Influence of the cranial base flexion on Class I, II and III malocclusions: a systematic review

Almeida, Kélei Cristina Mathias de; Raveli, Taísa Boamorte; Vieira, Camila Ivini Viana; Santos-Pinto, Ary dos; Raveli, Dirceu Barnabé

doi:10.1590/2177-6709.22.5.056-066.oar

Cited by 26 publications

(24 citation statements)

References 32 publications

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“…In addition, according to Bjork, the cranial base angle is 130.8° ± 4.2° at age 12 and 131.6° ± 4.5° at age 20 years, showing an insignificant change from the former age to the latter 34 . Almeida et al, in their systematic review showed that SNBa remains constant from 5 to 15 years of age 35 . Alió et al observed that in both individuals with DS and the general population it does not vary between the ages of 8-18 years 22 .…”

Section: Discussionmentioning

confidence: 99%

Craniofacial morphology in down syndrome: a systematic review and meta-analysis

Vicente

González

López-Romero

et al. 2020

Sci Rep

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The aim of this study was to evaluate the craniofacial cephalometric characteristics of individuals with Down syndrome (DS), comparing them with healthy subjects. An electronic search was made in Pubmed, Embase, Lilacs, Scopus, Medline and Web of Science without imposing limitations on publication date or language. Studies were selecting following the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) statement. The PECO acronym was applied as follows: P (population), individuals with DS; E, (exposition) diagnosis of DS; C (comparison), individuals without DS; O (outcomes) craniofacial characteristics based on cephalometric measurements. Independent reviewers performed data extraction and assessed the methodological quality of the articles using the Newcastle–Ottawa Quality-Assessment-scale. Seven case–control studies were included in meta-analysis. Given the variability of the cephalometric measurements used, only those that had been reported in at least three or more works could be included. Anterior cranial base length (SN), posterior cranial base length (SBa), total cranial base length (BaN), effective length of the maxilla (CoA), sagittal relationship between subspinale and supramentale (ANB), anterior facial height (NMe), and posterior facial height (SGo) values were significantly lower in the DS population than among control subjects. No significant differences were found in sagittal position of subspinale relative to cranial base (SNA) and sagittal position of supramentale relative to cranial base (SNB). Summarizing, individuals with DS present a shorter and flatter cranial base than the general population, an upper jaw of reduced sagittal dimension, as well as a tendency toward prognatic profile, with the medium third of the face flattened and a reduced anterior and posterior facial heights.

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Section: Discussionmentioning

confidence: 99%

Craniofacial morphology in down syndrome: a systematic review and meta-analysis

Vicente

González

López-Romero

et al. 2020

Sci Rep

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“…Malocclusions with skeletal discrepancies in the craniofacial region to the cranial base as well as to each other. [5][6][7] Cranial base also plays a major role in defining various skeletal malocclusions. 8 According to Moss 9 cranial base angle in subjects of class III malocclusion is smaller and other studies…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Cranial Base Morphology of Pakistani Population in Skeletal Class I, II and III Malocclusions

et al. 2019

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Introduction: Cranial Base integrate different patterns of growth in various regions of the skull such as the nasal cavity, the oral cavity, and the pharynx. Anteroposterior jaw position is thought to be affected by cranial base growth. Although scientific literature shows conflicting results regarding both positive and negative correlation between the cranial base and skeletal malocclusions. Materials & Method: 138 patients selected according to the Inclusion criteria were divided into three major categories depending upon ANB angle. Class I, class II group and class III group. Pretreatment lateral cephalometric radiographs were taken. Linear and Angular measurements were measured. All the data was entered in SPSS version 25 and then analyzed by using descriptive statistics including mean, standard deviation and by using inferential statistics including Pearson correlation and ANOVA test. Result: No significant differences were recorded between cranial base deflection angles (N-S-Ar and N-S-Ba) and malocclusions groups while Anterior cranial base length S-N was found to be maximum in class III and posterior cranial base length S-Ba was greater in class I. Conclusion: Cranial base angles N-S-Ar and N-S-Ba did not demonstrate any statistically significant correlation with three malocclusion groups i.e. Class I, Class II and Class III and their correlation was negative.

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“…The maxillary length (A-Co) as well showed signifi cant difference between the three groups (P=0.030) with a higher [13,17].…”

Section: Maxillary and Mandibular Skeletal Parametersmentioning

confidence: 97%

Correlation Between Cranial Base Morphology and Skeletal Maloclusion in a Sample of Sudanese Orthodontic Patients

Ahmed¹,

Abuaffan²

2020

J Dent Probl Solut

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Influence of the cranial base flexion on Class I, II and III malocclusions: a systematic review

Cited by 26 publications

References 32 publications

Craniofacial morphology in down syndrome: a systematic review and meta-analysis

Craniofacial morphology in down syndrome: a systematic review and meta-analysis

Evaluation of Cranial Base Morphology of Pakistani Population in Skeletal Class I, II and III Malocclusions

Correlation Between Cranial Base Morphology and Skeletal Maloclusion in a Sample of Sudanese Orthodontic Patients

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