PubMed · 11351448
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B Reiss. 1999. Computerized dentistry?. https://pubmed.ncbi.nlm.nih.gov/11351448/
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BACKGROUND AND METHOD: This paper presents a new lingual bracket system differing fundamentally both in design and in manufacturing methods from existing appliances. Using state-of-the-art CAD/CAM technology, the two normally separate processes of bracket production and bracket positioning are fused into one unit. In this process, the demand for maximum individuality with simultaneously minimized space requirements is put consistently into practice. RESULTS AND CONCLUSION: Improved patient comfort, simplified rebonding in the event of bracket loss, and enhanced finishing precision are the improvements resulting for the course of treatment. In addition, bracket manufacture by a Rapid Prototyping technique permits direct transfer to clinically purposeful further developments.
As a test of the applicability of modern bioengineering tools to pediatric surgery, we developed by computer-aided design (CAD) methods and evaluated a virtual reality (VR) model of laparoscopic pyloromyotomy (LP) and created a set of retractable hook instruments, called Pylorohooks. Our VR model of LP incorporated the infant's body wall, stomach, and hypertrophied pylorus as well as laparoscopic cannulas and two Pylorohooks. CAD software was used to design the 3-mm-diameter, retractable, double-pronged, minimally-traumatic hook instrument. A rapid prototype processor was employed to create a plastic model of the instrument. Surgical-grade stainless-steel prototypes were then manufactured and used in actual LPs. A working VR model was achieved. Following an initial correction in the angulation of the hooks, the instruments were successfully employed in nine consecutive LPs in infants weighing from 3.4 to 5.7 kg. VR and CAD thus proved instrumental in the development of a new LP approach. Because of increasing pressure to limit human and animal experimentation, computer-based bioengineering methods offer promising alternatives that are clearly applicable to pediatric surgery.
Kansei engineering was founded 30 years ago, as an ergonomics and consumer-oriented technology for producing a new product. When a consumer wants to buy something, he/she will have a kind of feeling and image (kansei in Japanese) in his/her mind. If the consumer's feeling could be implemented in the new product, he/she would be more satisfied with the product. Kansei engineering aims at translation of kansei into the product design field including product mechanical function. This is why it is called the consumer-oriented aspect. There are many products in Japan which have applied kansei engineering. Recently, it has also been applied to construction products as well as to community design.