Most frequent tooth to be impacted is: (A) Upper third molar, (B) Lower third molar, (C) Upper premolar, (D) Lower premolar
Answer is B. Impacted tooth Is the tooth that has failed to erupt completely or paially to its correct position in the dental arch and its eruption potential has been lost. Order of frequency Mandibular 3rd molar (i.e. Lower 3rd molar) Maxillary 3rd molar (Upper 3rd molar) Maxillary canine