This fact is from Tooth Morphology in Oral Anatomy & Histology. It is a commonly tested concept in NEET MDS examinations. Understanding this fact is crucial for answering MCQs correctly.
Cusp of Carabelli = maxillary first molars = 5th cusp mesiolingual
Longest tooth overall = maxillary canine
Smallest tooth = mandibular central incisor
Most common supernumerary = mesiodens
Widest mesiodistal = mandibular first molar
Bifurcation only = mandibular molars
Trifurcation = maxillary molars.