Jawbreakers: erosiegevaar voor het kindergebit?

Voor veel kinderen op de basisschool zijn zogeheten jawbreakers een populair snoepgoed. Deze zure snoepballen worden vaak langdurig in de mond gehouden. In het kader van hun bachelorscriptie deden ACTA-studenten Leonie van Dop en Laura van Liere een studie naar het snoepen van jawbreakers en de eroderende effecten daarvan op het gebit

The erosive potential of jawbreakers, a type of hard candy

Objectives:  To explore the consumption pattern of a specific type of acidic solid candy, the so-called jawbreakers, by primary school children and determine the erosive potential of this type of candy in vivo. Methods:  A questionnaire about jawbreaker consumption was distributed among 10-12 year-old-children (n = 302). Subsequently, 19 healthy volunteers tested four different jawbreakers in vivo. Whole saliva was collected 5 min before, 3 min during and 11 min after consumption. Salivary flow rate and pH were determined. Results:  Two-thirds of the children reported a history of jawbreaker consumption, 18% during the last week. More than half of the children estimated their average time for consumption of one jawbreaker to be more than 15 min. In vivo, the jawbreakers induced 8.6-13.9-fold increase in salivary flow rate. Sucking on sour, jumbo and strawberry jawbreakers induced a drop in salivary pH to values below pH 5.5. During consumption of fireball jawbreakers, the intra-oral pH hardly changed. Conclusions:  Jawbreakers are frequently used by children, who keep this candy in their mouth for a long time. Jawbreakers differ considerable in erosive potential, with sour and jumbo jawbreakers > strawberry jawbreaker >> fireball jawbreaker. This information is of use for dental hygienists counselling juvenile patients with dental erosion

Search for new resonances decaying to a WW or ZZ boson and a Higgs boson in the ℓ+ℓ−bbˉ\ell^+ \ell^- b\bar b, ℓνbbˉ\ell \nu b\bar b, and ννˉbbˉ\nu\bar{\nu} b\bar b channels with pppp collisions at s=13\sqrt s = 13 TeV with the ATLAS detector

See paper for full list of authors, 18 pages (plus author list + cover pages: 36 pages total), 13 figures, 1 table. Submitted to PLB. All figures including auxiliary figures are available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/EXOT-2015-18/International audienceA search is presented for new resonances decaying to a $W$ or $Z$ boson and a Higgs boson in the $\ell^+ \ell^- b\bar b$, $\ell\nu b\bar b$, and $\nu\bar{\nu} b\bar b$ channels in $pp$ collisions at $\sqrt s = 13$ TeV with the ATLAS detector at the Large Hadron Collider using a total integrated luminosity of 3.2 fb$^{-1}$. The search is conducted by looking for a localized excess in the $WH$/$ZH$ invariant or transverse mass distribution. No significant excess is observed, and the results are interpreted in terms of constraints on a simplified model based on a phenomenological Lagrangian of heavy vector triplets