I understand that the results of my ZDW and ZNW Treatment cannot be guaranteed.
I understand that take-home whitening treatments are considered generally safe by most dental professionals. I understand that although my dental professional has been trained in the proper use of the ZDW and ZNW whitening system, the treatment is not without risk. I understand that some of the potential complications of this treatment include, but are not limited to:
Tooth Sensitivity/Pain – During the ZDW and ZNW treatment, some patients can experience some tooth sensitivity or pain. This is normal and is usually mild, but it can be worse in susceptible individuals. Symptoms should subside within 1-3 days. People with existing sensitivity, recession, exposed dentin, exposed root surfaces, recently cracked teeth, abfractions (micro-cracks), open cavities, leaking fillings, or other dental conditions that cause sensitivity or allow penetration of the gel into the tooth may find that those conditions increase or prolong tooth sensitivity or pain after ZDW and ZNW treatment.
Gum/Lip/Cheek Inflammation – Whitening may cause inflammation of your gums, lips or cheek margins. This is due to inadvertent exposure of a small area of those tissues to the whitening gel. The inflammation is usually temporary which will subside in a few days but may persist longer and may result in significant pain or discomfort, depending on the degree to which the soft tissues were exposed to the gel.
Cavities or Leaking Fillings – Most dental whitening is indicated for the outside of the teeth, except for patients who have already undergone a root canal procedure. If any open cavities or fillings that are leaking are present, allowing gel to penetrate the tooth could result in significant pain. I understand that if my teeth have these conditions, I should have my cavities filled or my fillings re-done before undergoing the ZDW and ZNW treatment.
Cervical Abrasion/Erosion – These are conditions which affect the roots of the teeth when the gums recede and they are characterized by grooves, notches and/or depressions that appear darker than the rest of the teeth, where the teeth meet the gums. These areas appear darker because they lack the enamel that covers the rest of the teeth. Even if these areas are not currently sensitive, they can allow the whitening gel to penetrate the teeth, causing sensitivity. I understand that if cervical abrasion/erosion exists on my teeth, these areas will need to be covered with dental dam by my dental professional prior to my ZDW and ZNW treatment.
Root Resorption – This is a condition where the root of the tooth starts to dissolve either from the inside or outside. Although the cause of this is still uncertain, I understand that there is evidence that indicates the incidence of root resorption is higher in patients who have undergone root canals followed by whitening procedures.