Denting and Painting is of two components: One is removing dents, scratches on the vehicle external body are removed and re-made to look like how it looks before deformation. Second is painting the body with the nearest matching paint.

Denting is a technique that is a process that resolves any kind of deformity on your car’s surface. It ensures that the surface is not bulged or pressed and everything is even. Especially after accidents or roads mishap it might leave a dent on your car after the collision and it usually is visible and not just a ding, it is usually longer in diameters and can be spotted easily and you don’t want to be the one with a dented car. Denting is best done under expert technicians. Though there are a lot of diy’s available on the net some might work and some might not and usually they don’t. It requires proper technical knowledge and tools to correct the deformity. Try as you may only if you have tools or else it will be wasting your time. 

Painting on the other hand is the process of coloring the vehicle or color coating it if you have any scratches on the car and the paint has worn off after a collision or after rubbing against a bush or wire anything. One might want to get their car painted because they want a new color on their car. Before getting your car painted make sure to spend some time finding the right color, texture, and contrast with other parts. It surely is fun and rejuvenates the feeling of owning a new car. It requires a different kind of process and tools, which have to be used with utmost precautions. It takes time for a car to be painted and then a second coating or as many required, then letting it dry and keeping it in a dust-free area so that nothing gets stuck on it, all of these makes it a little longer process. So plan well before giving it off for the same. 

Painting and denting are not very expensive but very essential. Leaving the car with dents and scratches leads to corrosion or Rust which is dangerous for the car and also looks very unmaintained and shabby.
Denting and painting increase the car value, in terms of trade as well. If you are planning to sell your car then it is advised to get denting and painting done, it looks worth the value, saves rejections and your buyer never gets a feeling of a second-hand car.