Due to the complexity of the oral environment, coupled with people bad lifestyle and eating habits, leading to the high incidence of dental caries, the expert pointed out: suffering from dental caries early dental restoration, fillings, dental materials the advantages and disadvantages for which we fill dental materials and the advantages and disadvantages to a simple understanding.
Dental materials on dental materials, dental clinical dozens of species, but with the continuous advancement of dental technology, more and more dental materials used in dental clinical repair. Here we take a common complement of teeth in dental bed materials and the advantages and disadvantages to a detailed understanding of
Dental materials, dental experts pointed out that: dental materials, depending on the material composition can be divided into the following three categories:
1. Mercury class of agents: mercury and alloy powder, commonly used in silver amalgam, and the soft plastic, easy to operate, extremely resistant hardened the highest of all materials, the sustainable use of ten years or even decades. Low price. Mercury agent class dental materials with conductivity, improper use Elderly friend tooth to be careful will stimulate the pulp, lack of adhesion, the cavities must be prepared into a certain shape, or easy to fall off, inconsistent with the tooth color is gray metallic color, can not be used in all cavity. Mostly used in dental filling is rarely used in anterior teeth.
2. Resin: resin filling material, synthetic resin, composite resin and natural resin gutta, its advantages: the color and teeth coordination, based on tooth color selection and its tone to match the resin fillings, transparency, good appearance effects, wear strong, second only to the strength of the amalgam, strong adhesive force. Resin dental materials Disadvantages: to stimulate strong, improper use can cause pulpitis, taboo and phenolic drug exposure, or do not harden.
3. Metal salt powder cements: zinc phosphate cement powder, has a certain strength and viscosity and heat conductivity. The disadvantages are: stimulating and solubility, and used for the bottom of the cavity medium depth.
Through the above description, we can see the different nature fillings materials, their advantages and disadvantages of the scope of a certain distinction, dental experts have warned that the majority of patients: the selection An important indicator of tooth whitening of specific dental materials, should be under the overall guidance of professional doctors, according to each person oral case may be, only select the most suitable for their own dental restorative materials is the best.
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