The most important point is to have the blades aligned correct to have smooth and fine, clean cuts mostly. It is the best results that can be derived from table saw though it mostly depends on the user and how fine is his work. If he isn't very good at it then the thing will come out shabby and bad and if the guy can do it smooth and well then the credit is mostly his. Blades matter may be 25% of it all, the rest is the skill of using it. People cant always do it well the first time but with time and experience they seem to gain confidence and just do better and better.
The miter shot might just turn out to be crucial so ensure the blade is well made. It has a good coat on it and which reduces friction and makes the cuts smoother. There are many table saw blades available, choose the one that suits you. The rip ones are good for cutting joints and it smoothly cuts the areas where adhesive is to be used. These blades are mostly used in places that are hard and tough and a difficult nut to crack. To get a smooth rip cut there are certain special features that table saw must necessarily have like a 30 set sharp teeth and a good width of the device itself.
There are saws with eighty teeth found in the market but all these blades help only if the guy who is working with it knows how to use it. The angle needs to be greater than ten and therefore a smooth cut will happen. Most users buy this for regular use and nothing too heavy. They don't like to waste time in changing blades. If the user gets himself a combo blade he should know how to safely use it and not end it in a disaster.