White and neat teeth can not only add points to your appearance, but also make you more confident. When your lips are light, clean and tidy teeth make your smile more vivid and charming. Let's take a look at porcelain tooth plastic surgery. But for various reasons, your teeth come in and out, not only dare not laugh, but also have to hide. In the new year, the temptation from beautiful teeth is unstoppable! Targeted selection of porcelain tooth materials can not only restore tooth function, but also have cosmetic effect, and become the first choice for people to treat and beautify teeth. However, many friends don't know how to choose porcelain materials in clinical practice. Dentists must carry out detailed personalized design and accurate size measurement according to each person's facial features, lips, tooth shape, gender, age and occupation. To make clinical preparations and provide accurate porcelain tooth models for specialist technicians. At the same time, choose appropriate porcelain materials to ensure that the shape and color of porcelain teeth meet aesthetic requirements. The midline of porcelain teeth should be parallel to the midline of face. When smiling, the upper floss should be parallel to the inside of the lower lip line, and the gums should be covered by the inside of the upper lip line. Using the proportion of porcelain teeth determined after the golden section can not only increase the sense of balance in the corners of the mouth when smiling, but also make the smile more natural, full of vitality and soul, and the restored teeth become comfortable and easy to use. To choose the right porcelain teeth, we must know the types and differences of porcelain teeth. Porcelain teeth are generally divided into metal porcelain teeth and all porcelain teeth. Metal porcelain teeth can be divided into non-precious metals, semi-precious metals and precious metals, and all-ceramic teeth can be divided into cast porcelain teeth and computer all-ceramic teeth. The materials they use are different, the processing technology is different, and the effect they achieve will be different. Therefore, the choice of porcelain tooth materials should be targeted. It is economical and practical to restore the function of teeth-titanium alloy non-precious metal porcelain teeth are cheap, but their compatibility with tissues is poor and irritating, which may cause allergic phenomena and discoloration. It is not recommended for customers to choose porcelain teeth made of this material. The representative of semi-precious metal porcelain teeth is titanium alloy, and its main component is titanium or palladium and silver. The price of titanium alloy porcelain teeth is between non-precious metals and precious metals, and its biocompatibility is better than that of non-precious metals, and it is also durable, which can avoid gingival bleeding and gingival blackening. But also economical and practical, and is suitable for the restoration of most teeth, especially for the fixed restoration of the fixed bridge of the posterior teeth.