TY - GEN AU - Schulman,M L TI - Orthodontic economic index--1984 SN - 0022-3875 PY - 1984///1018 KW - Adult KW - Child KW - Costs and Cost Analysis KW - Fees, Dental KW - Humans KW - Income KW - Orthodontics KW - economics KW - Practice Management, Dental N1 - Publication Type: Journal Article ER -