Adult Stem Cell Awareness

June 22, 2009

Stem Cells May Improve the Adaptability of Dental Implants

Filed under: adult stem cell awareness — chelseaz @ 2:55 pm

teethI don’t know how common teeth implants are, but here’s an interesting study done with goats:

Dental implants closely resemble natural teeth, but an implant’s ability to react to patient growth, pressure from chewing, and future orthodontic work is diminished if it is not surrounded by sufficient periodontal tissue.

In this study, the authors engineered this periodontal tissue in a fresh socket of a goat animal model. Each of five goats was fitted with two titanium implants immediately after tooth removal. A poly DL-Lactide-co-Glycolide scaffold was fitted around each implant, but the control received only the scaffolding.

The experimental implant received scaffolding seeded with bone marrow-derived mesenchymal stem cells (BMDSCs). All implant sites showed some level of tissue development at 10 days after the operation.

At one month after, the control side showed no signs of tissue development, whereas the experimental side had developed cementum, bone, and periodontal ligament, the three tissues required for regeneration of periodontal tissue.

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