Al-azhar University

This study will compare two dental appliances—Quad Helix and Rapid Maxillary Expanders—to treat posterior cross-bite in 20 Egyptian children aged 9-12. The goal is to see which device widens the upper jaw more comfortably and effectively. Participants must have good oral hygiene …

This study checks if artificial intelligence (AI) can analyze dental X-rays as reliably as the standard manual method for diagnosing and planning orthodontic treatment. About 55 patients with crooked teeth will have their X-rays read by both an AI system and a human expert. The g…

This study looks at whether teaching people with long-term neck pain how to sleep better, along with doing special exercises, can improve their sleep and reduce pain-related disability. About 120 adults aged 20-55 with poor sleep and neck pain for over 3 months will take part. Th…

This study tests three low doses of a drug called dexmedetomidine, given with spinal anesthesia, to see which best prevents shivering after surgery. About 120 adults having ureteric stone removal will be randomly assigned to receive one of three doses or a placebo. The goal is to…

This study looks at whether a set of standard steps for treating sepsis—like quick blood tests, fluids, and antibiotics—can help patients get better faster. About 120 adults with sepsis or septic shock in the emergency department or ICU will be included. Researchers will compare …

This study tests whether applying a vitamin D gel (calcitriol) to one side of the upper jaw can speed up the movement of a canine tooth during orthodontic treatment. About 22 people aged 13 to 35 who need premolar extractions will take part. Each person will get the gel on one si…

This study looks at whether a quick, painless eye ultrasound can help predict a severe headache that sometimes happens after a C-section with spinal anesthesia. Researchers will measure the optic nerve sheath diameter before and after the procedure in 150 women. The goal is to fi…

This study looks at how the body responds to a small surgical procedure called corticision, which is done to help move lower front teeth downward during braces treatment. Researchers will measure certain chemicals in the gum fluid and use 3D X-rays to track tooth movement and roo…