Porcelain restorations originated in the United States in the 1950s and have been used on a large scale in China for more than 10 years, and are very popular among the public because of their high strength, aesthetic appearance and relatively moderate price. Especially welcomed by patients who need cosmetic restoration. But porcelain teeth are a bit like antibiotics, there is a tendency to use too much, too much, too brown. Because porcelain dental cosmetic is expensive, doctors are willing to recommend porcelain dental cosmetic restorations, so this is also the most likely to be induced in dentistry, the most trapped treatment. Considering the porcelain crown cosmetic restoration on the teeth have certain damage, and the doctor’s technical level and material requirements are very high, so in a large number of porcelain dental restoration before you must be careful, to do to do the best.
A, the development of treatment plans in dental induction.
1, tooth misalignment, protrusion and crowding cases porcelain dental restoration called “adult fast orthodontic”, many also said their own original, how many papers published in the cloud. Suggest a large number of porcelain crown restoration, emphasizing the advantages of porcelain crown restoration: beautiful, fast time, 10 days to complete, less pain, etc.. And do not mention the porcelain teeth need a lot of grinding healthy teeth after the possible pulp problems, tooth fracture may increase, the teeth may increase the wear, the possibility of secondary restoration and other disadvantages. We emphasize that orthodontic treatment for adults is difficult, takes a long time to correct, is unattractive, and requires tooth extraction, but do not mention the advantages of orthodontic treatment that does not require the removal of healthy teeth, ensures long-term dental health, and has good long-term results. In the case of protruding teeth, there are even examples where it is recommended to remove the front teeth and do porcelain bridge repair. It is the first big misinformation.
It is recommended that the first choice is orthodontics, followed by no treatment, maintain the original state. If you are determined to cosmetic restoration, preferred porcelain veneers, followed by all-porcelain crowns, requiring a high degree of precision, and know all its adverse consequences.
2, the back teeth are continuously free missing or few teeth left, catering to the psychology of patients like fixed dentures, recommended full porcelain restoration or porcelain long bridge restoration, with short-term function at the expense of long-term health, and finally all the teeth are lost after three to five years.
Patients with free missing posterior teeth are recommended to finally use implant dentures, or sleeve crowns or precision attachments, and movable denture restorations.
3, mild/moderate tetracycline and fluorosis or tooth discoloration, a large number of porcelain restorations are recommended, while bleaching, porcelain veneer restorations and other all-ceramic restorations are not recommended or recommended.
4, fuss, small defects in teeth, common inducements are recommended porcelain dental restoration, while not recommended to have resin restoration, porcelain veneer restoration, posterior teeth and inlay restoration.
5, the promise of porcelain teeth for life is not bad, in fact, the life of porcelain teeth foreign statistics for an average of about 12 years, there is no very objective data in China, there may be shorter.
6, missing teeth are only recommended to do porcelain teeth and not implant restoration, because they can not carry out implant surgery.
7, multiple periodontitis, tooth loosening, in the absence of perfect periodontal treatment and pulp vitality assessment after the line of multi-unit porcelain dental restoration, because periodontal treatment is slow to take effect and a long time.
8. Some people get the exact answer porcelain crown material is imported material will gladly agree, in fact, all the porcelain powder is imported, the key is the doctor and technician skills, to pay special attention to precision restoration impression material.
Second, the dental trap in the treatment process
1, in order to save costs, sharing a numbing agent, mainly imported numbing agents such as Bilaan hemp, only to change the needle without changing the anesthetic, there is the possibility of cross-infection, to be absolutely prohibited.
2, the tooth preparation is too fast, the surface is skilled, but in fact the amount of preparation is not accurate, the surface is rough, there are inverted concave, the shoulder is not clear. Because ordinary people simply do not know the preparation of porcelain dental standards. It is strongly recommended to look at the original model of your prepared teeth, to believe in slow work.
3, porcelain restoration routine use of dental nerve extraction, without emphasizing the significance of the dental nerve on dental health, without mastering painless technology and live pulp preparation technology.
4, tooth preparation does not protect the gums, gum wear, bleeding serious knowledge as normal. Not mastering good gingival row technology, serious lack of awareness of the importance of gingival health to dental cosmetic restoration.
5, cost-saving use of cheap alginate impression material, instead of adding poly rubber or polyether rubber material, the impression is not clear, resulting in a serious decline in the precision of the edge of the porcelain crown, the consequences are endless.
6, the tooth color pale, dull form, not mastering the precise preparation, fine colorimetric and zoning colorimetric.
7, cosmetic restoration using porcelain with crown repair, the surface can be more solid, the actual mastery of accurate tooth preparation technology, after the teeth like a tight band spell, while the periodontal health is extremely detrimental. (Periodontitis exception)
8, porcelain surgery after the temporary crown to protect the abutment, or the use of inferior resin materials to produce temporary crowns, there is a great smell. Temporary crowns have aesthetic, pulpal protection, to maintain the position of the gums, chewing, to maintain tooth stability.
9, when wearing teeth for convenience, grinding a large number of natural teeth, indicating that the porcelain crown precision is poor, should be redone.
10, grinding the porcelain teeth did not do fine polishing or glaze, the teeth of the pair of serious wear in the long term.