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Failure of bands vs bonded on the molars in Fixed appliance- Bands perform better than bonded tubes
Bands were cemented with a conventional glass ionomer cement and tubes were bonded with light-cured composite to all four first permanent molar teeth for each subject. Attachments were reviewed at each recall appointment to assess loosening or loss. The clinical end point of the trial was the day of appliance debond. Enamel demineralization at debond was assessed using the modified International Caries Assessment and Detection System (ICDAS).
Results: The first time failure rate for molar bonds was 18·4% and 2·6% for molar bands (P = 0·0002). Survival analysis demonstrated molar bonds were more likely to fail compared with molar bands. First permanent molars with bonded tubes experienced more demineralization than those with cemented bands (P = 0·027). There was no statistically significant difference in discomfort experienced by patients after banding or bonding first permanent molars (P>0·05).
Conclusion: This study shows that as part of fixed appliance therapy, American Orthodontics photoetched first permanent molar bands cemented with 3M ESPE Ketac-Cem perform better than American Orthodontics low profile photo-etched and mesh-based first permanent molar tubes bonded with 3M Unitek Transbond XT in terms of failure behaviour and molar enamel demineralization. (JO 38, No. 2, 81-89, June 2011)
Canada Dean of Medicine and Dentistry resigns after plagiarism charges
Following allegations of plagiarism, Philip Baker has resigned from his position as Dean of the Faculty of Medicine and Dentistry at the University of Alberta, effective immediately, but will retain his position as a faculty member.
Students complained after they recognized parts of Baker’s speech at their graduation banquet last Friday, claiming it was extremely similar to one made by Atul Gawande last year in Stanford. Baker later sent an apology email to students, admitting that the theme and much of the content of his speech were similar to Gawande’s.
“As dean of the faculty, this incident made it difficult for him to maintain his moral authority,” University President Indira Samarasekera said in a press conference Friday morning. LINK
Dating website hails the dentist as an ‘ideal man’
Women looking for a partner rate dentists among the top most desirable men.
That’s according to dating website, www.match.com, which bases its findings on the top five professions women are searching for in a partner online.
The study, which was drawn from information provided by women using the website, reveals that women in search of a partner are seemingly still attracted by wealth and status.
Match.com’s resident relationship expert, Kate Taylor, analysed the data and explains why women are attracted to these profession – and which celeb best sums up their appeal. MORE HERE
Poor women used as guinea pigs in Andhra for clinical trial
The clinical tests on human beings, reportedly without the requisite permission of the state government, came to light on Thursday when some of the victims fell seriously ill in Piduguralla town. Many of those who returned from the lab after the tests developed acute joint pains, swelling in arms and throat infections. Acting swiftly, district collector V N Vishnu directed district medical and health officer Gopi Naik to rush to Piduguralla and probe the incident. MORE HERE
Govt issues notice to medical college on forged’ faculty
The state health department has issued a show-cause notice to DD Medical College asking why action should not be initiated against the college for forging its faculty list during an inspection by the Medical Council of India in February.
Health minister VS Vijay said the government will conduct an inquiry based on the notice and if the college is found guilty, the state medical university will withdraw affiliation to the medical college. The department has also asked the Medical Council of India not to permit the college to appoint students for the second year. NEWS LINK
Tooth paste majors fight it out in Indian Market
In the first four months of its launch, Sensodyne garnered a 10% share of the Rs 209-crore sensitive toothpaste market, which brings it at a striking distance to Colgate’s share of 15%. Warren Pharmaceutical’s Sensodent is the second brand with a share of under 15%. This is a good enough reason for Colgate to get into a damage-control mode. Innovative campaigns such as ‘ask the dentist’ have been launched by Colgate-Palmolive to protect its consumer franchise. To reinforce its position, it has also launched a second product, Sensitive Pro-Relief toothpaste in addition to Colgate Sensitive, to take on Sensodyne. NEWSLINK
Vitamin D Boosts Immune Response of Gingiva
Laboratory-grown gingival cells treated with vitamin D boosted their production of an endogenous antibiotic, and killed more bacteria than untreated cells, according to a paper in the June 2011 issue of the journal Infection and Immunity. The research suggests that vitamin D can help protect the gums from bacterial infections that lead to gingivitis and periodontitis. Periodontitis affects up to 50 percent of the US population, is a major cause of tooth loss, and can also contribute to heart disease. Most Americans are deficient in vitamin D. MORE HERE