Gingival recession

This trial tests whether adding injectable platelet-rich fibrin (i-PRF) or hyaluronic acid gel to standard free gingival graft surgery improves healing and reduces graft shrinkage. Adults with gum recession and insufficient keratinized tissue will be randomly assigned to one of t…

This study tests whether a special collagen matrix can replace tissue taken from the roof of the mouth to fix receding gums. Forty adults with at least two areas of gum recession will receive either the collagen matrix or a standard palate graft. The main goal is to see how much …

This study tests whether a cream made from phenytoin, a seizure drug known to cause gum overgrowth, can help receding gums grow back. Thirty adults who want to avoid surgery will apply either the phenytoin cream or a placebo paste. Researchers will measure changes in gum attachme…

Researchers at the University of Iowa are studying people with thin gum tissue who need a gum graft to cover exposed tooth roots. The trial compares two ways of preparing the gum bed before placing a graft: removing all tissue down to the bone, or leaving a thin layer of tissue o…