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Regenerative Dentistry Breakthrough: Biological Therapy for Damaged Teeth
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>New knowledge on the cellular makeup and growth of teeth can expedite developments in regenerative dentistry — a biological therapy for damaged teeth — as well as the treatment of tooth sensitivity. The study is published in Nature Communications.
>Using a single-cell RNA sequencing method and genetic tracing, researchers at Karolinska Institutet, the Medical University of Vienna in Austria and Harvard University in the USA have now identified and characterized all cell populations in mouse teeth and in the young growing and adult human teeth.
>“From stem cells to the completely differentiated adult cells we were able to decipher the differentiation pathways of odontoblasts, which give rise to dentine — the hard tissue closest to the pulp — and ameloblasts, which give rise to the enamel,” say the study’s last author Igor Adameyko at the Department of Physiology and Pharmacology, Karolinska Institutet, and co-author Kaj Fried at the Department of Neuroscience, Karolinska Institutet. “We also discovered new cell types and cell layers in teeth that can have a part to play in tooth sensitivity.”
>Some of the finds can also explain certain complicated aspects of the immune system in teeth, and others shed new light on the formation of tooth enamel, the hardest tissue in our bodies.
>“We hope and believe that our work can form the basis of new approaches to tomorrow’s dentistry. Specifically, it can expedite the fast expanding field of regenerative dentistry, a biological therapy for replacing damaged or lost tissue.”
>The results have been made publicly accessible in the form of searchable interactive user-friendly atlases of mouse and human teeth. The researchers believe that they should prove a useful resource not only for dental biologists but also for researchers interested in development and regenerative biology in general.
https://scitechdaily.com/regenerative-dentistry-breakthrough-biological-therapy-for-damaged-teeth/
>Using a single-cell RNA sequencing method and genetic tracing, researchers at Karolinska Institutet, the Medical University of Vienna in Austria and Harvard University in the USA have now identified and characterized all cell populations in mouse teeth and in the young growing and adult human teeth.
>“From stem cells to the completely differentiated adult cells we were able to decipher the differentiation pathways of odontoblasts, which give rise to dentine — the hard tissue closest to the pulp — and ameloblasts, which give rise to the enamel,” say the study’s last author Igor Adameyko at the Department of Physiology and Pharmacology, Karolinska Institutet, and co-author Kaj Fried at the Department of Neuroscience, Karolinska Institutet. “We also discovered new cell types and cell layers in teeth that can have a part to play in tooth sensitivity.”
>Some of the finds can also explain certain complicated aspects of the immune system in teeth, and others shed new light on the formation of tooth enamel, the hardest tissue in our bodies.
>“We hope and believe that our work can form the basis of new approaches to tomorrow’s dentistry. Specifically, it can expedite the fast expanding field of regenerative dentistry, a biological therapy for replacing damaged or lost tissue.”
>The results have been made publicly accessible in the form of searchable interactive user-friendly atlases of mouse and human teeth. The researchers believe that they should prove a useful resource not only for dental biologists but also for researchers interested in development and regenerative biology in general.
https://scitechdaily.com/regenerative-dentistry-breakthrough-biological-therapy-for-damaged-teeth/
