anchorage on the premolars that could be recognized as the Mini Hyrax.…”

Section: Introductionmentioning

confidence: 99%

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Mini Hyrax vs Hyrax expanders in the rapid palatal expansion in adolescents with posterior crossbite: a randomized controlled clinical trial

et al. 2021

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Purpose The aim of this study was to compare the dental effects, impact on quality of life, and pain perception of adolescents wearing Mini Hyrax and Hyrax expanders in rapid palatal expansion. Methods Thirty-four adolescents aged 11 to 16 years, with maxillary transverse deficiency (unilateral or bilateral posterior crossbite), were randomly allocated into two groups, Mini Hyrax group and Hyrax group (1:1 ratio). Dental effects were evaluated by digitally superimposed pretreatment and postretention three-dimensional intraoral scans on the palatal rugaes using the software 3DSlicer. Impact on quality of life was assessed with the OHIP-14 questionnaire applied in the pretreatment, posttreatment and postretention. Visual analog scale was applied 24, 48, and 72 h and 7 days after the first activation of the expander. Results Thirty of the 34 adolescents recruited completed the study. There were no statistically significant differences in dentoalveolar effects between groups. OHIP-14 scores across time among Mini Hyrax wearers were similar to those of the Hyrax wearers. The inter-group comparisons showed no difference between groups with respect to the OHIP-14 scores in posttreatment and postretention (p > 0.05). There were no differences in pain perception between groups. Considering intra-group comparison, the reduction in pain perception among adolescents in the Mini Hyrax group was gradual. Among adolescents in the Hyrax group, a statistically significant reduction between 48 and 72 h was observed. Conclusion There were no significant differences in dental effects, impact on quality of life and pain perception between adolescents wearing Mini Hyrax and Hyrax expanders in rapid palatal expansion.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Mini Hyrax vs Hyrax expanders in the rapid palatal expansion in adolescents with posterior crossbite: a randomized controlled clinical trial

et al. 2021

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“…They found that rapid palatal expansion causes a slight phonetic change in the acoustical parameters of both consonants and vowels. During therapy, the two-arm Hyrax caused less speech impairment than the four-arm Hyrax [29]. Interestingly, on the other hand, Yurttadur, et al [30] in their controlled clinical study, found no statistically significant differences between the treatment and control groups among all voice parameters.…”

Section: Impact Of Rapid Palatal Expanders On Speech Sound Productionmentioning

confidence: 89%

“…In another study conducted by Biondi, et al [29] the authors examined possible changes in phonetics induced by rapid palatal expanders. Thirty-five patients (aged 7-14 years, mean 9.3 ± 2.3 years), scheduled for rapid palatal expansion, were divided into two groups: Banded two-arm Hyrax and banded four-arm Hyrax.…”

Section: Impact Of Rapid Palatal Expanders On Speech Sound Productionmentioning

confidence: 99%

Rapid Palatal Expanders: A Review of Their Impact on Speech Sound Production

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K³

et al. 2020

Int J Oral Dent Health

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with the proper tongue to palate contact required for normal speech sound production. This article will briefly review the impact that rapid palatal expanders have on speech sound production and development in children and early adolescents who had such an orthodontic intervention. The introductory report includes a brief illustration about sound categories (consonants and vowels), sound analysis, and overview of rapid palatal expanders before reviewing the impact of palatal expanders on speech sound production. Sound categories and speech analysisSpeech production is controlled and regulated by over 100 muscles distributed through the chest, abdomen, head and neck. The creation of speech production involves three main functional systems: Respiratory, laryngeal, and supra-laryngeal. Spoken word in its original form is generated by air pressure variations [2]. Air flows from the larynx to the supra-laryngeal system and is acted on by one of the moving structures called articulators [3].Sounds in American English could be grouped into two categories: Consonants and vowels. Consonants are differentiated from vowels based on the extent to which the articulators cause airway constriction. That results in much more consonant articulation defects than vowels [4]. The consonant articulation is categorized into three basic dimensions, according to Bloodstein: Place, manner, and voice [4].

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