In fact, the success rate of root canal treatment in the clinic is not very high, between 75-85%. If the dentist performs root canal retreatment, the success rate decreases further.
Reasons for root canal retreatment
Pain is a common symptom. If the severe pain that occurs in the tooth after the root canal treatment is completed. The root canal of this tooth has not been thoroughly treated. Of course, tooth pain is usually caused by the tooth itself. However, sometimes the pain is not caused by the tooth. The patient may experience mild pain after the root canal treatment. This pain is a normal reaction. Patients should be aware of the distinction.
Apical abscess is also a typical symptom. The gums will grow with pus. Patients will have pain until the abscess grows. After the abscess has formed, the pain will decrease. If the patient does not go to the clinic in time, the pus will flow out.
Difficulties of root canal retreatment
Root canal retreatment is difficult. The dentist has to remove the sealant and cement left from the last treatment. The tooth can only begin root canal treatment. After the second root canal treatment, the x-rays do not reveal any problem, but the patient always feels a little uncomfortable. This is an after-effect of multiple procedures. Choosing a root canal specialist at the time of treatment can avoid the discomfort after treatment.
Root canal retreatment procedure
First the dentist removes most of the tooth surface with a fissure drill. The dentist uses an ultrasonic instrument to shatter the filling in the upper part of the root canal and then flushes and removes it. The dentist uses a syringe to inject a special liquid into the root canal to dissolve the original filling. Finally, the dentist rinses with saline and then performs root canal preparation and disinfection.
When a dentist informs a patient of the need for a second root canal, he or she will emphasize that there is still a chance that the treatment will fail. Nevertheless, more and more root canal specialists are recognizing that root canal retreatment is a very successful treatment that can save a patient’s tooth.
If the dentist is a root canal specialist and has extensive experience The practice has advanced root canal treatment equipment. The success rate of root canal retreatment can be up to 95%. However, some patients are unable to heal even after multiple root canal retreatments. At this point, the dentist will perform a root end resection, removing a portion of the compressed root tip. Patients can ask your root canal specialist which option is right for you.