Pedo vs Materials — Key differences for NEET MDS
First primary tooth = mandibular central incisor at 6 months. First permanent tooth = mandibular first molar at 6 years. Natal teeth = present at birth. Neonatal teeth = first 30 days. Nolla stages of tooth development 0 to 10. Primary dentition complete by 2.5 to 3 years. Ugly duckling stage = normal spacing 8-9 years. Mixed dentition = 6 to 12 years.
📖 Read full notes →Type I gold alloy = inlays soft. Type II = inlays onlays medium. Type III = crowns bridges hard. Type IV = partial denture frameworks extra hard. Ni-Cr = most common base metal alloy = beryllium concern. Gypsum bonded investment = gold casting = low melting. Phosphate bonded investment = base metal = high melting. Silica bonded = highest expansion.
📖 Read full notes →NEET MDS frequently tests the ability to differentiate between related topics. Understanding the key differences between Eruption Chronology and Casting Alloys & Investment in Pedo vs Materials is crucial for scoring well. Questions may test diagnostic features, treatment approaches, or characteristic findings.