1 Sometimes, the larger molars cause more discomfort due to their larger surface area that can't slice through the gum tissue as an erupting incisor is capable of doing.  Most children have a complete set of 20 deciduous teeth (known as baby teeth or milk teeth) by 30 months of age.
Nociceptive, or somatic, pain is the common discomfort we have all experienced as a result of injury -- a paper cut, a broken bone, or appendicitis, among other things. Somatic pain makes sense to us; we can understand the patient's pain.
Types of Nociceptive Pain: 1  Superficial Somatic Pain - Somatic pain is the pain you feel when you have an injury, which typically improves with healing and is gone when healing is complete. Superficial (surface) somatic pain includes cuts, bruises, burns and the skin wound aspect of surgical incisions.