University of Otago's Dr Carolina Loch (IMAGE) University of Otago Caption Dr Carolina Loch, of the University of Otago's Faculty of Dentistry. Credit University of Otago Usage Restrictions n/a 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.