Measurement
PUFA: Pulpal involvement, ulceration, fistula and abscess (PUFA) index
Reference and/or access link:
Monse, B., Heinrich-Weltzien, R., Benzian, H., Holmgren, C., & van Palenstein Helderman, W. (2010). PUFA--an index of clinical consequences of untreated dental caries. Community dentistry and oral epidemiology, 38(1), 77–82. https://doi.org/10.1111/j.1600-0528.2009.00514.x