Results 101 to 110 of about 39,587 (255)

Resistance of gutta-percha and calcium silicate-based sealer to dislocation after non-surgical root canal retreatment

BMC Oral Health
Background Complete removal of calcium silicate-based sealers (CSBSs) during root canal retreatment remains challenging, and the effect of chloroform on the bond strength of these materials remains unclear.
Reza Mahjourianqomi, Noushin Shokouhinejad, Fatemeh Hamidzadeh, Pegah Sarraf   +3 more
doaj   +1 more source

Long‐term stability after non‐surgical furcation retreatment with adjunctive collagen hydrogel

Clinical Advances in Periodontics, EarlyView.
Abstract Background Management of inflammation at previously surgically treated periodontal sites represents a clinical challenge. Although surgical retreatment may be indicated in selected cases, a conservative non‐surgical approach may restore periodontal stability while avoiding the additional morbidity associated with repeated surgery.
Marisa Roncati, Lucrezia Parma‐Benfenati   +1 more
wiley   +1 more source

Guided Toward Equity: Communities of Practice and Organizational Change in Community Colleges

New Directions for Community Colleges, EarlyView.
ABSTRACT Although community colleges advance equity by providing opportunities for marginalized students to pursue higher education, barriers to earning credentials remain, particularly for students of color. Higher education stakeholders are investing in “equity work” as organizations take responsibility for ensuring equitable outcomes.
Karin Yndestad, Johanna S. Quinn, Rachel C. Feldman   +2 more
wiley   +1 more source

Racial Equity in State Funding for Community Colleges

New Directions for Community Colleges, EarlyView.
ABSTRACT States vary significantly in both the amount of funding they allocate to community colleges and the mechanisms they use to distribute these funds (Kelchen et al., 2024; Mullin et al., 2015; State Higher Education Executive Officers, 2025). One major source of variation in state's approaches to funding community colleges is whether and how they
Elizabeth Aritonang, Denisa Gándara
wiley   +1 more source

How to Optimize Healthy Volunteer Screening and Enrolment in Clinical Trials: A Qualitative and Quantitative Approach to Evaluate Processes and Healthy Volunteers' Perceptions

Clinical Pharmacology &Therapeutics, EarlyView.
Healthy volunteers (HVs) are essential for phase I trials, yet their recruitment and screening remain resource‐intensive and ethically complex. High screening failure (SF) rates highlight the need to evaluate and understand all aspects of the enrolment processes. We analyzed SF patterns in a large German HV cohort and explored participants' motivations,
Evelyn Krohmer, Manuela König, Cathrin J. Vogt, Marina Streckebein, Sybille Baumann, Max Blumenstock, Ruwen Böhm, Fabian Müller, Nadja Struß, Viktoria S. Wurmbach, Antje Blank   +10 more
wiley   +1 more source

Mapping Corporate Environment, Social, and Governance Discourses: Analysis of Korean Companies' Sustainability Reports (2014–2024)

Corporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Corporations increasingly use Environmental, Social, and Governance (ESG) reports to articulate their commitments, priorities, and performance in sustainability governance. This study examines how Korean firms have configured and reconfigured their sustainability discourses across industries and time using 634 sustainability reports (2014–2024)
Taedong Lee, Sinjae Kang, Dian Wahyu Utami, Bohae Na   +3 more
wiley   +1 more source

Comparison of retreatment times of root fillings with different sealers by different retreatment techniques [PDF]

, 2016
Objectives: This study aimed to compare retreatment times of different NiTi enstrumantationsystems used for removal of different root canal filling materials.Materials and Methods: Sixty single rooted human mandibular premolar teeth were used.
Elif Kalyoncuoğlu
core   +1 more source

Leading for Sustainability in Uncertain Times: How Paradoxical Leadership, Green Proactive Behaviour and Employee Ambidexterity Shape Sustainability Performance

Corporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT As organisations confront growing environmental uncertainty, achieving sustainability requires more than formal policies; it depends on how leaders and employees respond to competing demands for stability, adaptation and environmental action. Although prior research has examined leadership, employee behaviour and sustainability outcomes, these
Islam Bourini, Osama Khassawneh, Ali Meftah Gerged   +2 more
wiley   +1 more source

Evaluation of the efficacy of filling material removal and re-filling after different retreatment procedures

, 2018
This study analyzed the influence of different retreatment protocols on amount of remaining filling material and amount of new sealer after endodontic retreatment.
Roberta Fonseca de CASTRO (5761820), Juliana Melo da Silva BRANDÃO (5761847), Luiz Carlos de Lima DIAS JUNIOR (5761832), Juliana do Socorro Soares MELO (5761826), Emmanuel João Nogueira Leal SILVA (5761841)   +4 more
core   +2 more sources

Evaluation of the Efficacy of Neo-endo, Hyflex Re-treatment File Systems and H-Files for Removing Gutta-Percha From Root Canal Treated Tooth by Using Stereomicroscope—An In Vitro Study

Journal of Pharmacy and Bioallied Sciences
AimTo evaluate the efficacy of Neo-endo, Hyflextm retreatment file systems, and H-files for removing gutta-percha from root canal treated tooth. Materials and MethodsThirty extracted single-rooted human teeth with a single canal were opted.
Karunakar P, Ranga Reddy M S, Karteek Basa Srinivas, Lakshmi Charan Reddy Chavva, Swetha Chigurupati, Racha Kundana, Waheed Sumaiya   +6 more
doaj   +1 more source