The National University Centre for Oral Health Singapore Tooth Tissue Bank was set up in 2021 to support research on teeth for various purposes, including developing more resilient filling materials and using stem cells to regenerate nerves and blood vessels in teeth.
To add another layer of complexity, a researcher must also navigate ethical and legal requirements, obtaining approvals from institutional review boards or ethics committees.
The Tooth Tissue Bank is located in NUCOHS in Lower Kent Ridge Road. It is managed by the faculty’s Clinical Research Unit. On the day of the photo shoot, The Straits Times speaks to X, who was scheduled to have a third molar – also known as the wisdom tooth – extracted, to find out why the patient agreed to the donation.
Two research coordinators from the Clinical Research Unit are tasked to collect the extracted teeth at the end of the day. The fridge houses jars of teeth sorted according to their types: incisors, canines, premolars and molars. The first step in processing a tooth is to cut it into thin slices using a machine with a mechanised circular blade that is sharp and fragile.PRECISION CUTTER ST PHOTO: KELVIN CHNGThe edges are then trimmed so that each tooth slice becomes a small rectangle, which is ideal for some projects. Depending on the project requirements, a slice might be trimmed into an oval or square shape. Each slice can take up to two hours to perfect, he notes.
“This could keep the tooth alive and healthy and capable of fighting off future infections or injuries, unlike current root canal treatments that leave the tooth lifeless,” says Prof Rosa.
NATIONAL UNIVERSITY CENTRE FOR ORAL HEALTH SINGAP NUCOHS NUS FACULTY OF DENTISTRY SCIENCE RESEARCH SINGAPORE INTERACTIVE GRAPHICS HOME IN FOCUS THROUGH THE LENS ST DISCOVER
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