1, zirconia: It is a high-tech cosmetic method for repairing teeth, which is made by computer-aided design, laser scanning and computer program control polishing.
2. Fiber post: It is a new nonmetallic composite dental restoration material, which is often used in conjunction with resin core and crown restorations to repair large-area tooth defects.
Second, the characteristics are different.
1, zirconia: good translucent appearance, high density and high strength, which can solve the problem that the all-ceramic system cannot be used as a long bridge. All-ceramic teeth have the characteristics of perfect sealing edge, no gingivitis and no obstruction to X-ray. Its biocompatibility is better than all kinds of metal crowns, and it can obtain lasting restoration effect in clinic.
2. Fiber post: It is favored by dentists and patients because of its advantages of no metal corrosion, good biocompatibility, excellent aesthetics, moderate elastic modulus and simple operation.
Third, the advantages are different.
1. Zirconia: no irritation to gums, no allergic reaction, and no gingival black line. It is very suitable for oral cavity, and avoids the adverse stimulation such as allergy, irritation and corrosion caused by traditional metal porcelain teeth in oral cavity.
2. Fiber post: Compared with traditional metal post, there are fewer complications such as root fracture, but there are occasional cases of fiber post core bonding failure or fiber post fracture in clinical reports. There may be many reasons for the failure of restoration, which may be related to the choice of clinical indications, tooth preparation, fiber post brand, clinical design of crown restoration or the use of patients themselves.
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