More types of mobile phones, and the structure can be divided according to speed and low-speed high-speed mobile phones, high-speed mobile dental handpiece using high pressure air driven turbine handpiece for micro turbine speed can be up to 300,000 to 500,000 r / min, bur cutting speed can be up to 15m / s, while the low-speed mobile dental handpiece because it is gear, speed can be transferred per minute for thousands of 30000 rpm.
2013年7月21日星期日
tetracycline treatments are available
Tetracycline treatments are available? Tetracycline tetracycline led to a fundamental culprit, we can not change the past, only to calm in the face of reality, for now
In the tetracycline to treat but can be changed to achieve has a bright white teeth, then tetracycline treatments are available?
Dentists say, tetracycline during High Speed Handpiece tooth development is taking a greater amount of tetracycline drug-induced. Tetracycline binding to the tooth tissue, the tooth color, which
Kinds of color for the sun to promote gradually become darker colored front teeth therefore generally more pronounced than the posterior teeth. Since only the administration during tooth development can lead to hair tetracycline
Students, so now some people "talk tetracycline discoloration" can be described as unfounded. To prevent tetracycline, pregnant or lactating women, and not suitable for children under 8 years old
Use of tetracyclines, 8 years after taking Tetracycline is not significantly affected. Although tetracycline coloring is permanent, but it is not incurable, the most
There are three common approach:
First, the crown restoration: Applies to all dental lab tetracycline, masking effect. But need to wear in addition to more tooth structure may cause pulpitis. Some dentists think that to
Avoid pulpitis possible, should be preceded by the crown becomes vital teeth without dental pulp. Currently crown is generally used porcelain crowns, after its restoration vivid color, but the price
High, complex process.
Two, veneers treatment: enamel hypoplasia applicable to those who, but for severe tetracycline stained teeth, ineffective. The treatment needs in addition to a small amount of enamel wear in
Tooth surface mount resin, porcelain and other materials, making higher, shape, color better and affordable. But after treatment, veneers easy to fall off, the teeth can bite hard objects.
Third, the bleaching treatment: This applies to tooth colored light, not accompanied by enamel hypoplasia. Bleaching treatment methods can be divided into inner and outer bleach. Bleaching is bleach
Placed inside the tooth, good clinical results, the disadvantage is that you want to become non-vital teeth dental pulp. Bleach is bleach outside into the tooth surface, the effect is better Bleaching, but without
Damage teeth.
订阅:
博文评论 (Atom)
没有评论:
发表评论