Dental Veneers are cosmetic dental prosthetics that are meant to cover the teeth. It is not exactly a prosthetic, in the sense that it replaces something that was lost (as in the case of dentures, dental bridges and dental implants.).
According to Wrong Diagnosis, one of the causes of mucus stools in children is bacterial overgrowth. Normally there is a certain amount of bacteria in the digestive tract. This is healthy and assists in digestion. But if it grows out of control, then it can contribute to mucus in the stool.
Mucus spit-up occurs in infants because the area between the esophagus and stomach---known as a sphincter---has not yet fully developed, according to What to Expect. When this takes place, food, mucus or spit can back up the esophageal tract, causing your baby to spit up.