Dental arch size and shape after maxillary expansion in bilateral complete cleft palate:<i>A comparison of three expander designs</i>

Pugliese, Fernando; Palomo, Juan Martín; Calil, Louise Resti; Alves, Arthur de Medeiros; Lauris, José Roberto Pereira; Garib, Daniela Gamba

doi:10.2319/020219-74.1

Cited by 13 publications

(11 citation statements)

References 38 publications

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“…A previous study reported that the Hyrax expander did not produce a change in arch shape. 8 However, that study was conducted in patients with bilateral complete cleft lip and palate, which might explain the discrepancy.…”

Section: Discussionmentioning

confidence: 93%

“…Arch size and shape were measured using the software Stratovan Checkpoint (Stratovan Corporation, Davis, Calif) and MorphoJ (Klingenberg Lab, Manchester, UK) according to a previous study (Figures 4C; Figure 5). 8 Digital dental models were imported into the Stratovan Checkpoint software. Fourteen landmarks were placed on both T1 and T2 dental models (Figure 4C).…”

Section: Discussionmentioning

confidence: 99%

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Orthopedic outcomes of hybrid and conventional Hyrax expanders:

Garib¹,

Miranda²,

Palomo³

et al. 2021

The Angle Orthodontist

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Objectives To compare the effects of a hybrid miniscrew-supported expander versus a conventional Hyrax (CH) expander in growing patients. Materials and Methods Forty patients were randomized into two groups: a hybrid Hyrax (HH) expander group using a Hyrax expander with two miniscrews and a CH expander group. The final sample had 18 subjects (8 female, 10 male; initial age of 10.8 years) in the HH group and 14 subjects (6 female, 8 male; initial age of 11.4 years) in the CH group. Cone-beam computed tomography examinations and digital dental models were obtained before expansion and 11 months postexpansion. The primary outcomes included the orthopedic transverse effects of expansion. Intergroup comparison was performed using analysis of covariance (P < .05). Results Significantly greater increases in the nasal cavity width, maxillary width, and buccal alveolar crest width were found for the HH group. No intergroup differences were observed for dental arch width or shape changes. Conclusions The HH group showed greater increases in the nasal cavity width, maxillary width, and buccal alveolar crest width. No differences were observed for intermolar, interpremolar, or intercanine widths; arch length; or arch perimeter. Arch size and shape showed similar changes in both groups.

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Section: Discussionmentioning

confidence: 93%

Section: Discussionmentioning

confidence: 99%

Orthopedic outcomes of hybrid and conventional Hyrax expanders:

Garib¹,

Miranda²,

Palomo³

et al. 2021

The Angle Orthodontist

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“…21 To provide a visual representation of the treatment changes in the dental arch shape, an evaluation based on the centroid size and location was performed. 14,30,31 Slight changes were noticed for the secondary outcomes in both groups without intergroup differences (Table 2). The arch perimeter decrease in both groups might have been attributed to natural changes in the late mixed dentition, such as mesial movement of the maxillary molars into the Leeway space.…”

Section: Discussionmentioning

confidence: 93%

“…A total of 14 landmarks on the occlusal surface of the maxillary teeth were used to access arch measurements on the T1 and T2 digital dental models (Figure 1D). 14,15 Maxillary incisor leveling and mesiodistal angulation were assessed using 3DSlicer software (www.slicer.org) (Figure 2).…”

Section: Evaluationsmentioning

confidence: 99%

Comparison between clear aligners and 2 × 4 mechanics in the mixed dentition: a randomized clinical trial

Silva¹,

Ayub²,

Massaro³

et al. 2022

The Angle Orthodontist

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Objectives To compare the efficacy and efficiency between clear aligners and 2 × 4 fixed appliances for correcting maxillary incisor position irregularities in the mixed dentition. Materials and Methods The sample comprised 32 patients from 7 to 11 years of age randomly allocated into two parallel treatment groups: the clear aligners group, 14 patients (6 girls, 8 boys) with a mean initial age of 9.33 years (standard deviation [SD] = 1.01) treated with clear aligners; and the fixed appliances group, 13 patients (9 girls, 4 boys) with a mean initial age of 9.65 years (SD = 0.80) treated with partial (2 × 4) fixed appliances. Digital models were acquired before treatment and after appliance removal. Primary outcomes were incisor irregularity index and treatment time. Secondary outcomes were arch width, perimeter, length, size and shape, incisor leveling, incisor mesiodistal angulation, plaque index, and white spot lesion formation (International Caries Detection and Assessment System index). Intergroup comparisons were evaluated using t-tests or Mann-Whitney U-tests with Holm-Bonferroni correction (P < .05). Results Treatment time was approximately 8 months in both groups. No intergroup differences were observed for changes in any of the variables. Similar posttreatment arch shapes were observed in both groups. Conclusions Clear aligners and 2 × 4 mechanics displayed similar efficacy and efficiency for maxillary incisor position corrections in the mixed dentition. The choice of appliance should be guided by clinician and family preference.

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“…les méta-analyses, les essais contrôlés randomisés et non randomisés, les études cas témoins et les études prospectives et rétrospectives.les études dont le traitement du déficit transversal ScienceDirect : 384 publications et EBSCOhost :424 publications. Après avoir exclu 9 articles répétés, tous les titres et les résumés ont été lus et ceux ne répondant pas aux critères d'inclusion ont été éliminés, 12 articles ont été présélectionnés, dont huit(8) avec disponibilité du texte intégral ont été retenus pour la présente revue systématique. Le processus de sélection est illustré dans le diagramme de Flux(Fig.1)…”

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The Effectiveness of Maxillary Expansion in Wearers of Cleft Lip and Palate

et al. 2021

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Introduction: Cleft Lip and Palate (CLAP) is one of the most frequent craniofacial anomalies. The management of patients with CLAP requires several repair procedures for the soft palate, the primary and secondary bony palate, the alveolar ridge, the lips and the nose. These patients often present with a maxillary transverse deficit responsible for maxillary endognathy which must be corrected for a harmonious development of the maxillomandibular complex. The objective of our work was to evaluate the efficacy of slow, rapid and surgical maxillary expansion in patients with sequelae of CLAP following a systematic review protocol. Materials and methods: Four databases were searched: PubMed / MEDLINE, ScienceDirect, Cochrane Library and EBSCOhost, using the keywords present in the MeSH according to the equation [Maxillary expansion] AND [Cleft lip and palate]. The selection of articles included all studies published since January 2010 and for which the full text is available, such as meta-analyzes, randomized and non-randomized controlled clinical trials, case-control studies and prospective and retrospective studies. Results: Among 1107 references only 8 studies met our inclusion criteria. Following analysis of these, we concluded that there is no significant difference between rapid maxillary expansion and slow maxillary expansion in patients with unilateral CLAP, the expansion observed on the side of the cleft is larger than that seen on the healthy side. Surgically assisted expansion is much more reserved for subjects at the end of growth, having unilateral or bilateral CLAP and presenting anterior or posterior lateral crossbones. The results of our systematic review also showed that maxillary expansion in patients with CLAP results in substantial dentoalveolar compensation. Conclusion: The efficacy of maxillary expansion in patients with sequelae of CLAP is real and alone in some cases allows the restoration of a normal transverse dimension; sometimes in combination with maxillary protraction to correct the anteroposterior deficit.

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Dental arch size and shape after maxillary expansion in bilateral complete cleft palate:A comparison of three expander designs

Cited by 13 publications

References 38 publications

Orthopedic outcomes of hybrid and conventional Hyrax expanders:

Orthopedic outcomes of hybrid and conventional Hyrax expanders:

Comparison between clear aligners and 2 × 4 mechanics in the mixed dentition: a randomized clinical trial

The Effectiveness of Maxillary Expansion in Wearers of Cleft Lip and Palate

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