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.
If mucus is seen in the stool of a person who has Crohn's disease, it could be associated with developing an anal fissure. Bacterial infections, such as those from bacteria such as Campylobacter, Salmonella, Shigella, and Yersinia, may cause mucus to be passed in the stool.