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https://www.readbyqxmd.com/read/28924317/comparative-evaluation-of-anchorage-reinforcement-between-orthodontic-implants-and-conventional-anchorage-in-orthodontic-management-of-bimaxillary-dentoalveolar-protrusion
#1
S S Chopra, Manish Mukherjee, Rajat Mitra, Gagan Deep Kochar, Abhijeet Kadu
BACKGROUND: Increased upper lip procumbency is commonly associated with maxillary dentoalveolar protrusion with the major goal of reducing maxillary dentoalveolar protrusion. The treatment plan usually includes extraction of the maxillary first premolars, followed by retraction of anterior teeth with maximum anchorage. Dental implants have been widely accepted as successful adjuncts for obtaining maximum anchorage in orthodontic treatment. METHODS: 50 subjects between the ages of 13 and 17 years having bimaxillary dentoalveolar protrusion were included in the study...
April 2017: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28923643/feasibility-of-lung-transplantation-from-donation-after-circulatory-death-donors-following-portable-ex%C3%A2-vivo-lung-perfusion-a-pilot-study
#2
J G Y Luc, K Jackson, J G Weinkauf, D H Freed, J Nagendran
BACKGROUND: Donation after circulatory death (DCD) has the potential to significantly alleviate the shortage of transplantable lungs. We report our initial experience with the use of portable ex vivo lung perfusion (EVLP) with the Organ Care System Lung device for evaluation of DCD lungs. METHODS: We performed a retrospective review of the DCD lung transplantation (LTx) experience at a single institution through the use of a prospective database. RESULTS: From 2011 to 2015, 208 LTx were performed at the University of Alberta, of which 11 were DCD LTx with 7 (64%) that underwent portable EVLP...
October 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28922457/how-negative-contact-and-positive-contact-with-whites-predict-collective-action-among-racial-and-ethnic-minorities
#3
Lydia E Hayward, Linda R Tropp, Matthew J Hornsey, Fiona Kate Barlow
Positive contact with advantaged group members can improve disadvantaged group members' attitudes towards them, yet it may also lower perceptions of group discrimination and consequent collective action. Little is known, however, about how negative contact with the advantaged predicts collective action among members of disadvantaged groups. With samples of Black and Hispanic Americans, we tested positive and negative contact with White Americans as predictors of self-reported collective action behaviour and future intentions...
September 18, 2017: British Journal of Social Psychology
https://www.readbyqxmd.com/read/28918716/the-existential-underpinnings-of-intergroup-helping-when-normative-and-defensive-motivations-collide
#4
Gilad Hirschberger, Jenna Hayes, Adi Shtrul, Tsachi Ein-Dor
Five studies examined defensive intergroup helping-when responsibility for an out-group victim's injury decreases helping, whereas lack of responsibility increases helping when death is salient. In Study 1 ( N = 350), implicit death primes increased petition signings to allow a Palestinian child to receive medical treatment in Israel, when the child was a victim of Palestinian fire. When the child was a victim of Israeli fire, however, death primes decreased petition signings. Study 2 ( N = 200) partially replicated these effects on commitment to donate blood to an injured Palestinian child...
October 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/28916545/serologic-evidence-of-gut-driven-systemic-inflammation-in-juvenile-idiopathic-arthritis
#5
Lampros Fotis, Nurmohammad Shaikh, Kevin W Baszis, Charles M Samson, Raffi Lev-Tzion, Anthony R French, Phillip I Tarr
OBJECTIVE: Accumulating evidence links juvenile idiopathic arthritis (JIA) to nonhost factors such as gut microbes. We hypothesize that children with new-onset JIA have increased intestinal bacterial translocation and circulating lipopolysaccharide (LPS). METHODS: We studied systemic treatment-naive patients with JIA [polyarticular JIA, n = 22, oligoarticular JIA, n = 31, and spondyloarthropathies (SpA), n = 16], patients with established inflammatory bowel disease-related arthritis (IBD-RA, n = 11), and 34 healthy controls...
September 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28914246/comparative-evaluation-of-the-effects-of-casein-phosphopeptide-amorphous-calcium-phosphate-cpp-acp-and-xylitol-containing-chewing-gum-on-salivary-flow-rate-ph-and-buffering-capacity-in-children-an-in-vivo-study
#6
Rahul J Hegde, Janhavi B Thakkar
AIM: This study aimed to compare and evaluate the changes in the salivary flow rate, pH, and buffering capacity before and after chewing casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) and xylitol-containing chewing gums in children. MATERIALS AND METHODS: Sixty children aged between 8 and 12 years were selected for the study. They were randomly divided into Group 1 (CPP-ACP chewing gum) and Group 2 (xylitol-containing chewing gum) comprising thirty children each...
October 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/28914158/studying-positive-and-negative-direct-and-extended-contact-complementing-self-reports-with-social-network-analysis
#7
Ralf Wölfer, Eva Jaspers, Danielle Blaylock, Clarissa Wigoder, Joanne Hughes, Miles Hewstone
Traditionally, studies of intergroup contact have primarily relied on self-reports, which constitute a valid method for studying intergroup contact, but has limitations, especially if researchers are interested in negative or extended contact. In three studies, we apply social network analyses to generate alternative contact parameters. Studies 1 and 2 examine self-reported and network-based parameters of positive and negative contact using cross-sectional datasets ( N = 291, N = 258), indicating that both methods help explain intergroup relations...
July 1, 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/28904310/efficacy-of-botulinum-toxin-therapy-in-treatment-of-myofascial-pain
#8
Jorge Chaurand, Laura Pacheco-Ruíz, Hector Orozco-Saldívar, Julio López-Valdés
The present study aimed to assess the efficacy of using botulinum toxin (BTX) in temporomandibular joint disorders, particularly pertaining to myofascial pain from masseter and temporal muscles. The study included 11 patients who were diagnosed with masseter and temporalis myofascial pain. Visual analog scale for pain and pressure algometry were conducted initially, after 1 month of conservative therapy (control group), and after 1 month of BTX type A injections (study group). Data were statistically analyzed (analysis of variance and Wilcoxon's test) to determine intergroup differences...
2017: Journal of Oral Science
https://www.readbyqxmd.com/read/28903696/permeability-of-group-boundaries-development-of-the-concept-and-a-scale
#9
Bibiana M Armenta, Katherine Stroebe, Susanne Scheibe, Nico W Van Yperen, Alwin Stegeman, Tom Postmes
The perceived possibility of movement between groups, referred to as permeability of group boundaries, is considered a key factor in explaining intergroup relations. However, so far, permeability has been conceptualized in different ways and there exists no validated measure. Integrating different conceptualizations, we developed a scale distinguishing membership permeability (e.g., a person changing from one sport team to another) versus status permeability (e.g., a person acquiring a higher social status)...
March 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/28903695/toward-a-comprehensive-understanding-of-intergroup-contact-descriptions-and-mediators-of-positive-and-negative-contact-among-majority-and-minority-groups
#10
Lydia E Hayward, Linda R Tropp, Matthew J Hornsey, Fiona Kate Barlow
Positive contact predicts reduced prejudice, but negative contact may increase prejudice at a stronger rate. The current project builds on this work in four ways: establishing an understanding of contact that is grounded in subjective experience, examining the affective mediators involved in the negative contact-prejudice relationship, extending research on the effects of positive and negative contact to minority groups, and examining the contact asymmetry experimentally. Study 1 introduced anger as a mediator of the relationships between positive and negative contact and prejudice among White Americans ( N = 371), using a contact measure that reflected the frequency and intensity of a wide range of experiences...
March 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/28903690/how-moral-perceptions-influence-intergroup-tolerance-evidence-from-lebanon-morocco-and-the-united-states
#11
Nadine Obeid, Nichole Argo, Jeremy Ginges
Intergroup boundaries are often associated with differences in moral codes. How does the perception of similarity and dissimilarity in moral worldviews influence tolerant relationships between members of different groups? We theorized that the relationship between perceived moral similarity and intergroup tolerance is domain specific. Specifically, because people treat autonomy values (e.g., caring for others, being fair) as denoting universal rights and obligations, but binding values (e.g., purity) as denoting rights and obligations that apply preferentially for their own group, perceived similarity on autonomy values should be more relevant than perceived similarity on binding values to intergroup tolerance...
March 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/28903684/the-wallpaper-effect-revisited-divergent-findings-on-the-effects-of-intergroup-contact-on-attitudes-in-diverse-versus-nondiverse-contexts
#12
Katharina Schmid, Ralf Wölfer, Herman Swart, Oliver Christ, Ananthi Al Ramiah, Steven Vertovec, Miles Hewstone
This article reexamines the so-called "wallpaper effect" of intergroup contact, which contends that for minority group members living in areas more densely populated by majority group members, intergroup contact fails to reduce prejudice. We tested this claim in five studies, using data from five countries, two types of contexts, a range of measures, and involving different minority versus majority groups. Using multilevel cross-level interaction models, we considered whether effects of contact on outgroup attitudes were moderated by relative outgroup size...
September 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/28903673/affective-and-cognitive-orientations-in-intergroup-perception
#13
Lukas J Wolf, Ulrich von Hecker, Gregory R Maio
Three studies examined the role of need for affect (NFA) and need for cognition (NFC) in intergroup perception. We hypothesized that NFA predicts a preference for stereotypically warm groups over stereotypically cold groups, whereas NFC predicts a preference for stereotypically competent groups over stereotypically incompetent groups. Study 1 supported these hypotheses for attitudes toward stereotypically ambivalent groups, which are stereotyped as high on one of the trait dimensions (e.g., high warmth) and low on the other (e...
June 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/28903668/the-mandate-of-the-collective-apology-representativeness-determines-perceived-sincerity-and-forgiveness-in-intergroup-contexts
#14
Michael Wenzel, Tyler G Okimoto, Matthew J Hornsey, Ellie Lawrence-Wood, Anne-Marie Coughlin
The sincerity of an apology is often critical for it to be viewed positively by victims. For collective apologies, we argue that sincerity takes on a particular meaning: It is a function of the apology's perceived representativeness for the offender group's will or sentiment. Consistent with this notion, when an apologetic (vs. nonapologetic) message was democratically chosen (Study 1) or explicitly endorsed by the majority of the offending outgroup (Study 2), it was considered more sincere and, through this, led to more forgiveness...
June 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/28903666/who-represents-our-group-the-effects-of-prototype-content-on-perceived-status-dispersion-and-social-undermining
#15
Hee Young Kim, Batia M Wiesenfeld
Group identity may be embodied in more typical or extreme member attributes. The present research suggests that individuals' perceptions of the group identity prototype predict their beliefs about the status hierarchy and, in turn, the prevalence of social undermining behavior. Across four studies using both experimental and field data, we find that perceiving that the group prototype is focused on the ideal rather than the central tendency is associated with greater levels of perceived status dispersion and social undermining, and that perceived status dispersion mediates the relationship between members' perception of the group prototype and social undermining behavior...
June 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/28903663/the-shadows-of-the-past-effects-of-historical-group-trauma-on-current-intergroup-conflicts
#16
Noa Schori-Eyal, Yechiel Klar, Sonia Roccas, Andrew McNeill
We examined associations between two orientations based on historical group trauma, a form of enduring group victimhood (Perpetual Ingroup Victimhood Orientation [PIVO]) and the belief that one's group might itself become a victimizer (Fear of Victimizing [FOV]), and attitudes, cognitions, and emotions related to intergroup conflicts. PIVO was positively and FOV was negatively related to aggressive attitudes and emotions toward the outgroup (Studies 1a-1c, Israeli-Palestinian conflict), and to the attribution of responsibility for a series of hostilities to the outgroup (Study 3, Israeli-Palestinian conflict)...
April 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/28903652/salient-multiculturalism-enhances-minority-group-members-feelings-of-power
#17
Jacquie D Vorauer, Matthew S Quesnel
The present research examined how messages advocating different intergroup ideologies affect outcomes relevant to minority group members' ability to exert power in exchanges with dominant group members. We expected that salient multiculturalism would have positive implications for minority group members' feelings of power by virtue of highlighting essential contributions they make to society, and that no such empowering effect would be evident for them in connection with alternative ideologies such as color-blindness or for dominant group members...
February 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/28903648/using-groups-to-measure-intergroup-prejudice
#18
Erin Cooley, B Keith Payne
Implicit measures of racial attitudes often assess reactions to images of individuals to infer attitudes toward an entire social category. However, an increasing amount of research indicates that responses to individuals are highly dependent on context and idiosyncratic features of individual exemplars. Thus, using images of individuals to assess beliefs about a whole social category may not be ideal. Across three time points, we predicted that using images of groups would mitigate the influence of idiosyncratic features of individual targets and, thus, provide a better measurement tool to assess beliefs about a category to which all group members belong...
January 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/28903647/intergroup-contact-and-social-change-implications-of-negative-and-positive-contact-for-collective-action-in-advantaged-and-disadvantaged-groups
#19
Nils Karl Reimer, Julia C Becker, Angelika Benz, Oliver Christ, Kristof Dhont, Ulrich Klocke, Sybille Neji, Magdalena Rychlowska, Katharina Schmid, Miles Hewstone
Previous research has shown that (a) positive intergroup contact with an advantaged group can discourage collective action among disadvantaged-group members and (b) positive intergroup contact can encourage advantaged-group members to take action on behalf of disadvantaged outgroups. Two studies investigated the effects of negative as well as positive intergroup contact. Study 1 ( n = 482) found that negative but not positive contact with heterosexual people was associated with sexual-minority students' engagement in collective action (via group identification and perceived discrimination)...
January 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/28903646/communal-and-agentic-interpersonal-and-intergroup-motives-predict-preferences-for-status-versus-power
#20
Kenneth D Locke, Sonja Heller
Seven studies involving 1,343 participants showed how circumplex models of social motives can help explain individual differences in preferences for status (having others' admiration) versus power (controlling valuable resources). Studies 1 to 3 and 7 concerned interpersonal motives in workplace contexts, and found that stronger communal motives (to have mutual trust, support, and cooperation) predicted being more attracted to status (but not power) and achieving more workplace status, while stronger agentic motives (to be firm, decisive, and influential) predicted being more attracted to and achieving more workplace power, and experiencing a stronger connection between workplace power and job satisfaction...
January 2017: Personality & Social Psychology Bulletin
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