Porcelain laminate veneer is a thin layer structure, which can be directly covered on the tooth surface, to improve the color of yellow stained teeth, improve the morphology of abnormal teeth and close the gap. Due to the teeth preparation of porcelain laminate veneer is only in the tooth enamel, it is more conducive to the protection of dental pulp.
What are the advantages of porcelain laminate veneers?
(1) the color is beautiful, it can imitate the shape and structure of the natural tooth, and the surface characteristic of the natural tooth.
(2) the porcelain veneers by hydrofluoric acid etching, its strength is stronger than other veneer.
(3) the surface of porcelain laminate veneers is engaged in polishing, plaque is difficult to attach, so conducive to healthy gums.
(4) the close affinity of the edge is good, it is good to reduce the gingival irritation and edge leakage.
(5) porcelain inner strength is high, wear resistance and wear ability is strong.
(6) better color stability than other types of veneers, no swelling, edge of twilight or dyeing phenomenon also than other types of veneer.
What are the drawbacks of porcelain laminate veneer?
(1) the production of indirect method, the clinical and technical process are high standard, the operation is fine, the production process is time-consuming.
(2) two visits were required.
(3) the price is higher than the direct method and the indirect method.
(4) need to try in paste mixed color before bonding, once with enamel bonding, does not change color.
(5) the porcelain laminate veneer is more brittle, and the operation is difficult to produce, and the adhesive is easy to break.
(6) with the teeth after bonding, if the porcelain layer fracture and other issues are not easy to repair, must be re-produced.
(7) the shading effect of the key stained teeth is not good.
(8) dental preparation is more stringent than the direct method of composite resin veneer.
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