Science Friday: New Denture Ceramic for Dentistry

Science Friday: New Denture Ceramic for DentistryStronger, prettier dentures? New ceramic materials for dental bridges?

Chemists in Germany believe they have made a breakthrough in creating a better ceramic.

Glass chemist Prof. Dr. Christian Rüssel of the Friedrich Schiller University Jena (Germany) and his colleagues of the Otto-Schott-Institute for Glass Chemistry were successful in producing a new nanocrystalline glass ceramic, which may be suitable for use in dentistry due to their strength and optical characteristics.

Science Daily News is reporting that the glass chemists of Jena University have recently published their ceramic research results in the online-edition of the science magazine Journal of Biomedical Materials Research.

Prof. Rüssel told SDN,”We achieve a strength five times higher than with comparable denture ceramics available today. In combination with new optical characteristics an additional field of application is opening up for these materials in dentistry. The enamel is partly translucent, which the ceramic is also supposed to be.”

The fundamental materials are melted at approximately 1.500 °C, then cooled before being finely cut up. The material is then melted and cooled a second time. Finally, the nanocrystals are produced by controlled heating to about 1,000 °C, which determines the crystallisation crucial for the strength of the product.

According to Rüssel, the ceramic ends up looking translucent, like a natural tooth.

This is good news for dentistsdenture patients and those seeking dental implants who want the look and strength of regular teeth.

Read more: Nanocrystals Make Dentures Shine

 

Men and Internet Dental Marketing Raised Profits in 2011 for Cosmetic Dentists

Men and Internet Dental Marketing Raised Profits in 2011 for Cosmetic DentistsIf your cosmetic dental marketing included men in 2011, then you most likely saw a bump upward in cosmetic dentistry procedures and ended the year on a high note.

According to the 2011 State of the Cosmetic Dentistry Industry survey from the American Academy of Cosmetic Dentistry, more men got comfy with cosmetic dentistry in 2011.

Respondents to the cosmetic dentistry survey were asked to indicate the percentage of their patients in 2011 by gender. Three‐fifths of cosmetic dentistry patients were female (60%), and two‐fifths were male (40%) representing a 7‐point swing toward males from the 2007 survey.

However, if cosmetic dentists used Internet marketing for more new patients in 2011 they further out-performed the competition due to the biggest change in the factor driving demand at cosmetic practices: the increase in Internet usage by patients. This factor rose 25 points since the 2007 survey.

Not surprising as more dental patients turn to the Internet to find cosmetic dentists.

From the AACD report

Other interesting survey results were:

–Of cosmetic dentists who offered financing, 78% of respondents reported that third-party financing options helped patients get to a “yes” decision.

–At the high end, 3% of practices indicated an average amount of $20,000 or more spent on cosmetic procedures per patient—the same as indicated in the 2007 benchmark survey. At the other extreme, 6% of practices reported average patient costs of less than $500—a 4‐point increase since 2007. The modal (most often indicated) categories were $2,500 ‐ $4,999 (19%) and $5,000 ‐ $9,999 (15%), both down several points since 2007.

–The average practice reported total revenues for all dentistry procedures (both cosmetic and non‐cosmetic) in 2011 at $1 million, comparable to data collected in 2007. Compared to the 2007 survey, the lowest category (less than $500,000) has increased by 6 points; offset by the 6‐point positive swing in the $1.25 million to $1.99 million categories. The “more than $2 million” category remained unchanged since 2007 at 8% of those reporting.

–Dentists saw a revenue increase in 2011 in crown and bridge work procedures, direct bonding posterior and anterior procedures and dental implant procedures.

–On average, 49% of dental patients were between the ages of 31 and 50. The number of patients age 20 and younger grew significantly in 2011 to 17% from only 5% in 2007.

–Dental patient issues of primary concern were appearance, cost and longevity of treatment results.

–The average number of dental laboratories used was 3.15, an indication of lab loyalty over the 2007 average of 3.5 labs used. Esthetic considerations was the top concern (79%) in selecting which dental laboratory to use, with procedure or specialty not far behind at 64%.

–When asked to indicate the number of patients their practices had for cosmetic dentistry procedures in 2011 (counting multiple visits by the same patients as one visit), 4% of practices had 1,000 or more patients—a marked decline since 2007 when 16% of respondents reported 1,000 or more. At the opposite end of the spectrum, 11% had fewer than 25 patients. The average number of cosmetic patients per practice in 2011 was 247, down significantly from an average of 485 in 2007.

However, when looking at specific cosmetic dentistry procedures, participants in the survey overwhelmingly
believe that revenues generated from cosmetic dental treatments have either increased or stayed the
same year over year, and their expectation is that revenues will continue to increase or stay the same into next year.

To view the complete results from the AACD survey, click here (will open in a pdf)

Science Friday: An Amazing New Kind of Orthodontic Treatment

Science Friday: An Amazing New Kind of Orthodontic TreatmentOrthodontists: Get ready to speed up the time it takes to wear dental braces!

OrthoAccel Technologies has announced the FDA clearance of their AcceleDent device, a removable gadget that an orthodontia patient wears in their mouth for 20 minutes a day.

The device works by accelerating teeth movement through vibration when used in conjunction with conventional braces.

In the clinical trial, the appliance exhibited an acceleration of teeth movement of 106% during the initial alignment phase and 38% – 50% during closure of extraction space.

In a statement released by Dr. Dubravko Pavlin, professor of orthodontics at the University of Texas Health Science Center at San Antonio, he exclaimed, “With an increase in rate of tooth movement observed in our study the orthodontic treatment time could be shortened by at least 5 months during the first two stages of orthodontic treatment.”

Here is the video promo for the AcceleDent device –

What do you think about this new dental science technology?

For more on the AcceleDental device see: Brace Yourself: AcceleDent Device Could Cut Orthodontic Treatment Time in Half

Non-Dentist Teeth Whitening: Did Dental Board Overstep Its Bounds?

Non-Dentist Teeth Whitening: Did Dental Board Overstep Its Bounds?In North Carolina, the State Board of Dental Examiners has to stop telling non-dentists that it is illegal to provide teeth-whitening products or services in their state.

In a unanimous opinion and final order issued by the Federal Trade Commission, it was determined that the North Carolina State Board of Dental Examiners acted illegally when they pushed to bar non-dentist providers of teeth-whitening products and services from selling their products to consumers in North Carolina, as reported in the Wall Street Journal.

The original complaint stems from the dental board sending dozens of letters telling non-dentist teeth-whitening providers that they were practicing dentistry illegally and ordered them to stop. According to the WSJ, the board also allegedly threatened non-dentists who were considering opening teeth-whitening businesses. The board also sent letters to mall owners and property management companies urging them not to lease space to non-dentist teeth-whitening providers.

The final order upholds an initial decision by Chief Administrative Law Judge D. Michael Chappell in July and adopts Chappell’s order with minor changes.

To read the full story see: FTC: N.C. Dental Board Thwarted Teeth-Whitening Competition

Cosmetic Dentistry Trends: Who Else Wants Child-like Crooked Teeth on Purpose?

Japanese Girls with Crooked Teeth as shown on YouTube

Japanese girls with crooked teeth as shown on YouTube

The Internet is abuzz with the latest apparent cosmetic dental trend in Japan called Yaeba, where teeth are purposely made crooked so women appear more child-like.

This popular Japanese cosmetic dentistry procedure involves attaching non-permanent adhesive mini-fangs to canine teeth.

Yaeba means double tooth in Japanese and is a sought-after treatment at upscale dental salons in Tokyu’s Ginza neighborhood, where women have been flocking to have this dental procedure, according to DailyMail.com.

Dentists attribute this trend to an obsession with the Twilight series — to have fang-like a vampire teeth, although others say it is an obsession to look more child-like and the sexualization of young girls.

Not everyone sees the look as bad.

A number of actors have found their “snaggletooth” look a professional advantage. Celebrity Kirsten Dunst has commented on her own “snaggleteeth” by saying, “I love my snaggle fangs. They give me character and character is sexy.”

But will this Japanese trend jump across the ocean and on to America? Will braces become a thing of the past? That seems unlikely.

Comments on websites covering this recent trend find it difficult to fathom. Melanie from the U.K. commented on The Daily Mail article, “They look awful! I can not believe people are paying to have their teeth look so bad?!!”

And the vampire culture continues to fascinate the young.

What about you? What do you think of this trend?

Read more: Japanese Cosmetic Trend for ‘Sexy’ Child-like Look Fuels Demand for Crooked Teeth

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