Collapsed London Atlas scores of dental development from NMDID images by Stull. Do not apply mfh_collapse before using. Stages are already collapsed!
nmdid.test## `nmdid.test` A data.table with 188 rows and 10 columns:
Decedent record number from NMDID
age in decimal years
Collapsed London atlas score of left permanent mandibular teeth I1-M3