In 2005, she received her Bachelor Degree in Dental Surgery at the University of Costa Rica, Costa Rica. In 2009, she specialized in Oral Medicine and Oral Pathology at the University of the Basque Country, Spain as top of her class. She continued her research doctoral training with the same university until 2012 when she earned her doctorate (Cum Laude) researching on potentially malignant oral disorders and oral cancer.
On 2012, she returned to Costa Rica to work as a lecturer at the University of Costa Rica and worked in an Oral Medicine private practice. In 2013 she moved to Malta and has been working with the University of Malta since. Currently, Maria Luisa is working both in private practice at Sammut Specialists and at the University of Malta where she is Head of Department of Dental Surgery and Deputy Dean of the Faculty of Dental Surgery.
Her main interest in the field is the research in oral potentially malignant disorders and its relation with oral cancer. She is author of several publications and has presented her research in various international conferences.