Thursday, June 25, 2015

Say "YES" to Sweets!



As a follow up to our recent newsletter on xylitol, we want to give you more information about this sugar that promotes healthy teeth.  Xylitol is found naturally in many fruits and vegetables including plums, berries, lettuce, and mushrooms.  

 It's true that xylitol can help prevent tooth decay and cavities when eaten regularly.  As if that isn't enough, the really sweet thing about this sweetener is that unlike refined sugar, xylitol has a very low glycemic index, and boasts 40% fewer calories.  

 Health benefits of xylitol:

  • ·         Helps prevent tooth decay
  • ·         Reduces plaque formation on teeth
  •           Blocks the acids that demineralize tooth enamel
  • ·         Helps repair damaged enamel
  • ·         Halts the growth of specific types of acid-producing bacteria linked to tooth decay
  • ·         Helps reduce gingival inflammation
  • ·         Relieves dry mouth by stimulating saliva flow
  • ·         Helps maintain upper respiratory health by combating bacteria in the nasopharynx
  • ·         May help osteoporosis
  • ·         Does not trigger an insulin reaction in the body, making it useful for those with diabetes and hypoglycemia
  • ·         Low glycemic index rating (7)
  • ·         Safe for all ages


It is important to note that in order to receive tooth decay prevention benefits, you must receive 6-10 grams of xylitol per day.  When reading the label of a xylitol containing product, xylitol should be the first sugar listed and, ideally, the only sugar component.  

Xylitol is also added to some oral hygiene products such as toothpaste, mouthwash and floss.  At your next check-up appointment, be sure to ask your hygienist for a free sample!  We have a lot of products in stock, and are happy to special order products for you.

*Selected Reference:  Better Nutrition Healthy Living Guide/Number 29

Thursday, June 4, 2015

All-Porcelain Crowns




All-Porcelain Crowns


There have been a multitude of advances in esthetic dentistry in the last 10 years.  Materials have changed significantly to now have greater strength and more lifelike appearance, as well as more flexural forgiveness and versatility than we have had in the past when making tooth colored crowns.  For 60-odd years, the standard procedures used by dentists consisted of either gold crowns, or porcelain fused to metal (baking porcelain onto the outside of a gold crown.  While there are many new products from dozens of companies, I would like to look at the two that I have found to be the most usable of the alternative materials available.

First is the use of Lithium Disilicate, IPS e-max being the most recognizable of these brands.  This crown offers significantly increased flexure strength (basically, how much you can compress something before the sides break/shear), as well as an increased esthetic option due to the lack of metal under the porcelain.  Lithium Disilicate can be carved from a solid block, pressed into form from smaller grains (monolithic, which exhibits greater strength), and/or veneered with porcelain for increased esthetics.  Personally, I think there are three ways that this crown best used:

1.     Use as a partial crown on posterior (back) teeth
2.     Use as a full crown alternative on posterior teeth where you don't want to remove a lot of tooth structure
3.     Use as a veneer material when attempting to make front teeth look perfect, but also want strength

While we can technically use either standard cement, or bonding cement, I greatly prefer the use of bonding cement.  While it necessitates getting numb a second time for insertion of the crown, long term studies on PFM (older style porcelain to metal crowns) from the past have shown that using the stronger cement leads to a significantly longer life span for the crown.  The use of this cement also allows for the partial 1/2 crowns that can be made conservatively, and then attached with the resin cement, where the stress point for the tooth is then born on the cement and bonding itself.  This means that if a conservative e-max crown comes off in the future, it is more likely to be cleaned up, and re-cemented without being remade.

The other material that has shown wonderful performance is Zirconium (ZrO2).  This material has been improved in appearance just in the last few years from the 3M company when they introduced Lava Plus, which is a customizable colored restoration (the original were significantly monochromatic, like piano keys).  Zirconium restorations have a huge advantage in pretty much every strength category over any other kind of crown (Lithium Disilicate included).  The reduction for this material to make a crown is almost exactly the same as a gold crown, which can be made very thin.  In my opinion, the best use of their crowns is either as a base to which porcelain can be veneered on front teeth, or without any porcelain on either second or first molars, where teeth tend to be short.
 
There are a few areas where I feel questions remain about Zirconium.  While it has been shown to be relatively non-abrasive against natural teeth, there is little information about what happens when you place it biting against an older porcelain-metal crown, or a Lithium Disilicate crown.  Until proven otherwise, I believe the likelihood is that it would be too strong, and wear the other crown heavily.  They are very difficult to take off if there is a problem or a cavity around the crown later in life.  They are so strong, that they often wear out our drill bits.  It can be done, it just takes longer.  I personally ask for these crowns to be polished, rather than stained to match existing teeth.  While they may appear slightly different than natural teeth, they should be very close.  Statistically, glaze will tend to last only 6-18 months in an individual’s mouth before saliva and normal wear eventually take it off (imagine running a porcelain cup through the dishwasher 100,000 times and what the surface texture looks like).

My opinion on porcelain crowns has changed significantly over the last five years due to the advent of these new technologies and materials.  I grew up in the dental industry, and was trained that gold is the 'gold standard' of restorative materials.  Regardless of the position or placement of the tooth, gold crowns WILL last longer than any other kind of crown.  While I still believe that this is true, I am asked on a daily basis about esthetic options that will allow teeth to look like....teeth.  To quote a patient recently who was trying to decide which kind of crown to use on a lower molar: "So I can have the crown for 20 years, and dislike it (gold), or I can have it for 15 years and love it."  That seemed to sum up the esthetic revolution in dentistry pretty well.



Thursday, October 24, 2013

Dental Insurance







USE it or LOSE it…

The scoop on dental insurance
                                                                                                              Written by Betsy Cord


It’s October already?!?  I guess it’s true that the older you get, the faster time flies.  Seeing as how we only have about 10 weeks left in the year, it seems like the perfect time to talk about insurance benefits.   Dental insurance can be a very confusing topic for nearly everyone, especially with recent law changes.  So, I’m going to give you a general breakdown of the knowledge I have picked up over the last 17 years in dentistry.

Dental insurance is NOT like medical insurance!  It’s too bad that medical, dental, and vision policies aren’t combined into one comprehensive plan more often-that would help clear up a lot of confusion.  In fact, most employers purchase options for their employees through totally different companies.  Just because your medical is with Cigna, or Blue Cross doesn’t mean that your dental policy will be also.  When you receive your initial packet of benefit information from your employer, take note of which company each policy is through.  Even if you don’t receive an insurance card, the company name along with your personal information is sometimes enough to gain access to your benefits.  I am always happy to do a little research, if it saves you some trouble.

MAXIMUMS- There is a yearly maximum benefit that a policy will pay out for each individual covered.  This is most often between $1200-1500, but I’ve seen it as low as $500 and as high as $5000-10,000.  After a policy has paid up to the maximum dollar amount, it WILL NOT pay any more until the next benefit year (usually Jan. 1-Dec. 31, but can vary.)  This seems crazy, right?  It’s the opposite of a medical policy where you have a limit to your out-of-pocket copay, and insurance picks up the remainder.   Sometimes, I come across policies that will cover check-up and cleaning visits outside of the yearly maximum, but I see that only about 5% of the time.  So, here is a key point when purchasing a policy- If your premiums throughout the year add up to more than the maximum payout per year, you are wasting your money!

As we near the end of the benefit year for most people, it’s wise to evaluate the amount of benefits you have remaining, and use them up for any necessary treatment.  If you don’t, they will disappear! Take advantage of what you have remaining so there is some wiggle room with next year’s benefits-you never know when you’ll have an emergency.

DEDUCTIBLE- Deductibles in dental insurance are almost always waived on preventive treatment (exams/x-rays/cleanings.)  That means you don’t have to pay it unless you’re having some kind of treatment completed.  The deductible is almost always $50 each year for individuals, but can be $25-100 with some plans.  There will also be a family deductible-often double the individual deductible.  In a family situation, if two members of the family have paid a deductible for the year, then you won’t have to pay another one when a third member has treatment to complete.  Avoid policies that don’t waive deductibles on preventive treatment, if possible.  Otherwise, they may as well just add it on to your premiums each year.

WAITING PERIODS- These are too often a surprise after treatment is completed!  Waiting periods are the insurance company’s way of ensuring that they don’t pay for any “pre-existing conditions.”  They can be found in lengths of 6 months to two years, and are usually restrictive of major and sometimes restorative treatments.  In a policy with a waiting period, you will not have any benefits for the specified treatment until the waiting period is over.  Many times this is in the very fine print, usually not disclosed to me when I pull up a breakdown of benefits, so be careful of these!

The missing tooth clause is a similar form of declining benefits for pre-existing conditions.  A common inclusion, this rule limits replacement of teeth that were lost or removed before the policy began.  So, if you had a tooth extracted before the effective date of your policy, and decided to replace it with an implant after the fact-it would not be covered.

BENEFITS- Really awesome policies will pay 100% for any service that you have completed, up to your maximum.  However, most often there are smaller percentages for different “types” or “tiers” of treatment.  An average policy will cover 100% of preventive treatment (cleanings, exams, and sometimes radiographs), 80% of restorative treatment (periodontal cleanings and scaling, silver or tooth colored fillings, and root canals), and 50% of major treatment (crowns, bridges, dentures.)  Once again, the amounts can vary greatly depending on the policy and whether or not you have different benefits for in-network or out-of network dentists.  If you’re offered a policy with this 100/80/50 breakdown, it is most likely a decent one.

That brings us to a subject that I get a lot of questions about…   
IN-NETWORK PARTICIPATION- Finding an excellent provider within your network is a difficult task.  It doesn’t always happen.  This is because providers are usually asked to accept a smaller fee for treatment on patients within the network.  For many insurance companies, the fee difference is tremendous, and wouldn’t allow a provider enough room to ensure quality care.  I can’t speak for anyone else, but as a patient, I don’t want to receive a lower standard of treatment because my doctor has to write off a large percentage of the procedure.  I don’t want to cut corners on anything when it comes to my health.  Consequently, many providers elect not to join networks that would require them to do this. 

 Many of the policies we file with allow fees that are considerably higher than ours, but there are also many on the other end of the spectrum.  Here’s where it gets super confusing-a single company can have several different fee schedules that are used for different plans. Obviously, in this case a policy with a lower premium would have a lower fee schedule. 

When choosing your provider, be assured that you don’t always have to stay within your network.  PPO (Preferred Provider Organization) policies are designed to give you a choice as to whom you would like to see.  There are a few things to look out for, though.  Review your benefits carefully:  do the benefit percentages decrease if you see a doctor out-of-network?  Does the maximum yearly benefit change?   Always read the fine print.  Sometimes, it’s worth paying a little more to see someone out of network if you’re going to receive higher quality treatment.  Either way, I would rather you understand your benefits in advance.  So, if you have questions regarding any part of your policy, let me know and I will look it over for you.