Kitchen cabinets deal with heat, moisture, and daily use, so the material choice matters more than many people expect.
Wood cabinets usually feel stronger and more natural. They give kitchens a warm and solid look that yo many people like. Real wood can also last for many years if it is maintained properly. Small scratches can sometimes be repaired easily, and the cabinets often age better over time.
But in wet kitchens, wood can still react to moisture. If water keeps reaching certain areas, the wood may expand slightly, bend, or lose its finish over time.
MDF cabinets are smoother and usually cheaper than real wood. They are very common in modern kitchens because they give a clean painted finish. MDF also does not crack as easily as natural wood in some situations.
The problem is that MDF handles water poorly once moisture gets inside. If the outer layer becomes damaged and water enters, the material can swell and weaken quickly.
I think wood cabinets are better for long-term durability, while MDF cabinets are better for appearance and lower cost. In wet kitchens, proper sealing and ventilation matter for both materials.