1. Brand: The common brands of resin filling materials include 3M, Densberg, Dentsply, etc. Different brands of materials have differences in performance, quality and price.
2. Material: The main component of resin filling material is polymer, and the polymerization degree, hardness and wear resistance of different materials are different.
3. Scope of application: Different kinds of resin filling materials are suitable for different tooth defects, such as front teeth, back teeth, big teeth, etc., and appropriate materials need to be selected according to specific conditions.
4. Wear resistance: The wear resistance of resin filling material is one of the important indexes to evaluate its service life. Generally speaking, materials with higher hardness have better wear resistance, but hard materials may cause harm to teeth.
5. Aesthetic degree: The aesthetic degree of resin filling material is one of the important indexes to evaluate its application scope. Generally speaking, materials with similar colors to teeth have better aesthetics, but there are differences in color matching between different brands of materials.
To sum up, many factors need to be considered when choosing a suitable resin filling material, including brand, material, scope of application, wear resistance, aesthetics and so on. It is suggested that patients choose suitable filling materials under the guidance of doctors.