Abstract Background Nowadays bleaching procedures have gained popularity in orthodontic patients.Peroxide and Carbamide acids are the common agents which are used in in-office and at home bleaching techniques.Consequently, the Bonding adhesion to the enamel can be influenced by the orthodontic phase and the residual peroxide might interfere with th
Metal Additive Manufacturing (AM) allows the fabrication of intricate shaped parts that cannot be produced with conventional manufacturing techniques.Despite the advantages of Anal this novel manufacturing technology, the main drawback is the inferior fatigue performance of AM metal materials and parts due to the presence of process-induced defects
In 1962 Professor F.Stockmans, of the Institut Royal des Sciences Naturelles de Belgique, kindly sent me for study two insects from Upper Carboniferous deposits in Northern Spain.One of these (no.94.837), from the Mine de Poleiro, is part of a cockroach tegmen, which cannot be placed with certainty even to family level.The other specimen (no.97.587
The question of how people change their opinions through social interactions has been on the agenda of social scientific research for many decades.Now that the Internet has led to an ever greater interconnectedness and new forms of exchange that seem to go hand in hand with increasing political polarization, it is once again gaining in relevance.Mo