King Abdullah University Hospital

This study tests whether a gel called Nano-biofusion (NBF) can speed up healing of the wound on the roof of the mouth after gum graft surgery. About 36 adults will apply either the NBF gel or a placebo gel four times a day for four weeks. Researchers will measure wound size, pain…

This study looks at whether using a whitening gel once or multiple times during a dental visit changes how much tooth sensitivity people feel and how white their teeth get. About 60 adults with healthy teeth will try one of two whitening gels. The goal is to find a way to whiten …

This study tests whether a pure green tea mouthwash can reduce dental plaque and gum inflammation better than a placebo or essential oils mouthwashes. Healthy adults will rinse twice daily for 3 weeks without any other oral hygiene. Researchers will measure plaque buildup, gum he…

This study tests whether giving ketamine during laparoscopic gastric sleeve surgery can lower the chance and severity of shoulder pain afterward. About 50 adults having this weight-loss procedure will be randomly assigned to receive ketamine or not as part of their anesthesia. Re…