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Obstructive Sleep Apnea causes Complications in implant-borne prostheses Researchers from OSI Araba University Hospital in Victoria, Spain, published a study that investigated how Obstructive Sleep Apnea (OSA) affects im- plant-borne prostheses. The frequency with which a complication occurred © one photo/Shutterstock.com and the type of complication were studied in 67 patients. Contradictory to their initial hypothesis, the researchers found a high instance of complica- tions related to OSA. Of the 67 patients included in the study, the researchers found that 16 ex- perienced complications; 13 of which had OSA. Among these 16 patients with complications, there were 22 prostheses with a total of 30 issues. The researchers found these complications consisted of porcelain fracture, frac- ture of the screw/implant, loosening of the screw, and decementation. The average time for a complication to occur was 73 months’ post-implantation. During the study, the researchers also noted a strong relation between indi- viduals who suffer from OSA and those who suffer from bruxism. Past stud- ies revealed that those afflicted with bruxism had a higher instance (6/10) of complications with implant prostheses than those without bruxism (13/75). This shows that people suffering from OSA and/or bruxism have a more difficult time with successful prosthetic implantation. This study shows that 81 per cent of patients with OSA experienced com- plications with their prostheses. Given that the success rate of implants is reported to be between 92 and 97 per cent, there is a strong correlation between OSA and prosthetic complications. Survey exposes truth about Our oral health habits FDI World Dental Federation is myth busting what people around the world believe to be good oral health practices, encouraging them to become better informed and take action. Oral health is integral to our general health and well-being; impacting every aspect of our lives. The results from a survey carried out in 12 countries, by YouGov on behalf of FDI, exposed a significant gap between what people believe to be good oral health practices, ver- sus what they actually do. Eight of the countries reported that 50 per cent or more of the people surveyed think it is important to brush your teeth straight after every main meal. Brazil, Mexico, Egypt and Poland were the worst offenders of this incor- rect oral health practice (84 %, 81 %, 62 % and 60 % respectively). FDI recommends waiting at least 30 minutes after eating to brush your teeth to avoid weakening tooth enamel. The majority of countries surveyed incorrect- ly believe that rinsing the mouth out with water after brushing is important; Brazil, South Africa, Mexico, India and Canada were found to practice this myth the most (77 %, 75 %, 73 %, 67 % and 67 % respectively). It is actually recommended not to rinse with water straight after brushing to allow maximum exposure to fluoride, which will optimize the pre- ventative effects. Nearly half the population surveyed in India, South Africa, Brazil and Poland (52 %, 49 %, 48 % and 42 % respectively), felt that drinking fruit juice rather than fizzy drinks was important for good oral health. Fruit juice however, can also be high in sugar which can cause tooth decay. FDI recom- mends keeping consumption of sugary drinks to a minimum as part of a healthy, balanced diet. © Emily frost/Shutterstock.com, © lkeskinen /Shutterstock.com laser 2 2017 43