Mansoura University

This study tests whether 3D-printed fixed braces (Twin Block) or MARA appliances work better for correcting a common jaw misalignment in preteens. About 60 children with a small lower jaw will be randomly assigned to one of the two treatments or a no-treatment group. The goal is …

This study looks at two types of braces for teenagers aged 12-15 with a specific overbite (Class II malocclusion). One brace is custom-made for each patient, the other is a standard ready-made version. Researchers will measure how long treatment takes, changes in jaw and teeth po…

This study looks at a new 3D-printed device that attaches to the upper jaw with tiny screws to widen it in young adults aged 18 to 30. The goal is to fix a narrow upper jaw or crossbite. Researchers will use special X-rays to measure changes in the jaw bone and tooth position aft…

This study tests whether a stellate ganglion block (an injection near nerves in the neck) given before mastectomy can prevent depression and chronic pain after surgery. The trial will include 140 women with breast cancer scheduled for mastectomy. Researchers will measure depressi…

This study tests whether injecting botulinum toxin (Botox) into the surgical wound can reduce scarring after cleft lip repair. About 32 people with unilateral cleft lip will receive the injection, and scar width and appearance will be measured. The goal is to see if this simple a…