What are the disadvantages of root canal dental treatment?

Complicated surgery, generally 2-4 times to complete treatment. Patients have to bear the pain as well. Expensive, such as a dental surgery in the United States generally require $ 1,000, plus the crown is as up to $ 2,000.

May fail, leading to incomplete disinfection of the pulp cavity re-infection, resulting in the need extraction. Molar tube with 4 stud, the fourth stud tube can easily be missed, leading to failure. Another unusual shape of the root canal filling sterilization process may not complete. After the failure of root canal surgery is not necessary extractions.

Root canal treatment has remained pulp and periapical disease is the dental instruments main method. So people are very concerned about the efficacy of root canal treatment, especially after the high standards of treatment are still a number of reasons for the failure has been well received physician's attention. The reason is summed up in the following areas:

Anatomical factors, including collateral root canal, Vice root canal, apical and apical bifurcation and other differences; treatment of iatrogenic factors such as root canal-side wear was not found, over filling the root canal, crown due to the closed state best course of treatment, paper and tip, twist the remaining cotton, etc.

Root canal microbial infection has not been controlled in recent years outside of the root canal infection is particularly the concern of scholars.

At present, for the failure of root canal re-treatment, the choice is still conservative root canal treatment, that is a reasonable choice by analyzing the reasons for failure of root canal treatment, such as ultrasound, laser, microwave, selection of drug-sensitive How to do porcelain dental porcelain collapse bacteria in root canal treatment root canal, the thermal pressure vertical collateral filling the root canal filling techniques, deputy root canal and so on. In the case of conservative treatment fails, surgery may be considered tip, but adapted to strictly control symptoms and contraindications. Root canal treatment failure of re-treatment success rate of conservative treatment is about 66%, 23% failure rate, apical surgery a success rate of 59%, 19% failure rate between the two is no significant difference.