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Root Canal Therapy
I UNDERSTAND that ROOT CANAL THERAPY includes possible inherent risks such
as, but not limited to the following, including the understanding that no
promises or guarantees of results have been made or are implied:
- The treated tooth may remain tender or even quite painful
for a period of time, both during and after completion of therapy. If pain is severe
or swelling occurs, it is imperative to call our office immediately.
There is also a possibility of numbness occurring and/or persisting in
the tongue, lips, teeth, jaws and/or facial tissues, which may be a result
of the anesthetic administration or from treatment procedures. This numbness
is usually temporary, but, rarely, could be permanent.
- In some teeth, conventional root canal therapy may not be
sufficient. If the canals are calcified, roots excessively curved or inaccessible,
inadvertent pulp chamber or root perforation my occur, requiring surgical
treatment or extraction.
- Root canal treated teeth must be protected. These teeth may become
brittle and, due to undermined or reduced tooth structure, may be
subject to cracking or fracturing. Crowning or capping the treated tooth
is the best precautionary measure. To help avoid this from occurring,
this procedure should be performed as soon as possible after treatment.
- Root canal therapy is not always successful. Many factors influence
success: adequate gum tissue attachment and bone support; oral
hygiene; previous and present dental care; general health; trauma; pre-existing
undetected root fractures; accessory or lateral canals; etc. It
may be difficult to place filling material to the end of the tooth (overfill),
which can, in some cases cause inflammation, nerve damage resulting
in temporary or in rare cases, permanent numbness of the lip. Surgery
may be required to remove excess filling material. Even though
a tooth may have appeared to be successfully treated, there is always
the possibility of failure making retreatment, additional root
surgery (apicoectomy) or extraction necessary. If a bridge abutment or
crowned tooth requires endodontic therapy, the chance for perforation
is enhanced due to obscured anatomy.
- A crown abutment or crown (cap) may be damaged or destroyed during rubber dam application, access preparation, or other procedures
as part of endodontic therapy. Porcelain is particularly susceptible
to fracture or cracking, and an existing porcelain crown may have
to be remade, particularly if the pre-existing crown is all-porcelain
in design.
- Root fracture is one of the primary reasons for root canal
failure. Unfortunately, “hairline” cracks
are almost always invisible and undetected. Causes of root fracture are
trauma, inadequately protected teeth, initial cracking of the coronal
portion of the tooth, pre-existing large fillings, improper bite, excessive
wear, habitual grinding of teeth, etc. Root fracture after or prior to
treatment usually necessitates extraction.
- There are alternatives to root canal treatment. These alternatives
(though not of choice) include; no treatment; extraction followed
by bridge or partial denture placement; and/or extraction followed
by implant and crown placement.
- Because of the fragility and small diameter of root canal
instruments used in root canal treatment, there exists the possibility of instrument
separation (breakage) which may or may not be detected at time
of treatment. Although it is often possible to bypass or incorporate
separated instruments within the filling material, instrument separation
may result in the need for retreatment, surgical retrieval or extraction
of the tooth.
- Medications. Analgesics and/or antibiotics may need to be prescribed
depending on symptoms and/or treatment findings. Prescription drugs
must be taken according to instructions. Women on oral contraceptives
must be aware that antibiotics cause these contraceptives to be
ineffective. Other methods of contraception must be utilized during
the treatment period.
- Irrigants. During root canal therapy, irrigants are used to
enhance tissue removal and to disinfect the tooth. Occasionally
these irrigants may enter the surrounding tissue or bone and can
cause pain, swelling, inflammation and in rare cases, tissue necrosis.
- ONCE TREATMENT IS BEGUN, it is absolutely necessary that the
root canal treatment must be completed. One or more appointments may
be required to complete treatment, it is the patients responsibility
to seek attention should any unanticipated or undue circumstances
occur. Also, the patient must diligently follow any and all preoperative
and/or postoperative instructions given by the dentist and/or the
staff.
INFORMED CONSENT: I have been given the opportunity to ask any
questions regarding the nature and purpose of root canal treatment
and have received answers to my satisfaction. I have been given
the option of seeking this treatment from a specialist. I do
voluntarily assume any and all possible risks including, but not limited
to, those listed above, including risk of substantial harm, if any,
which may be associated with any phase of this treatment in hopes
of obtaining the desired potential results, which may or may
not be achieved. No promises or guarantees have been made to me concerning
the results. The fee(s) for this service have been explained
to me and are satisfactory. By signing this document, I am freely
giving my consent to allow and authorize Dr.________________
and/or his/her associates or agents to render any treatment necessary
and/or advisable to my dental condition(s), including prescribing
and administering any and all anesthetics and/or medications.
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