Abstract
Research work regarding 3 dimensional (3D) soft tissue imaging is very scarce, the reason behind that is that 3D imaging modalities are either invasive, or expensive, or lack accuracy to a great extent. Aim of the study: To develop a new, accurate and economical method for 3D soft tissue image construction to aid in the assessment of facial esthetics. Materials and Methods: Ten adult females were comprised in the current study. For each subject, a 3D video model was constructed based on facial measurements taken after patient positioning using custom made patient positioning as- sembly. To check the reliability of this method certain measurements were compared between the patients' faces and the constructed 3D models. Results: Excellent agreement was found in all measurements except for the Inter-pupillary width and the Frontal prominence. Conclusions: The presented technique proved to be an accurate, reproducible and economic method for 3D model con- struction.
Highlights
Soft tissue appearance represents the primary concern among individuals seeking orthodontic treatment
Aim of the study: To develop a new, accurate and economical method for 3 dimensional (3D) soft tissue image construction to aid in the assessment of facial esthetics
A 3D video model was constructed based on facial measurements taken after patient positioning using custom made patient positioning assembly
Summary
Soft tissue appearance represents the primary concern among individuals seeking orthodontic treatment. Studies have shown that soft tissue profile and facial esthetics should be the primary concern when planning for treatment. Assessment of facial appearance, clearly a 3-dimensional (3D) problem, has been attempted with two dimensional (2D) methods [1]. Limited research work was found dealing with facial assessment based on 3D imaging techniques, due to the invasiveness and the high expenses of most of the 3D imaging modalities. Computed Tomography (CT) and Magnetic resonance 3D imaging (MRI) provide a relatively accurate 3D method. Both techniques are expensive and impractical for everyday use, together with the fact that CT is highly invasive
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