Results 21 to 30 of about 1,336,045 (245)

Per-Spectral Characterizations Of Some Bipartite Graphs

open access: yesDiscussiones Mathematicae Graph Theory, 2017
A graph is said to be characterized by its permanental spectrum if there is no other non-isomorphic graph with the same permanental spectrum. In this paper, we investigate when a complete bipartite graph Kp,p with some edges deleted is determined by its ...
Wu Tingzeng, Zhang Heping
doaj   +1 more source

Bipartite Graphs Associated with Pell, Mersenne and Perrin Numbers

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2019
In this paper, we consider the relationships between the numbers of perfect matchings (1-factors) of bipartite graphs and Pell, Mersenne and Perrin Numbers.
Öteleş Ahmet
doaj   +1 more source

Role of reinforcement methods in retention of composite restorations of primary anterior teeth

open access: yesJournal of Dental School, 2019
Objectives This study aimed to evaluate the retention of composite restorations of primary anterior teeth reinforced with composite posts, glass fiber posts, para-pulpal pins with composite posts, and para-pulpal pins alone.
Ghassem Ansari   +3 more
doaj   +1 more source

Immediate or delayed direct restoration does not significantly influence additional endodontic treatments and 5-year tooth survival of first molars

open access: yesActa Odontologica Scandinavica
Objective: In vitro leakage studies suggest that temporary restorations only provide a short-term seal. However, it remains unclear whether the clinical outcome is impacted by the time elapsing between the completion of a root canal treatment (RCT) and ...
Sara Olsson   +4 more
doaj   +1 more source

Ovarian Sex Cord Stromal Tumors in Children and Adolescents—The European Standard Clinical Practice Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT As part of the European Cooperative Study Group for Paediatric Rare Tumours initiative, we developed standard clinical practice guidelines for ovarian sex cord stromal tumors, based on comprehensive national and international cohort analyses, literature review, and a final expert consensus conference.
Dominik T. Schneider   +15 more
wiley   +1 more source

Effect of extraction of permanent first molars on the development and eruption of third molars [PDF]

open access: yesJournal of Oral Health and Oral Epidemiology, 2018
BACKGROUND AND AIM: It is required in many young patients that permanent first molars (PFMs) be extracted due to poor prognosis. This study investigates whether the extraction of such teeth is effective on the development of third molars and even their ...
Raziyeh Shojaeipoor   +3 more
doaj   +1 more source

Central Nervous System Tumors Among Infants in Canada: A Report From CYP‐C

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Central nervous system (CNS) tumors in infants are rare, pose unique clinical challenges, and lack large‐scale evidence‐based data to guide management. This study seeks to describe CNS tumors in Canadian infants and to compare their outcomes with those of older children.
Samuel Sassine   +17 more
wiley   +1 more source

Sequelae of premature loss of lower permanent molars on developing occlusion during the mixed dentition period—A radiographic evaluation

open access: yesClinical Case Reports, 2020
When planning extraction of teeth with poor prognosis especially lower first permanent molars, it is important to consider the timing of tooth removal and its effect on future occlusion to avoid interventions.
Nandini Kumari Katta   +1 more
doaj   +1 more source

Impact of Radiation Therapy on Physical and Psychosocial Health of Adolescents and Young Adults: A Joint Report From the Children's Oncology Group AYA and Radiation Oncology Committees

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Rates of cancer among adolescents and young adults (AYA), age 15–39 years, are increasing. Consequently, radiation oncologists are treating more AYAs who have diagnoses spanning both pediatric and adult practices. Compared to pediatric and older adult patients, AYAs face a unique set of challenges.
Hesham Elhalawani   +7 more
wiley   +1 more source

Evaluation of occlusal forces in different stages of children - An exploratory study

open access: yesSaudi Journal of Oral Sciences, 2018
Introduction: Bite force is one of the indicators of the functional state of mastication and loading of teeth. Bite force measurement is a reliable method of assessing the biomechanical properties of the masticatory system.
Priya Subramaniam   +2 more
doaj   +1 more source

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