Dr. Ignacio Martínez, a stomatologist, who lives in Oviedo and has his practice in Avilés, has been collaborating with Monkole Hospital in Kinshasa, capital of the Democratic Republic of Congo, since August 2016. He usually stays in Kinshasa for a month, during his holiday leave, to do a social work that has been awarded by the Asturias Dentists Association.