2021
DOI: 10.1016/j.ajodo.2021.02.017
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Dentoskeletal comparison of miniscrew-anchored maxillary protraction with hybrid and conventional hyrax expanders: A randomized clinical trial

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Cited by 16 publications
(21 citation statements)
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“…For this trial, eligibility included (i) children of both sexes, (ii) in the late mixed or early permanent dentition, (iii) aged 9.0 to 13.0 years of age, (iv) having skeletal Class III malocclusion with maxillary deficiency (Wits appraisal of less than −1 mm), (v) having anterior crossbite or incisor edge-to-edge relationship, (vi) without previous orthodontic treatment, and (vi) without systemic disease or syndromes. A total of 80 children (32 girls, 48 boys) with an average age of 11.1 years (Standard Deviation [SD] 1.1 year) were ultimately included and randomised on a 1:1 basis to maxillary protraction with either a hybrid-protraction protocol (a hybrid expander anchored on 2 midpalatal miniscrews and 2 mandibular miniscrews positioned bilaterally distally to the permanent canines ( Miranda et al 2021 ); group 1) or a control group (group 2) with a conventional dentally anchored expander in the maxilla ( Mandall et al 2010 ) that has shown good results in the short- ( Mandall et al 2012 ) and long-term ( Mandall et al 2016 ).…”
Section: Theoretical Scenariomentioning
confidence: 99%
See 1 more Smart Citation
“…For this trial, eligibility included (i) children of both sexes, (ii) in the late mixed or early permanent dentition, (iii) aged 9.0 to 13.0 years of age, (iv) having skeletal Class III malocclusion with maxillary deficiency (Wits appraisal of less than −1 mm), (v) having anterior crossbite or incisor edge-to-edge relationship, (vi) without previous orthodontic treatment, and (vi) without systemic disease or syndromes. A total of 80 children (32 girls, 48 boys) with an average age of 11.1 years (Standard Deviation [SD] 1.1 year) were ultimately included and randomised on a 1:1 basis to maxillary protraction with either a hybrid-protraction protocol (a hybrid expander anchored on 2 midpalatal miniscrews and 2 mandibular miniscrews positioned bilaterally distally to the permanent canines ( Miranda et al 2021 ); group 1) or a control group (group 2) with a conventional dentally anchored expander in the maxilla ( Mandall et al 2010 ) that has shown good results in the short- ( Mandall et al 2012 ) and long-term ( Mandall et al 2016 ).…”
Section: Theoretical Scenariomentioning
confidence: 99%
“…Data are based off a recent publication ( Miranda et al 2021 ), but the sample has been doubled, and here only the outcome of length of the skeletal maxilla (Condylion (Co)-A point) from lateral cephalograms is analysed before and after treatment ( Table 1 ).…”
Section: Theoretical Scenariomentioning
confidence: 99%
“…También es importante analizar antes de colocar los mini implantes la calidad y cantidad de hueso disponible y cantidad de mucosa queratinizada extensa en el paladar anterior para una mejor estabilidad de los mini mplantes al momento de las activaciones (Fig. 2) (Miranda et al, 2021).…”
Section: Figuraunclassified
“…Similares resultados fueron encontrados por An et al ( 2021), en pacientes en edades de 18 años, 21 con hyrax convencional y 21 con hyrax híbrido, a los dos grupos se realizó el mismo protocolo de activación, comparó el hyrax híbrido y hyrax convencional determinando que el ancho de la corona inter molar era el mismo en los dos tipos de expansores (5,5 mm), sin embargo, al comparar el ancho nasal, el ancho maxilar y el ancho a nivel de la raíz de los molares fue mayor en el hyrax híbrido. Similares resultados se observaron en el estudio realizado por Garib et al (2021), observó que los anchos maxilares luego de una expansión con un hyrax hibrido era mayor al que se obtuvo con el hyrax convencional, pero a nivel dental se expresaban de manera similar (Miranda et al, 2021).…”
Section: Metodologíaunclassified
“…The hybrid hyrax expander did not cause changes in the buccal bone plate thickness of the maxillary rst premolars [12]. However no standardization in the amount of screw activation was performed between groups [13].…”
Section: Introductionmentioning
confidence: 96%