Accuracy and reliability of facial soft tissue depth measurements using cone beam computer tomography

Fourie, Zacharias; Damstra, Janalt; Gerrits, Peter O.; Ren, Yijin

doi:10.1016/j.forsciint.2010.02.018

Cited by 105 publications

(103 citation statements)

References 17 publications

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“…There was no statistical difference between the tested voxel sizes regarding the overall measurement error Fourie et al [34] Two observers measured the images, in triplicate, based on ten anatomic landmarks. Digital caliper measurements were the gold standard CBCT measurements were reliable when compared to the true measurements.…”

Section: Assessment Methods Resultsmentioning

confidence: 96%

“…The remaining eight studies were based on numerical outcomes measured in the images. Three studies measured 3D surface reconstructions [17,30,31] (and used micro-CT of the teeth as the gold standard), two measured the height and thickness of alveolar bone [11,32], one assessed linear bone measurements (distance between established anatomical landmarks) [33], one measured the thickness of the soft tissue of the face [34], and one measured tooth and root length [35], and these last five studies used caliper measurements of the skulls as the gold standard. Six studies further compared the CBCT images in different resolutions to images acquired using intraoral radiographic systems [18,21,[25][26][27]35].…”

Section: Review Search Resultsmentioning

confidence: 99%

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Impact of Voxel Size Variation on CBCT-Based Diagnostic Outcome in Dentistry: a Systematic Review

2012

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The objective of this study was to make a systematic review on the impact of voxel size in cone beam computed tomography (CBCT)-based image acquisition, retrieving evidence regarding the diagnostic outcome of those images. The MEDLINE bibliographic database was searched from 1950 to June 2012 for reports comparing diverse CBCT voxel sizes. The search strategy was limited to English-language publications using the following combined terms in the search strategy: (voxel or FOV or field of view or resolution) and (CBCT or cone beam CT). The results from the review identified 20 publications that qualitatively or quantitatively assessed the influence of voxel size on CBCT-based diagnostic outcome, and in which the methodology/results comprised at least one of the expected parameters (image acquisition, reconstruction protocols, type of diagnostic task, and presence of a gold standard). The diagnostic task assessed in the studies was diverse, including the detection of root fractures, the detection of caries lesions, and accuracy of 3D surface reconstruction and of bony measurements, among others. From the studies assessed, it is clear that no general protocol can be yet defined for CBCT examination of specific diagnostic tasks in dentistry. Rationale in this direction is an important step to define the utility of CBCT imaging.

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Section: Assessment Methods Resultsmentioning

confidence: 96%

Section: Review Search Resultsmentioning

confidence: 99%

Impact of Voxel Size Variation on CBCT-Based Diagnostic Outcome in Dentistry: a Systematic Review

2012

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“…head injury or congenital condition) or there may be soft tissue distortion related to the head band, pillow or position of the head in the scanner. Cone Beam CT may resolve some of these issues in future research [103,104] as the radiation dose is low and the patient can sit up during scanning, limiting the effects of gravity of the facial soft tissues.…”

Section: Ethical Issues Relating To Facial Depiction Researchmentioning

confidence: 99%

A review of the changing culture and social context relating to forensic facial depiction of the dead

Wilkinson

2014

Forensic Science International

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The recognition of a decedent by a family member is commonplace in forensic investigation and is often employed as identity confirmation. However, it is recognized that misidentification from facial recognition is also common and faces of the dead may be extremely difficult to recognize due to decomposition or external damage, and even immediate post-mortem changes may be significant enough to confuse an observer. The depiction of faces of the dead can be a useful tool for promoting recognition leading to identification and post-mortem facial depiction is described as the interpretation of human remains in order to suggest the living appearance of an individual. This paper provides an historical context relating to the changing view of society to the presentation and publication of post-mortem facial depictions and discusses the current ethical, practical and academic challenges associated with these images. We submit a paper to be considered for publication in the Forensic Science International as a review paper.The research has not been presented at any conference, nor published in any publication, nor submitted for publication to any other journal or publication.There are no conflicts of interest or publication problems, or additional information appropriate to the publication. ABSTRACTThe recognition of a decedent by a family member is commonplace in forensic investigation and is often employed as identity confirmation. However, it is recognized that misidentification from facial recognition is also common and faces of the dead may be extremely difficult to recognize due to decomposition or external damage, and even immediate post-mortem changes may be significant enough to confuse an observer. The depiction of faces of the dead can be a useful tool for promoting recognition leading to identification and post-mortem facial depiction is described as the interpretation of human remains in order to suggest the living appearance of an individual. This paper provides an historical context relating to the changing view of society to the presentation and publication of post-mortem facial depictions and discusses the current ethical, practical and academic challenges associated with these images.

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“…It is crucial not only to return the remains to the family for proper mourning and acceptance of death, but also for legal action relating to death [1][2] . Forensic Facial Reconstruction (FFR) refers to any process that aims to recover the morphology of a face at the moment before death, from the observation of a skull [3][4][5] . It allows recognition and assists the process of human identification when it is not possible to obtain optimal conditions, as a comparison of ante-mortem and post-mortem data.…”

Section: Introductionmentioning

confidence: 99%

Forensic Facial Reconstruction: Review and Analysis of Scientific Research in Brazil

Herrera¹,

Tedeschi-Oliveira²,

Melani³

2013

BJFS

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Abstract. Forensic Facial Reconstruction (FFR) refers to any process that aims to recover the morphology of a face at the moment before death, from the observation of a skull. It's a recognition method that allows direct investigations for primary methods of human identification. The literature on this topic is very extensive, however, there are only few national studies, even in Forensic Dentistry. The present study aimed to review and to analyze the Brazilian research publications about FFR. On April 13, a search for references was carried on Bibliografia Brasileira de Odontologia (BBO) and Literatura Latino-Americana e do Caribe em Ciências da Saúde (LILACS) electronic full-text databases with the terms "forensic facial reconstruction", "forensic facial reconstitution" and "forensic facial approximation". A total of 10 national references was found, between 2000 and 2012: 2 articles, 3 dissertations and 5 theses. Most of the references belong to the field of dentistry and the topic that was most studied is facial soft tissue thickness of Brazilian subjects, totaling 30% of the publications. About 50% of the studies have been made since 2010, which shows that the national studies are recent. We conclude that the Brazilian literature on FFR has been growing, but there is still a lack of research. The preparation of theses and dissertations is valuable for the development of Forensic Sciences and Forensic Dentistry.

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Accuracy and reliability of facial soft tissue depth measurements using cone beam computer tomography

Cited by 105 publications

References 17 publications

Impact of Voxel Size Variation on CBCT-Based Diagnostic Outcome in Dentistry: a Systematic Review

Impact of Voxel Size Variation on CBCT-Based Diagnostic Outcome in Dentistry: a Systematic Review

A review of the changing culture and social context relating to forensic facial depiction of the dead

Forensic Facial Reconstruction: Review and Analysis of Scientific Research in Brazil

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