IV. Condition of tissues

Score	Criteria
4	Tissues are firm and appear healthy with no signs of abrasion or other injury caused by the dentures
3	The tissues are generally firm and appear healthy except for small isolated regions
2	Some movable tissue on the crest of ridge not previously present or irritated regions covering one-third of the denture bearing area
1	Large general regions of redness involving half or more of the denture bearing surface or a considerable amount of movable tissue not present before or both