This fact is from Space Analysis & Extractions in Orthodontics. It is a commonly tested concept in NEET MDS examinations. Understanding this fact is crucial for answering MCQs correctly.
Careys analysis = mixed dentition space analysis
Moyers probability table = prediction of unerupted teeth
Bolton analysis = tooth size discrepancy
Extraction patterns: 4 first premolars most common
Serial extraction for severe crowding early treatment
Leeway space = difference E and 5
Nance analysis = arch perimeter.