The Reliability of Contour Photography for Facial Measurements

Leivesley, W. D.

doi:10.1179/bjo.10.1.34

Cited by 14 publications

(5 citation statements)

References 3 publications

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“…Our study introduced profile photography analysis as a method for detecting different growth patterns and sagittal relationships with appropriate accuracy 11 . On analysis, we can detect that when the photography method detects a growth pattern change, it must be taken accurately in most instances 12 . When photography suggests a face has an average growth pattern, then there is 78% probability that the cephalometry method will also identify the person as having average growth pattern 13 .…”

Section: Resultsmentioning

confidence: 99%

Reliability of Profile Photography for Determining Growth Pattern and Sagittal Jaw Relationship in Different Classes of Malocclusions

2020

IJFMT

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Although the importance of facial photography has been stressed in literature, there are no studies on its diagnostic potential. This study was conducted to evaluate the diagnostic merit of photography in detecting growth patterns and jaw relationships. Standardized lateral cephalograms and profile photographs were taken for 40 patients. On cephalometry, growth patterns and sagittal classifications were determined. Diagnostic photography-based measurements for detecting departures from the norm were calculated according to the gold standard (lateral cephalometry). Independent sample t-test was used for comparing mandibular plane angles with profile photography and with lateral cephalometry. The mean value of the mandibular plane angle as determined by lateral cephalometry is 30.27+4.59. The mean value of the mandibular plane angle as determined by profile photography is 31.80+4.76. There was no significant difference seen. Profile photography is equally reliable as lateral cephalometry in detecting mandibular plane angle. Profile photography can be used as a perfectly accurate measurement tool for detecting horizontal and vertical growth patterns. It is also a rather accurate method for detecting normal growth patterns, as well as both Class I and non-Class I jaw relationships. These results highlight this non-invasive and economic method as an effective diagnostic tool. There is good association between lateral cephalometry and profile photography in detecting mandibular plane angle in different skeletal groups as well.

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Section: Resultsmentioning

confidence: 99%

Reliability of Profile Photography for Determining Growth Pattern and Sagittal Jaw Relationship in Different Classes of Malocclusions

2020

IJFMT

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“…The 3D imaging techniques included: Morphanalysis,[ 12 ] laser scanning,[ 13 ] 3D CT,[ 14 ] stereolithography,[ 15 ] 3D ultrasonography,[ 16 ] 3D facial morphometry,[ 17 ] digigraph imaging,[ 18 ] moire topography,[ 19 ] and contour photography. [ 20 ]…”

Section: From the Two To Three Dimensionsmentioning

confidence: 99%

Three-dimensional assessment of facial asymmetry: A systematic review

et al. 2015

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For patients with facial asymmetry, complete and precise diagnosis, and surgical treatments to correct the underlying cause of the asymmetry are significant. Conventional diagnostic radiographs (submento-vertex projections, posteroanterior radiography) have limitations in asymmetry diagnosis due to two-dimensional assessments of three-dimensional (3D) images. The advent of 3D images has greatly reduced the magnification and projection errors that are common in conventional radiographs making it as a precise diagnostic aid for assessment of facial asymmetry. Thus, this article attempts to review the newly introduced 3D tools in the diagnosis of more complex facial asymmetries.

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“…Three-dimensional imaging techniques have attempted to overcome the shortcomings of conventional two-dimensional methods [1][2][3][4][5][6]. These techniques have included: morphanalysis [7], laser scanning [8,9], 3D computerized tomography scanning [10], Stereolithography [11], 3D ultrasonography [12], 3D facial morphometry [13,14], digigraph imaging [15], Moiré topography [16] and contour photography [17].…”

Section: Introductionmentioning

confidence: 99%

The Application of the Recent Advances in Stereophotogrammetry for the Diagnosis and Management of Oro-Facial Deformities

Khambay¹,

Ju²,

Al-Anezi³

et al. 2011

Proceedings of the 2nd International Conference on 3D Body Scanning Technologies, Lugano, Switzerland, 25-26 October 2011

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This presentation will illustrate the recent innovations in 3D stereophotogrammetry to provide a useful technique for accurate recording of the face dysmorphology in children with cleft lip and palate and patients with facial deformities who have had orthognathic surgery. Using a custom developed software program facial landmarks were digitised on the computerised 3D model, Procrustes analysis was applied to superimpose the 3D co-ordinates of anatomical landmarks at different time intervals. Principal component statistical analysis was applied to assess the magnitude of surgical changes. The method was accurate to within 0.5 mm and has been shown to be reliable in infants. Significant soft tissue changes were detected following orthognathic surgery; these were stable at 6 months following surgery when compared with the immediate postoperative appearance. The validity of automatic tracking of anatomical landmarks during facial animations has also been investigated using Di4D software. This presentation will highlight the clinical applications of 4D imaging and debate the accuracy of 3D prediction planning for correction of dentofacial deformities.

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The Reliability of Contour Photography for Facial Measurements

Cited by 14 publications

References 3 publications

Reliability of Profile Photography for Determining Growth Pattern and Sagittal Jaw Relationship in Different Classes of Malocclusions

Reliability of Profile Photography for Determining Growth Pattern and Sagittal Jaw Relationship in Different Classes of Malocclusions

Three-dimensional assessment of facial asymmetry: A systematic review

The Application of the Recent Advances in Stereophotogrammetry for the Diagnosis and Management of Oro-Facial Deformities

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