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The truthiness of extracting wisdom teeth: James R. Carey

Posted on 04. Oct, 2011 by .


An excellent article was written yesterday October 3, 2011, titled “The truthiness of extracting wisdom teeth” by James R. Carey who is a Professor of Entomology at UC Davis

The article is located at and I think it is well worth a read for anyone considering wisdom teeth removal.

He opens the article with

In this age of evidence-based health care, I was astonished to discover that the oral surgeon’s recommendation for removal of my 21-year-old daughter’s impacted wisdom teeth was not based on evidence, theory, logic or facts but rather on truthiness — the quality of being considered to be true because of what he wished.

He goes on to say

“Yet it is considered by dentists, oral surgeons and the majority of the public as “standard of care.” Neither I nor any family members or friends were aware that evidence is lacking on the benefits of wisdom tooth extraction in young adults.”

I discovered this after leaving the oral surgeon’s office and researching the topic online. One of the most insightful articles I read was by Los Angeles dentist Jay W. Friedman, recipient of the 2009 Author of the Year award from the American Journal of Public Health, in which he noted that all of the arguments used by dentists for extraction of wisdom teeth are myths.”

He then goes on to say

So why was I not only oblivious of the lack of benefits from wisdom teeth extraction, but also unaware of the potential health risks? Probably for two reasons. The first is that there is a substantial financial incentive for my daughter’s oral surgeon and others in his profession to recommend extraction to their patients by telling us their “truthiness” story as though it is deep principle. …The second is that early extraction resonates as a prevention concept in the same way that tonsillectomies resonated with my parents in the 1960s as preventative.”

Dr. Carey goes on to suggest that medical and veterinary schools should make changes to their curriculum to educate their patients and evaluate research literature evidence.

He concludes

“A new concept of health care can then begin to emerge in which caregivers and their patients create a close, mutually beneficial partnership of information sharing and decision-making.”

I am not sure if Dr. Carey visited my website, but I echo many of his thoughts and observations.

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Long Term Effects of Trigeminal Nerve Injuries from Dental Care

Posted on 03. Oct, 2011 by .


A study was published in the Journal of Oral and Maxillofacial Surgery titled “Long-Term Outcome of Trigeminal Nerve Injuries Related to Dental Treatment” by M. Anthony Pogrel, Ryan Jergensen, Eric Burgon, and Daniel Hulme. (vol. 69, pages 2284-2288, 2011) that looked at long-term effects of those who suffer from permanent nerve injury from dental treatment particularly involving the third molars or wisdom teeth.

A total of 145 patients with 95 female and 50 male patients were involved in the study who had suffered a trigeminal nerve injury affecting either the inferior alveolar nerve or lingual nerve and in 8 cases both nerves. Nineteen patients (13.1 %) reported that their employment was affected, while 21  patients (14.5%)  reported problems with their relationship, 53  patients (36. 6%) reported depression, 55  patients (38%) reported problems speaking and pronouncing words correctly, 63  patients (43.5%) reported problems eating, and 1 patient reported a significant change in his appearance. Twelve patients (8.2%) were reported to have gone on to make a late full recovery.

Some of the coping mechanisms the patients used include getting used to it (64), prayer and mediation (7), ice and heat packs (3), pressure on teeth (3), exercise and yoga (3), antidepressants (2), chewing gum (2), relation and acupuncture (2), and other methods included keeping a journal, alcohol, massage, and herbal medicines.

The authors state:

“In this study, the encouraging news is that in general terms, patients did tend to improve with time, with over 8% going on to full recovery, although it is unclear in some cases whether this recovery was a true neurological improvement or the development of coping mechanisms.”

It is not clear from the results if the improvement in symptoms in a few of these patients was due to and an actual improvement or just the better ability to cope. I agree that I think this is hard to say.

The authors also mention the ability for surgical exploration which did not occur in all these patients but is a possibility within 9 months after injury to the trigeminal nerve following a wisdom tooth extraction

  • Patients with a witnessed transection
  • Patients who are still totally anesthetic at 8 weeks postinjury, with no signs of recovery
  • Patients with severe dysesthesia at 8 weeks postinjury, who are showing no improvement
  • Patients at 4 months postinjury, who have less than 30% return of function (or do not have protective reflexes), or have severe dysesthesia

For the patients in the study who did have surgery some were helped but none fully recovered.

Consequently many of these patients suffered from a permanent decrease in their quality of life.

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Periodontal disease (gum disease) might increase the time it takes to become pregnant

Posted on 01. Oct, 2011 by .


Research presented at the the European Society of Human Reproduction and Embryology earlier this year showed that periodontal disease (gum disease) might increase the length of time it takes for a woman to become pregnant. Periodontal disease has been linked to many different types of systemic disease. Periodontal disease can lead to inflammation and bleeding around the gums which can lead to spaces called periodontal pockets.

The research was led by Roger Hart who is a Professor of Reproductive Medicine and is also Medical Director of Fertility Specialists of the University of Western Australia. A total of 3737 pregnant women in the study were followed and outcomes of pregnancy were looked at for 3416 of the 3737 pregnant women. It was found that women who had periodontal disease (gum disease) took around 7 months to become pregnant while those women who did not have periodontal disease took roughly 5 months to become pregnant.

Professor Hart said

“Our data suggest that the presence of periodontal disease is a modifiable risk factor, which can increase a woman’s time to conception, particularly for non-Caucasians. It exerts a negative influence on fertility that is of the same order of magnitude as obesity.”

The reason why non-Caucasians have longer time’s to conception while having periodontal disease may be due to a higher level of inflammatory response.

More information on periodontal disease and how it is a risk of keeping wisdom teeth is found on the risks of keeping wisdom teeth page on this site.  Due to the link of periodontal disease with many different types of systemic disease it has received much attention from researchers lately and is often a reason given for why healthy wisdom teeth should be extracted at a young age.  Even so there is a lot of controversy on whether or not healthy wisdom teeth should be extracted as discussed on the wisdom teeth controversy page of this site.

Source: European Society of Human Reproduction and Embryology. Gum disease can increase the time it takes to become pregnant. July 5, 2011.

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How to Really Know if Wisdom Teeth Really Need to be Removed

Posted on 29. Sep, 2011 by .


Earlier today a article appeared in the Huffington Post titled “How To Know If Wisdom Teeth Really Need To Be Removed.”

The author attempts to discuss some of the ongoing debate regarding extracting wisdom teeth.

He talks about how doctors are fair and responsible.

However, the American Association of Oral and Maxillofacial Surgeons (AAOMS) continues to say on their webpage on wisdom teeth

It isn’t wise to wait until your wisdom teeth start to bother you.

I would think a fair and responsible doctor would agree that the current scientific evidence should be presented to the patient of an elective procedure of teenagers and young adults such as described here

The author then refers to a study and says:

“Interestingly, early removal of wisdom teeth (when the teeth have hardly any of the roots formed) has been shown to result in very predictable and successful outcomes, with hardly any gum pockets, dry sockets, nerve injury or infections developing post-operatively.”

In fact when I had my wisdom teeth extracted I was never told of the scientific evidence, that wisdom teeth are not extracted that are healthy in the U.K due to the risk of harm., nor was I told of many of the complications.

I was left with a 24/7 headache as a result of the extractions after just having turned 20. I received no compensation for my injuries. I don’t see any evidence to suggest that oral surgeons and dentists are adequately disclosing to their patients such serious life alternating injuries in the informed consent process.

In fact numerous physicians groups such as AAOMS and the AMA are advocating for a caps on possible non-economic damage caps be to reduced to $250,000 at the national level

Young teenagers and adults who go to have their disease free healthy teeth removed can in on occasions suffer a life alternating complication such as a lasting headache.

If doctors were fair and responsible they would be advocating for fair compensation or some sort of insurance to be provided for those unfortunate people who fall in this category where the current legal system is of no use for them. See for more information.

I don’t see how it is reasonable to advocate for a surgical procedure that can cause major harm in a small number of instances to a young and healthy individual when they had no symptoms and problems present prior to the surgery and then not be able to receive any compensation for some of those injuries that may occur. See this page for some of the guidelines on wisdom teeth and reasons for their removal.

The article in the Huffington Post concludes

“While all patients do not need to have their wisdom teeth extracted, there are clear indications that warrant removal of wisdom teeth. The age of the patient, the presence of gum disease, the potential for dental crowding and the long-term health of the second molars are all factors that must be considered when deciding if the wisdom teeth need to be extracted. “

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McGill Dance for Cancer Research

Posted on 26. Sep, 2011 by .


So I don’t see a video like this everyday. The Goodman Cancer Research Centre released a video which shows many dancing in the support of cancer research along to the tune of Taio Cruz – Dynamite.

“Far better is it to dare mighty things, to win glorious triumphs, even though checkered by failure… than to rank with those poor spirits who neither enjoy nor suffer much, because they live in a gray twilight that knows not victory nor defeat.”

-Theodore Roosevelt

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