{"id":42844,"date":"2021-09-30T00:03:53","date_gmt":"2021-09-29T17:03:53","guid":{"rendered":"http:\/\/www.thestorythailand.com\/?p=42844"},"modified":"2021-09-30T00:05:28","modified_gmt":"2021-09-29T17:05:28","slug":"dentiiscan-the-start-of-something-big-in-thai-research-and-development","status":"publish","type":"post","link":"https:\/\/www.thestorythailand.com\/en\/dentiiscan-the-start-of-something-big-in-thai-research-and-development\/","title":{"rendered":"DentiiScan: the start of something big in Thai research and development"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Locally-made digital-age dentistry device exceeds expectations<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A team of Thai researchers has developed a computerized tomography (CT) scanner capable of taking high-quality images of the interior of patients\u2019 heads, and the device is proving to be so successful that the project from which it sprang is said to have exceeded expectations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The machine, called DentiiScan, is being used more and more widely, making dental implants easier, reducing expensive imports, and ensuring equal access to quality treatment for Thai people living in cities or rural areas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The research and development project that created DentiiScan began with concern that good dental health often required dental implants, and the cost of these was too high for poorer patients.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a rel=\"noreferrer noopener\" href=\"Digital x-ray machines by Thai innovators play vital role in COVID-19 crisis\" target=\"_blank\">BodiiRay: Digital x-ray machines by Thai innovators play vital role in COVID-19 crisis<\/a><\/li><li><a rel=\"noreferrer noopener\" href=\"https:\/\/www.thestorythailand.com\/en\/09\/05\/2021\/24667\/\" target=\"_blank\">Captioning service gives deaf people access to information<\/a><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">It involved a complex pooling of resources by four government research agencies: the National Electronics and Computer Technology Center (NECTEC), the National Metal and Materials Technology Center (MTEC), the Assistive Technology and Medical Devices Research Center (A-MED), and the National Science and Technology Development Agency (NSTDA).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>The Director of A-MED, Professor Dr. Pairash Thajchayapong<\/strong>, who is also a senior adviser to NSTDA, worked at the heart of the project with researchers from NECTEC and MTEC. The team succeeded first in writing an algorithm for a CT scanner capable of scanning a human head, after which Dr. Pairash requested research funding of Bt10 million from the NSTDA.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">His team went on to invent the first DentiiScan, which was capable of taking images of the interior of the body with high resolution. It also met exacting standards for medical devices, including tests for x-ray radiation limits under Thai law at the Electrical and Electronic Products Testing Center, ISO 13485 standards for medical devices, and T\u00dcV S\u00dcD testing, to prove its compliance with international standards.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After successful human testing, the machine was first used on a real patient by Associate Professor Dr. Pathawee Khongkhunthian, at Chiang Mai University\u2019s Faculty of Dentistry.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Later, 10 more DentiiScan machines were built, and in 2018, the Minister of Higher Education, Science, Research and Innovation, Dr. Suvit Maesincee, allocated state funds for the production of 50 more machines. After that, permission was granted to private companies wishing to build DentiiScan machines and, according to Dr. Pairash, these are working very well.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dr. Pairash says his inspiration for creating the machine dated back more than 30 years, when he was studying digital signal processing. Later, while teaching at King Mongkut\u2019s Institute of Technology Ladkrabang, he and a team of students produced a basic CT scanner that was capable of taking images of a mouse and its internal organs. The project won him an Outstanding Technologist Award.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cWe were aware [at the time] that the project could not develop further, partly because of a lack of funds. Besides, our scanner\u2019s best ability was taking images of a mouse, and not a human,\u201d Dr. Pairash recalls.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Later, he became the founder and first head of NECTEC, Director of the NSTDA, and finally Permanent Secretary of the Science and Technology Ministry. In the course of his work, he found that there were cone-beam CT scanners on the market for use in dental implants, and his interest in developing a Thai machine to perform the same function was rekindled.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">He regards the outcome with pride. \u201cDentiiScan is a very good platform. Up to 50 or 60 machines have been produced and have been used more than 13,000 times, to make almost 3,000 dental implants.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In addition to developing the DentiiScan, Dr. Pairash has a parallel project to train 500 dentists and dentistry personnel in dental implants, using 3,000 viewing sets operating through a dentistry digital platform.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Potential expanding beyond dentistry<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In addition to facilitating dental implants, the locally-made DentiiScan has other uses, such as imaging human skulls. Dr. Pairash said a doctor at Phrae Hospital found that his treatment of a patient whose jaw was broken in a motorcycle accident was hindered by the limited two-dimensional capacity of an ordinary x-ray machine. So he turned to DentiiScan, which was capable of giving him a three-dimensional image, enabling him to locate the problematic spot that required treatment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DentiiScan can also be used to assist a sister device called MobiiScan in correctional surgery for facial and skull deformations, such as cleft lip and palate. MobiiScan is similar to DentiiScan, but is mobile, and can be moved easily to different operating theatres.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cPeople ask why we didn\u2019t produce more,\u201d Dr. Pairash says. \u201cWe wanted to do so, but the problem is our machine can scan the whole head \u2014 and not just the teeth \u2014 so it suits large hospitals [with a range of demands]. In the future we may make a smaller device with a lower price that can be used for teeth only. It may bring better impacts.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A Thai innovation with many winning qualities<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DentiiScan is a computerized three-dimensional x-ray machine for dentistry as well as oral and facial surgery. Its development has involved deep research, the design of mechanical and electrical systems, and the creation of software applications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Senior A-MED Researcher Dr. Saowapak Thongvigitmanee<\/strong> says there are currently two DentiiScan models \u2014 1.1 and 2.0. The devices are installed at about 60 locations and have been used more than 15,000 times.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DentiiScan works with a flat panel detector revolving overhead while x-raying. Raw data from two-dimensional images is then used to create three-dimensional profiling of the patient\u2019s oral cavity. The resulting panoramic profiles can be used in disease analysis or planning for dental implants, as well as treatment of oral tumours or cancer and abnormalities of the jaw or sinuses.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>An A-MED Senior Engineer for Medical Imaging Systems, Atthasak Kiang-ia<\/strong>, says the DentiiScan model 2.0 is about half the size of model 1.1, but is more efficient. The later model also produces better images due to more stable detector rotation and emits less radiation.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The DentiiScan models comply with the ISO 13485 standard for design and manufacture of medical devices, as well as the Department of Medical Science\u2019s radiation safety standards.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cIt\u2019s rather difficult to pass the standard requirements for medical devices. We needed additional study and development,\u201d Atthasak says.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Saowapak points out that the DentiiScan research team has continued to make improvements, even after the transfer of know-how on manufacturing and maintenance to private companies. For example, with upgraded software, the time spent on processing 3D profiles is reduced from two and a half minutes \u2014 comparable to imported devices \u2014 to only 18 seconds.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Also, the 3D imaging software can be used through a cloud system, which allows the dentist to view the images from any place.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Software boosts DentiiScan as a digital-age device<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Without good software, DentiiScan would be an incomplete scanner. Therefore, the research team has developed supporting systems that connect with DentiiScan machines, called RadiiView and DentiPlan.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>An A-MED researcher working on these systems, Dr Walita Narkbuakaew<\/strong>, describes RadiiView as a cloud-based application capable of displaying 3D images from DentiiScan. It allows dentists to access these images at any time and from any place, after ID verification. Users can access RadiiView through their smartphones, tablets or computers without having to install any software on their devices.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The scan data in the cloud system can be accessed by the patient\u2019s registered doctors, who are notified of its availability by email. The images may be viewed online or downloaded for later diagnosis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cThe doctors may view scanned images from different angles, in real time,\u201d Walita says, adding that DentiiScan images are in the DICOM (digital imaging and communications in medicine) format, ready for use as a surgical guide.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">She adds that DentiPlan is a desktop software application that facilitates planning for dental implant surgery.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Advancing towards the goal of a digital dentistry platform<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The research team regards the development of DentiiScan for hospitals throughout the country as just the beginning of something much bigger. It aims to create a digital dentistry platform \u2013 something that doesn\u2019t yet exist in Thailand. The country has e-commerce platforms that connect shops, transport and other service industries to form ecosystems, but it has no equivalent for medical purposes, connecting hospitals and private companies capable of producing dentistry-related devices.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>The Head Researcher of A-MED\u2019s Assistive Technology and Accessibility for All team, Dr. Natthanan Thatphithakkun<\/strong>, says development of a digital dentistry platform has been hindered by legal requirements under the Personal Data Protection Act (PDPA). Such a platform, he says, needs a cloud system that is highly secure.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The system must also be customizable in relation to designs, placing orders, confirmation and production checks. People outside of medical circles are unfamiliar with those processes, and they are a time-consuming task for outsourced companies. Moreover, there is concern over privacy and data security.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However, a digital platform will get rid of all of these obstacles as CT scanned images are stored securely and accessed through a cloud system, with prior consent from the patients involved.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cIn the planned structure, all orders for digital management will be listed by a hospital. The officials involved will see from where the orders are placed. The system will also separate orders from inside and outside of the hospital,\u201d Dr. Natthanan says.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>The Principal Researcher of A-MED\u2019s Integrated Medical Technologies team, Dr. Kriskrai Sitthiseripratip<\/strong>, says the relevant research teams aim to push for a digital dentistry platform that is acceptable nationwide by doctors and Thai people.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dr. Kriskrai also points to another advantage of the developing systems. In the past, dentists performed dental implants manually, but many of them are now open to 3D analysis. The next step is to use DrillGuide for accuracy and precision. The goal is to design dental crowns and bridges that fit completely.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cWe train dentists in the use of technologies developed by Thais. Some digital technologies may be integrated to achieve the required quality for dental implants and crowns,\u201d Kriskrai says.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">He notes that Thailand is becoming an ageing society. People aged 40 to 50 have at least one dental implant and they now tend to want more. Therefore, investment in this technology will benefit the elderly in Thailand. At present, dental implants are limited to&nbsp; middle-class Thai patients as they cost Bt30,000 to Bt50,000 each. If the cost is reduced to Bt25,000 or Bt15,000, people in lower income brackets will be able to access the technology.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Moreover, Thailand is well known for medical tourism and many foreigners fly into the kingdom for dental implants. The locally-developed technologies are expected to help to promote Thailand internationally as a hub for medical and dentistry services.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cWe have worked with the private sector on technology transfers involving DentiiScan and DrillGuide, as well as the future platform. Our corporate partners, who meet the standards for medical devices, serve as a link to the regional and private sectors. We expect to see technological growth in the future, with greater access for Thais,\u201d Kriskrai says.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">His colleague, Dr. Natthanan, goes further: \u201cWe envision an e-marketplace for dentistry in the future. Production of [dentistry] items is often personally customized, and companies that produce these products will be on the increase. We are thinking of creating a marketplace for dentistry products and tools,\u201d he says.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Hopes that DentiiScan will expand opportunities for Thais<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Use of DentiiScan means that Thai people living in rural areas no longer have to seek treatment in Bangkok or regional cities. It helps them to access modern technology, reduces inequality between patients and improves their quality of life.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Senior A-MED researcher Saowapak is full of praise for Thailand\u2019s success in producing advanced medical devices like DentiiScan, saying that this creates jobs and income and reduces the country\u2019s dependence on imported technologies.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cWe didn\u2019t expect the DentiiScan project to expand this much,\u201d she says. \u201cWe are happy that the machines are installed in as many as 60 places and are still in use. The development began in 2007 and the first machine was made in 2011. That very first machine is still working.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cPrivate companies are producing more machines for the sake of sustainability. We expect to see more acceptance and support from Thai society regarding Thai innovations.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Atthasak says his team is proud to have been a part of DentiiScan\u2019s development. \u201cThe machine was born of multiple disciplines \u2014 mechanical, electrical, control systems and software. The big challenge was teamwork,\u201d he adds.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dentists point to DentiiScan\u2019s many benefits<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unlike many research works, DentiiScan and its accompanying dentistry management software have proven to be both practical and beneficial.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The director of Chiang Mai University\u2019s Center of Excellence in Dental Implantology \u2013 and DentiiScan\u2019s first real user \u2013 Dr.&nbsp; Pathawee, says that DentiiScan can produce clear, high-quality images comparable to those of imported equivalents. Due to its advanced technology, the machine can help dentists and patients with improved planning of treatments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dental implants are the best alternative for replacing original teeth, with a success rate of 97 to 98 per cent \u2014 much higher than false teeth in the form of dental bridges.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For patients who lose most of their natural teeth, dental implants keep their dentures firmly fixed, ensure efficiency in chewing food and prevent embarrassments caused by loose plates.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cThe machine is made in Thailand, so patients at the Center of Excellence in Dental Implantology are not charged when it is used. Normally, the X-ray charge is thousands of baht per use,\u201d Dr. Pathawee says.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dentist Gunniga Sumanont from Khon Kaen Hospital says a DentiiScan machine was installed at the hospital\u2019s Radiology Department in May 2019. The machine has since been used for 3D imaging in many cases of treatment in the oral and facial areas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cThere have been no complaints from radiologists after almost two years of use. The images are clear and they can be recorded on CD or sent to the cloud,\u201d she says.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dentist Peerapong Janpoom from Huai Yot Hospital in Trang province says radiologists are \u201cvery pleased\u201d with DentiiScan after having used it for more than two years.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cWhen compared to foreign-made machines, DentiiScan works like an imported device, with high quality. It scans accurately and the images are clear. Also, you can view the files on a smartphone.\u201d&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dentist Piyanan Kuasakul, from Bangkok\u2019s Vajira Hospital<\/strong>, says DentiiScan has been used in some 40 cases at the hospital, and it has proven easy to use. The software RadiiView allows dentists to view images from anywhere and DentiPlan helps them measure accurately when planning treatments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cWhen planning dental implants with 2D images, we had to calculate estimates, but this device uses a digital platform that makes the work faster and more accurate. This, in turn, boosts the dentist\u2019s confidence,\u201d he says.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Piyanan expresses gratitude to the DentiiScan researchers for making \u201cthis good tool\u201d for Thailand. He suggests adding more dentistry capabilities, such as orthodontics, where braces are installed to overcome irregularities.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gunniga says that DentiiScan makes dental implants easier and more affordable, and calls for further improvements in the ease of use and higher resolution images for certain cases.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cAt present, DentiiScan is mainly used in dentistry, but we plan to discuss it with doctors in other branches of medicine, such as surgery and intensive care, so that they can use the machine in diagnoses,\u201d Peerapong says.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dr. Pathawee points to the benefits of the project, including new technological know-how for dentists, better access to dentistry services for patients in rural areas, and reduced inequality regarding treatments with advanced technology.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">He adds that doctors can also share their knowledge and experience in using new treatment techniques through the digital platform.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cEventually, we will gain enough big data to develop artificial intelligence to help with specific health plans for people in different areas. This will be a huge benefit,\u201d he says.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Private sector reinforces the manufacturing<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Commercial production of prototypes arising from state-funded research requires the involvement of private companies through technology transfers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pixamed Co Ltd has gained the right to manufacture and market DentiiScan devices, based on the NSTDA blueprint. The company also offers maintenance services and training in how to use the machine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cWe can produce four machines a month, and so far we have made 57. They are completely made and tested in Thailand,\u201d says Pixamed\u2019s General Manager Pinyo Yampri.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Building sustainable knowledge<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pinyo says his company has the obligation to support Thai research works, and in his view, DentiiScan represents Thailand\u2019s success in building advanced technology that reduces reliance on imported innovations.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cImported products are accepted as good, but it\u2019s better to have Thai products with comparable quality. The NSTDA still has many other projects [with commercial potential],\u201d Pinyo says.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">He urges more support for projects that turn Thai research into commercial products. \u201cLet\u2019s make Thai people feel good about buying Thai products. We should encourage the materialization of our knowledge, and enjoy sustainable growth together.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Locally-made digital-age dentistry device exceeds expectations<\/p>\n","protected":false},"author":8,"featured_media":42845,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[118,119,122],"tags":[3861,5623,9909,9910],"class_list":["post-42844","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-the-story-special","category-interview-en","category-technology-en","tag-nstda","tag-a-med-2","tag-dentiiscan-2","tag-mtec"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DentiiScan: the start of something big in Thai research and development - The Story Thailand<\/title>\n<meta name=\"robots\" content=\"index, follow, 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