An existing patient of my practice presented today complaining of soreness on chew, especially something hard. “It hurts somewhere up there, on top to the left”, she said.
The first thing to remember; there was no swelling of the patient’s face, nor around the gum of the teeth in question. Another key point, was that there was no response to cold or hot stimuli. Specifically, the patient exhibited a dull pain upon chewing down on my carefully positioned cotton roll. Subsequently, a radiograph of the maxillary first molar area was taken by my assistant. Behold! Not to mention, THIS TOOTH WAS PREVIOUSLY TREATED BY ME WITH ROOT CANAL THERAPY SEVERAL YEARS AGO. Moreover, the radiograph demonstrated an area of radiolucency (black shadow) just at the tip of the roots of the first molar. In other words, this indicated inflammation/infection.
Failing Root Canal of the Maxillary First Molar
For that reason. I initiated antibiotics to keep area in “check” until I can get the patient back to Re-root canal the First Molar.
A root canal is a technically difficult procedure performed by a dentist. The process consists of two parts. First, the dentist mechanically removes infected biological material( nerve) utilizing very fine nickel titanium files from within tooth’s core. Second, the dentist packs inert material (gutta percha) to hermetically seal this evacuated space. In effect, the dentist removes the nerve of the tooth via a micro rotor-router approach and fills the emptied nerve chambers with rubber.
But Why Did That Previously Root Canal Treated Tooth Fail?
A previously root canal treated can fail creating that annoying discomfort for any number of reasons:
The most dominant reason of failure is due to insufficient irrigation by the operator in removing the infected biological debris from within the nerve chamber and canals. In short, bleach irrigation floats debris out of the shaped canal space. In essence, remaining debris can set up an environment for reinfection. In summary, every thing biological must come out from within the tooth.
On occasion, an Accessory Canal can be missed. Incidentally, canals are extremely small; the width of a human hair sometimes. Moreover, I use magnifying loupes in practice and I still miss identifying them, although rarely. By the way, the maxillary first molar has accessory canals 69.2 % of the time.
Sooner or later, an Improper fill can lead to a seepage of bacterial laced saliva back into tooth to reinfect. This is one reason why I strongly recommend to cover and ultimately seal your root canal treated tooth with a crown.
Generally speaking, a cracked root will lead to a failure of a previously treated root canal tooth. In a word, that’s a bad failure. In the final analysis, out comes the tooth and in goes the implant.
Above all, many retreatments can be successful. In reality, a failing root canal treated tooth can be resurrected with a little bit of patience and clever skill.
Below is another one of my many successful root canal treated cases in chronological order.
Dr. Emilio & Associates, Always Accepts New Patients. He especially exceeds at treating same day emergencies patients suffering from tooth ache pains.
His goal is to keep his patients’ Teeth and Gums Healthy For Life.
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