Soft tissue thickness in young north eastern Brazilian individuals with different skeletal classes

Pithon, Matheus Melo; Ribeiro, Débora Laís Rodrigues; Santos, Rogério Lacerda dos; Santana, Cláudio Leite de; Cruz, Jurandir Ferreira da

doi:10.1016/j.jflm.2013.09.014

Cited by 26 publications

(40 citation statements)

References 13 publications

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“…Numerous studies evaluating soft tissue norms for different populations with different chronological ages have shown that facial soft tissue thickness values are greater in males than in females. 2,3,[19][20][21] Similar observations were reported in Celikoglu's study, which used CBCT images to compare soft tissue thickness at the lower anterior face in patients with different skeletal vertical patterns. 22 In the present study, soft tissue thicknesses and measurements were greater in males than in females.…”

Section: Discussionsupporting

confidence: 76%

“…3 In the literature, several studies using conventional lateral cephalometric radiographs have explored facial soft tissue thickness in adult patients with various skeletal sagittal patterns. 21,23 However, lateral cephalometric films have been found to have severe flaws, including distortion, low reproducibility, differences in magnification, and the superimposition of bilateral craniofacial structures compared with the CBCT images. [20][21][22][23][24][25] Cone beam computed tomography technology has made it possible to achieve true (1:1 size) images without magnification and showed high intra-and interobserver reproducibility.…”

Section: Discussionmentioning

confidence: 99%

“…21,23 However, lateral cephalometric films have been found to have severe flaws, including distortion, low reproducibility, differences in magnification, and the superimposition of bilateral craniofacial structures compared with the CBCT images. [20][21][22][23][24][25] Cone beam computed tomography technology has made it possible to achieve true (1:1 size) images without magnification and showed high intra-and interobserver reproducibility. 26,27 In 2010, Utsuno et al 28 performed a pilot study on Japanese females to evaluate the differences in facial soft tissue thicknesses among three skeletal sagittal classes using cephalometric radiographs.…”

Section: Discussionmentioning

confidence: 99%

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Assessment of Facial Soft Tissue Dimensions in Adult Patients with Different Sagittal Skeletal Classes using Cone beam Computed Tomography

Jazmati

Ajaj

Hajeer

2016

The Journal of Contemporary Dental Practice

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Introduction Few studies utilized cone beam computed tomography (CBCT) to evaluate soft tissue dimensions in malocclusion patients. The aim of this study was to analyze the three-dimensional (3D) soft tissue relationships of adult patients according to their gender and skeletal sagittal class using CBCT. Materials and methods The study sample consisted of 96 CBCT images of patients of both genders; aged 18 to 25 years with a normal vertical skeletal pattern. Patients were segregated into three groups according to their skeletal sagittal class: Class I (2 < ANB < 4), class II (ANB > 4), and class III (ANB < 2). The soft tissue measurements were analyzed in both the sagittal views and frontal volumetric rendered views using 3D-OnDemand software. Results In males, the measurements (U1-stom, nasal width, mouth width) were greater in class I than in class II group. Lower lip thickness was greater in class I than in class III group (p < 0.05). In females, both labiomental fold thickness and upper lip height measurements showed greater mean values in class II than in class I group. In contrast, lower lip height was greater in class I than in class III group. Ls-Pr, U1-stom, and face width at Cheilion revealed greater values in class III patients than in class II patients. On the other hand, the lower lip thickness, upper lip height, and lower lip height measurements showed greater values in class II than in class III group (p < 0.05). Soft tissue thicknesses and measurements were greater in males than in females. However, statistically significant differences between the two sexes were not detected for all of the variables measured in each skeletal class. Conclusion The current study indicates the presence of differences in soft tissue thicknesses and facial soft tissue dimensions among skeletal classes and between the two sexes. Clinical significance Cone beam computed tomography imaging is a very valuable tool to analyze 3D soft tissue characteristics of patients with different skeletal patterns of malocclusion. How to cite this article Jazmati HM, Ajaj MA, Hajeer MY. Assessment of Facial Soft Tissue Dimensions in Adult Patients with Different Sagittal Skeletal Classes using Cone beam Computed Tomography. J Contemp Dent Pract 2016;17(7):542-548.

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Section: Discussionsupporting

confidence: 76%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Assessment of Facial Soft Tissue Dimensions in Adult Patients with Different Sagittal Skeletal Classes using Cone beam Computed Tomography

Jazmati

Ajaj

Hajeer

2016

The Journal of Contemporary Dental Practice

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“…Pithon et al [26] estimated FSTT of Brazilian children using teleradiographs and found that rhinion, subnasal and upper lip show significant sexual dimorphism and all landmarks showed higher values than the Americans, Negroes and Hispanics. Hwang et al [27] prepared a database of soft tissue thickness for Korean adults and reported that mandibular region tissue thickness showed greater bilateral cephalometry which can be effectively used for forensic craniofacial reconstructions.…”

Section: Discussionmentioning

confidence: 99%

Sex dependent variations in craniofacial soft-tissue thicknesses estimated from MRI and CT scans: A pilot study based on Northwest Indian subjects

Kaur

Sehrawat²,

Bahadur³

2017

IJDI

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Craniofacial identification is a technique for prediction and recreation of life-like appearances of an individual, recreated onto an unknown skull on the basis of intricate relationship existing between underlying bony contour and the overlying soft tissues, muscles and skin. Tissue thicknesses in different population have wide variations due to disparities in nutritional, environmental or genetical factors. The physical health, nutritional status and disease activity of an individual have significant and detectable influences on both the complex anatomy of facial skeleton as well as soft tissue depths. Present study was conducted on 50 MRI and 53 CT normal scans of 64 male and 39 female Northwest Indian adult subjects who reported to radio-imaging diagnostic centres for some clinical and therapeutic reasons. Soft-tissue thickness was estimated at 33 craniofacial landmarks on both MRI and CT scans using OsiriX v 6.0.2 64 bit software and Digital Imaging and Communications in Medicine (DICOM) format images. MRI scans were found comparatively better and more reliable mean of estimating tissue depths and for sex estimations. Statistically significant sex differences were noticed in tissue depths at various craniofacial landmarks. The endocanthion was found the best sex discriminating variable from both types of scans. MRI and CT scan estimated tissue thicknesses could identify sex of 96% and 85%, subjects, respectively. Secular increase in tissue depths was observed to support the increased trend of obesity in present day population of the area when compared with similar studies conducted few decades earlier. Present study results can be a valuable adjunct for forensic anthropological facial reconstructions and experts of diverse medical disciplines.

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“…This difference was also noted for subjects with different skeletal malocclusions. 5,18,19 In general, women's skin lacks collagen synthesis and facilitates synthesis of hyaluronic acid because of estrogen. In contrast, men tend to have thicker skin because testosterone facilitates collagen synthesis.…”

Section: Discussionmentioning

confidence: 99%

Assessment of the soft tissue thickness at the lower anterior face in adult patients with different skeletal vertical patterns using cone-beam computed tomography

Çelikoğlu

Büyük

Ekizer

et al. 2015

The Angle Orthodontist

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Soft tissue thickness in young north eastern Brazilian individuals with different skeletal classes

Cited by 26 publications

References 13 publications

Assessment of Facial Soft Tissue Dimensions in Adult Patients with Different Sagittal Skeletal Classes using Cone beam Computed Tomography

Assessment of Facial Soft Tissue Dimensions in Adult Patients with Different Sagittal Skeletal Classes using Cone beam Computed Tomography

Sex dependent variations in craniofacial soft-tissue thicknesses estimated from MRI and CT scans: A pilot study based on Northwest Indian subjects

Assessment of the soft tissue thickness at the lower anterior face in adult patients with different skeletal vertical patterns using cone-beam computed tomography

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