A new approach to the analysis of craniofacial morphology and growth

Walker, Geoffrey F.

doi:10.1016/0002-9416(72)90074-7

Cited by 71 publications

(22 citation statements)

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“…This measurement was selected according to the previous works of Leonard and Walker 7 and Walker. 8 As specified in these papers, orbitale was identified to coincide with Walker's cephalogram point 109 8 ( Figure 3). The key ridge and the maxillary sinus were used as guides to consistently locate this landmark.…”

Section: Cephalometric Analysismentioning

confidence: 88%

New diagnostic tenet of the esthetic midface for clinical assessment of anterior malar projection

Frey¹

2013

The Angle Orthodontist

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Objective: To determine whether a visual classification of anterior malar support using vector relationships is supported by cephalometric analysis. Materials and Methods: Forty white subjects between the ages of 10 and 12 years, without craniofacial syndromes or previous orthodontic treatment, were equally divided into groups based on visual assessment of negative and positive vector relationships. Group A comprised 20 subjects (10 male, 10 female) exhibiting a positive vector relationship. Group B comprised 20 subjects (10 male, 10 female) displaying a negative vector relationship. Sella-nasion-orbitale (SNO) angulations were measured to evaluate the subjects' anteroposterior position of the malar eminence relative to the cranial base. Gender differences and significant differences in SNO measurements between groups A and B were assessed with Mann-Whitney U-tests. Results: There was no statistically significant difference between genders. SNO angulations in the negative vector group were smaller than the positive vector controls by an average of 6.0 degrees, and the difference was highly significant (P , .0001). Conclusion: Compared with subjects exhibiting a positive vector relationship, individuals displaying a negative vector relationship had significantly reduced malar support. Anterior malar projection can be effectively classified through visual assessment of vector relationships. (Angle

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Section: Cephalometric Analysismentioning

confidence: 88%

New diagnostic tenet of the esthetic midface for clinical assessment of anterior malar projection

Frey¹

2013

The Angle Orthodontist

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“…Longitudinal cephalometric studies, which include a large number of potential measurements (Walker, 1972;Riolo et al, 19741, can be especially complex and unwieldy.…”

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confidence: 99%

Sexual dimorphism in mandibular growth of French‐Canadian children 6 to 10 years of age

Buschang

Tanguay

Demirjian

et al. 1986

American J Phys Anthropol

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Polynomial regression is used to model the mandibular growth of 28 girls and 26 boys who were followed longitudinally from 6 to 10 years of age. The pooled-within individual designs indicate that ramus height follows a linear pattern of size increase; corpus and total mandibular lengths display curvilineal, decelerating, patterns of growth over the age range. Multivariate analyses of variance reveal significant sex differences in size, favoring boys, for the two length measures at 6 years of age. Growth velocity for corpus length is also significantly greater in boys than in girls. Sexual dimorphism in the growth of total mandibular length is more complex, including differences in velocity and deceleration. Ramus height shows no significant pattern of variation between boys and girls for either size or growth velocity.

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“…Medical pictures, dental models and radiological requirements, such as cephalometric graphs, were the methods which served to provide objective parameters [2][3][4][5][6][7][8][9][11][12][13]. Medical pictures, dental models and radiological requirements, such as cephalometric graphs, were the methods which served to provide objective parameters [2][3][4][5][6][7][8][9][11][12][13].…”

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confidence: 99%

The proportion of the face in younger adults using the thumb rule of leonardo da vinci

Oğuz

1996

Surg Radiol Anat

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The present study was conducted to examine whether the thumb rule of Leonardo da Vinci could be an objective method in the determination of the natural and artistic proportions of human face. In this study, a sample of 400 subjects (200 male and 200 female, 22-25 years old) was used. Measurements were made of the length of thumb, the length of ear, the approximate distances between the hair line and the glabella or eyebrows, between the glabella or eyebrows and the tip of the nose and the distance between the nose and the chin, and the distance between the ear and the lateral aspect of the eye. The results obtained in the males and females showed significant (p < 0.01) correlations between the length of thumb and the proportions of the face examined in the study. Additionally, the height of the face was found to be almost three times the length of the thumb. However, the measurements obtained from female subjects were on average smaller than those taken from males. The results obtained in this experiment could be of value in understanding of the evaluation of the face for the people working in plastic surgery or art.

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A new approach to the analysis of craniofacial morphology and growth

Cited by 71 publications

References 0 publications

New diagnostic tenet of the esthetic midface for clinical assessment of anterior malar projection

New diagnostic tenet of the esthetic midface for clinical assessment of anterior malar projection

Sexual dimorphism in mandibular growth of French‐Canadian children 6 to 10 years of age

The proportion of the face in younger adults using the thumb rule of leonardo da vinci

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