Three-dimensional scanners for soft-tissue facial assessment in clinical practice

Petrides, George Andrew; Clark, Jonathan; Low, Tsu-Hui Hubert; Lovell, Nigel H.; Eviston, Timothy J.

doi:10.1016/j.bjps.2020.08.050

Cited by 43 publications

(50 citation statements)

References 70 publications

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“…43,44 Cosmetic procedures and their outcomes are assessed very subjectively, and quantitative evaluations move beyond the mere judgment of patients and clinicians, and are therefore strongly recommended in order to fill the gap in facial aging treatment and evaluation. 45,46 This is why the Authors measured using a standardized tridimensional stereophotogrammetry device among objective (anthropometric) landmarks in the presented paper.…”

Section: Any Tissue Suspension Technique Which Does Not Include Midfacementioning

confidence: 99%

Thread lifting of the midface: A pilot study for quantitative evaluation

Diaspro¹,

Rossini

2021

Dermatologic Therapy

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Volume restoration remains the principal target to be addressed when approaching midface rejuvenation, and absorbable sutures can create a suspension system that addresses ptotic skin located primarily in the midface. The aim of this pilot study was to investigate the effectiveness in lifting sagging tissue and to determine the outcome of thread lifting procedures of the midface. Six participants were enrolled and treated with suspension threads to correct mild to moderate ptosis of the flabby tissues of the midface. Volumetric changes were calculated at t0 (pretreatment), t1(120 days) and t2 (365 days), with a mean follow-up time of 349.64 days, (range from 304 to 380.5 days). Results showed an overall average improvement of 5.59 mL at 120 days (t0-t1) after thread implantation, up to a mean value of 4.16 mL at the end of the 350 days follow up (t0-t2). A comparison was made in between and statistical analysis was performed with level of significance set at P < .05. The records shown suggest that it is possible to achieve volume restoration which lasts up to 12 months as all parameters improved significantly (P < .05) at t1 and at t2 with respect to t0. Facial tissues suspension by means of threads is therefore safe and effective, as it is possible to achieve tissue repositioning which lasts up to 12 months for the correction of mild to moderate ptosis of the midface.

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Section: Any Tissue Suspension Technique Which Does Not Include Midfacementioning

confidence: 99%

Thread lifting of the midface: A pilot study for quantitative evaluation

Diaspro¹,

Rossini

2021

Dermatologic Therapy

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“…Handheld structured light scanners have the capacity to rapidly and accurately develop a high-resolution 3D-surface model, and this scanner can be used in TKA surgery. [38][39][40][41] For example, Chan et al…”

Section: F I G U R E 4 Typical Picture Of Sawbones After Bone Resection: (A) Femoral; (B) Tibialmentioning

confidence: 99%

Better precision of a new robotically assisted system for total knee arthroplasty compared to conventional techniques: A sawbone model study

Chen

Zhang

et al. 2021

Robotics Computer Surgery

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Background The purpose of this study was to compare the accuracy of this new HURWA robotic‐assisted total knee arthroplasty (TKA) technique to the accuracy of the conventional technique in a sawbone model. Methods The HURWA robotic‐assisted TKA system was applied in the robotic group. After bone resection, all of these sawbones were scanned by the use of a structured light scanning system. Measurements of bone resections, femoral coronal and sagittal measurements, and tibial coronal and sagittal measurements were recorded. Results Compared to the conventional technique, the HURWA robotic‐assisted system significantly improved the accuracy of the bone resection levels and angles. In the robotic group, the accuracy of all of the bone resection levels was below 0.6 mm (with standard deviation [SD] below 0.6 mm), and all of the bone resection angles were below 0.6° (with SD below 0.4°). Conclusion Our data suggest that this novel HURWA robotic‐assisted system can significantly improve the accuracy of bone resection levels and angles.

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“…The medical field requires geometrically accurate and high-resolution medical images for a precise measurement and diagnosis [18]. Different studies have incorporated the use of 3D scanners in the medical field, being used mainly in face and head scanning [18][19][20][21][22][23]. Crowe S et al [18] used the Artec Leo structure light scanner for two purposes.…”

Section: Introductionmentioning

confidence: 99%

A Comparative Study between Scanning Devices for 3D Printing of Personalized Ostomy Patches

Zahia

Garcia-Zapirain

Anakabe

et al. 2022

Sensors

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This papers presents a comparative study of three different 3D scanning modalities to acquire 3D meshes of stoma barrier rings from ostomized patients. Computerized Tomography and Structured light scanning methods were the digitization technologies studied in this research. Among the Structured Light systems, the Go!Scan 20 and the Structure Sensor were chosen as the handheld 3D scanners. Nineteen ostomized patients took part in this study, starting from the 3D scans acquisition until the printed ostomy patches validation. 3D mesh processing, mesh generation and 3D mesh comparison was carried out using commercial softwares. The results of the presented study show that the Structure Sensor, which is the low cost structured light 3D sensor, has a great potential for such applications. This study also discusses the benefits and reliability of low-cost structured light systems.

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Three-dimensional scanners for soft-tissue facial assessment in clinical practice

Cited by 43 publications

References 70 publications

Thread lifting of the midface: A pilot study for quantitative evaluation

Thread lifting of the midface: A pilot study for quantitative evaluation

Better precision of a new robotically assisted system for total knee arthroplasty compared to conventional techniques: A sawbone model study

A Comparative Study between Scanning Devices for 3D Printing of Personalized Ostomy Patches

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