1, safety: less tooth tissue is removed. Porcelain veneer can remove less tooth tissue, even no tooth tissue in some cases, and can preserve a large amount of tooth tissue without killing nerves, basically control the sequelae of post-operative crown restoration such as pulpitis and necrosis, and maintain the long-term health of natural teeth.

2, beautiful: the simulation effect is good. The simulated cosmetic effect of porcelain veneer has the same optical characteristics as that of natural tooth tissue, does not contain any metal components, presents the best aesthetic effect, and will never appear the common gingival black line phenomenon of porcelain teeth. There are many kinds of porcelain blocks with different colors to choose from when making porcelain veneers, and external dyeing can be used to fine-tune the colors.

In clinical bonding, a variety of adhesives and white masking agents with different shades can be used to assist in adjusting the color of porcelain veneers, so as to achieve an overall coordinated cosmetic effect. Moreover, porcelain itself has high wear resistance and non-staining, which can make porcelain veneer achieve permanent whitening effect.

3, health: less irritation to gums. Porcelain veneer has excellent light transmission, and teeth can be flush with gums when preparing, which is beneficial to protecting gums, making impressions and bonding porcelain tiles. The area connected with the gum is only on the labial side, which is less irritating to the gum.

There will be no gingival discoloration caused by metal ions of porcelain fused to metal teeth. The hardness of porcelain crown is greater than enamel, which will cause wear on jaw teeth. However, the hardness of porcelain veneer is lower than that of enamel, which can effectively protect the opposite jaw teeth.

Second, shortcomings.

There are inappropriate people:

1, there is not enough bonding surface, such as teeth dislocated on the labial side or lingual side, people who are used to breathing with their mouths, or people with abnormal occlusion of upper and lower teeth.

2. The distance between adjacent teeth is more than 2mm.

3. Those who have the habit of grinding their teeth at night

Extended data:

Dental veneers are suitable for people:

However, it does not mean that tooth veneer whitening is suitable for all types of teeth, and its suitable population includes:

First, abnormal teeth, hypoplasia of enamel and small teeth.

Second, moderate and severe tetracycline teeth and dental fluorosis.

3. Incision defect caused by tooth surface caries or superficial large area caries.

Fourth, teeth with sparse teeth or slightly twisted teeth that do not want to be corrected but have normal occlusion.

Five, drug-induced discolored teeth.

Sixth, hereditary yellow teeth.

Seven, serious cases of teeth with cracks, defects and potholes.

Patients who do tooth veneering should be cautious, "prescribe the right medicine" according to their personal situation, and go to a regular hospital to ensure the good effect of restoration.

Baidu encyclopedia-tooth veneer

Baidu encyclopedia-veneering