This fact is from Impacted Third Molars — Classification & Removal in Oral & Maxillofacial Surgery. It is a commonly tested concept in NEET MDS examinations. Understanding this fact is crucial for answering MCQs correctly.
Winters classification = vertical horizontal mesioangular distoangular
Pell and Gregory = depth Class I II III and ramus relation A B C
Most common impaction = mesioangular lower third molar
Most difficult extraction = distoangular
Lingual split technique = ward procedure
Buccal approach = conventional
Coronectomy = intentional partial removal for IAN proximity.