Porcelain veneer has always been a challenge for the restoration of severe tetracycline teeth, and now there is a new understanding of this problem.
Suitable for tetracycline teeth patients who do not want to remove a large number of teeth.
Porcelain veneer started in the United States in the 1980s. Because natural teeth are less removed, the color, shape, arrangement and size of teeth can be changed at the same time, so as to achieve a perfect and lasting cosmetic effect.
The most popular cosmetic repair method in Europe and America.
Porcelain veneers are actually shell-like pieces of porcelain glued to the surface of teeth.
The commonly used materials for porcelain veneer are feldspar porcelain and new IPS EMPREE cast ceramics.
EMPRESS belongs to the white garnet enhanced type, with small shrinkage and high precision.
Porcelain veneers are translucent and similar to enamel.
Porcelain veneers utilize the enamel layer of the tooth and rely on high-strength resin bonding to provide adequate retention.
The advantages of porcelain veneer are safe: there is less tooth tissue, so a large amount of tooth tissue can be preserved, there is no need to kill nerves, basically control the postoperative pulpitis, necrosis and other sequelae of full crown restoration, and can maintain the long-term health of natural teeth.
Beauty: GOOD transparency AND shading, with the same optical characteristics as the natural tooth tissue, does not contain any metal components, showing the best aesthetic effect, absolutely will not appear the common black line phenomenon of porcelain teeth.
When making porcelain veneer, five different color porcelain blocks can be selected, and external dyeing can be used to fine-tune the color.
There are five different shades of adhesive and white mask can be used to adjust the color of porcelain veneer to achieve the overall harmonious cosmetic effect.
And the high wear resistance of porcelain itself and non-coloring can achieve permanent whitening effect.
Health: porcelain veneer has excellent light transmittance, tooth preparation can be flat gums, which is conducive to impression and bonding.
The area connected with the gums is also only on the lip side, which is less irritating to the gums.
There is no metal ions in metal ceramic teeth that cause gum discoloration.
The hardness of porcelain crown is greater than that of enamel, which can cause the wear of jaw teeth.
The hardness of the tip of IPS Empress porcelain casting was lower than that of tooth enamel, which could effectively protect the opposite teeth.
Comfort: Full crown restoration requires the removal of natural teeth on the lingual side, which are usually healthy and in perfect harmony with the tongue and matching teeth. The best porcelain crowns cannot be restored to their previous state.
Porcelain veneer restoration preserves most or all of the lingual morphology, effectively protecting the opposite teeth.
