Dental care in Swedish Vikings (IMAGE) University of Gothenburg Caption On top an X-ray examination, and X-ray image which reveals carious lesions on posterior molars. In the middle a row of teeth showing diligent use of toothpicks, and filed front teeth. On the bottom a filed hole from the crown of the tooth into the pulp – a procedure that reduces toothache and infection. Credit Photo by Carolina Bertilsson and Henrik Lund. Usage Restrictions For editorial use, no commercial use. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.