February - March 2010 • Volume 2 • Issue 1 • 15 € Laser fluorescence for the diagnosis of bacterial infections in the root canal Infection control: single or double gloves in dentistry? Manipulation of the microbial ecology of the periodontal pocket Taurodontism and its dental management Wi-Fi enabled X-ray sensor Page 10 Ready to use root canal sealer Page 27 Instrument for piezoelectric surgery Page 31 Dental Science & Practice News from around the World

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Editor’s letter Oral cancer: a “neglected burden” for dentists to shoulder According to recent data from the World Health Organisation, the global incidence of oral cancer is increasing. The disease is now the sixth most common cancer in the US, and the seventh most common in the EU. Whilst the survival rates for many other common cancers have increased, at least in the West, the survival rate for oral cancer has either remained unchanged, as in the US, or is even falling, as in many EU countries, including Belgium, Denmark, Portugal, the UK and several countries in Eastern Europe. Over 2% of...

Contents FEATURE ARTICLES Cover story: Infection control Laser fluorescence for diagnosis of bacterial infections in the root canal Infection control The use of single or double gloves in dentistry Periodontology Manipulation of the microbial ecology of the periodontal pocket Dental abnormalities Taurodontism and its management Managing Editors Frances Bushrod, Ph.D. [email protected] Alan Barclay, Ph.D. Contributing Editor Alison Sleigh, Ph.D News Editor Technology highlight Laser dentistry: the ideal solution for faster treatment of more patient Dentistry professions A dental hygienist...

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Infection control Laser fluorescence for diagnosis of bacterial infections in the root canal Already widely used in medicine, diagnostic devices based on the use of fluorescence are becoming more popular in dentistry particularly for the diagnosis of dental caries and oral mucosal abnormalities.This article describes recent developments extending the use of fluorescence techniques for diagnostic use to endodontics. provides a simple, low cost but technologically elegant solution. The basic concept was that laser energy of the appropriate wavelength could be introduced into the root canal system...

Figure 2. Visible red laser light emitted from a plain ended fibre will induce fluorescence from bacteria in a forward direction from the effectively, and could not identify all species of bacteria. On the other hand, we also knew that light of certain visible red wavelengths did penetrate tooth structures effectively and could reliably detect all the If a fluorescence method could be made to work, it would have the advantage of being able to localise the site of the infection, since the fluorescence signal would be topographically associated with the presence of bacteria within particular regions...

Infection control LED handpieces KaVo Dental have introduced LED technology for handpieces with light concentration and a suppressed glare effect to enable superior illumination of the preparation area. A single LED can be inserted into existing KaVo MULTIFlex couplings and motors in exchange for existing bulbs, making this the most economical way to change handpieces to LED. The bulb exchange is easy and quick to perform and can be carried out by the customer. With some of the company’s units, this new LED technology allows regulation of the light intensity as well. KaVo LED is kind on the eyes...

Infection control The use of single or double gloves in dentistry By Dr Maria I. Chatzoudi and Dr Dimitrios I. Chatzoudi The wearing of gloves is now considered to be essential in dentistry. However, particularly when dealing with patients at high risk of carrying blood-borne infectious agents, the use of single gloving may not be enough to provide adequate protection, which is why double gloving is sometimes suggested. This article describes the results of a study designed to evaluate and compare the relative protection provided by either single gloving or double gloving use and to highlight...

Infection control Defects The majority of the defects found on the gloves were small in diameter: generally less than 0.5 mm. The number of defects greater than this size was much lower. This was true for the defects in all three groups. The differences between the single and double gloving groups in terms of both absolute numbers and percentages of gloves with defects was so significant that it appeared that double gloving could be justified despite the additional costs. Although many health and safety organisations consider double gloving in dentistry to be an extreme and exceptional measure,...

News in brief Children more likely to visit the dentist if their parents do too Whether or not children receive regular dental care is strongly associated with their parents’ history of seeking dental care. A new report in the journal Pediatrics is the first to analyse the relationship between parents’ and childrens’ dental visits in a representative sample from the USA. According to the study’s lead author, Dr Inyang Isong OF the MassGeneral Hospital for Children (MGHfC) Center for Child and Adolescent Health Policy, USA, when parents don’t see the dentist, their children are much less likely...