Cochrane

Review question This review (an update of the original published in 2012) has been conducted to assess whether there is a difference in the effects of restoration of root-filled teeth (with or without post and core) by indirect restorations (commonly crowns, inlays, or onlays) compared to conventional filling materials placed directly into the tooth. Background Root ...

Review question We compared the evidence on the effects of fluoridated milk versus non-fluoridated milk for the prevention of tooth decay. Background Tooth decay remains a major public health problem in most industrialised countries, affecting 60% to 90% of schoolchildren and the vast majority of adults. It is the primary cause of oral pain and ...

Background Tooth decay is a worldwide problem affecting most adults and children. Untreated decay may cause pain and lead to teeth having to be removed. In many parts of the world, tooth decay is decreasing. Children from poorer backgrounds still tend to have greater levels of decay. Fluoride is a mineral that prevents tooth decay. It occurs naturally ...

Review question The main question was: How effective and safe is the use of fluoride gel for the prevention of tooth decay (dental caries) in children and adolescents compared to placebo (a treatment without the active ingredient fluoride) or no treatment? Background Tooth decay is a significant health problem worldwide, affecting not only the vast ...

Review question This review examined the effectiveness of varnishes and gels containing chlorhexidine in preventing tooth decay in children and young people. Background Tooth decay is a very common disease that over time destroys the tooth surface. It has been estimated to affect up to 80% of people in high-income countries and, despite being preventable ...

Review question This review has been produced to assess whether or not xylitol, a natural sweetener used in products such as sweets, candy, chewing gum and toothpaste, can help prevent tooth decay in children and adults. Background Tooth decay is a common disease affecting up to 90% of children and most adults worldwide. It impacts on quality of ...

Review question We conducted this review to assess the effects of different types of slow-release fluoride devices on preventing, stopping, or reversing the progression of tooth decay on all surface types of deciduous ('baby') and permanent teeth. Background Tooth decay is not distributed evenly among the population, with certain groups being at ...

Review question The main question addressed by this review is how effective are different options for treating extensive tooth decay in children's milk teeth to resolve the child's symptoms (typically pain, swelling, abnormal movement) and tooth signs (as shown on an x-ray). Background Tooth decay in the milk teeth (or primary teeth) of children ...

Review question This review, carried out by the Cochrane Oral Health Group, addressed the question of how effective tooth-colored (composite resin) fillings are compared with conventional amalgam fillings when placed directly into cavities in permanent teeth in the back of the mouth. Background There is controversy over the best materials to use ...

Review question Is it more effective to repair or replace faulty fillings that have been constructed from amalgam (a mixture of various metals and mercury) in molar teeth towards the back of the mouth in adults? Background Fillings are used as part of general dental treatment to rebuild teeth after a patient develops tooth decay or damages the surface ...