Results 91 to 100 of about 1,201,448 (290)

The “costly son” hypothesis: Sons exacerbate obstetrical dilemmas in humans and other mammals

The Anatomical Record, EarlyView.
Abstract Human childbirth has often been considered uniquely difficult among mammals, yet recent evidence suggests that obstructed labor and fetopelvic disproportion are widespread across placental mammals. Here, we propose the “costly son” hypothesis: because male offspring are typically larger at birth, they impose greater obstetric risk on mothers ...
Nicole D. S. Grunstra, Jonathan C. K. Wells   +1 more
wiley   +1 more source

Comparison of root canal sealer distribution in obturated root canal: An in-vitro study

Journal of International Society of Preventive and Community Dentistry, 2014
Endodontic sealer is currently regarded with such importance in the root canal treatment that it is often considered to be more important than the core obturating material itself. Sealer with the least film thickness is favorable for minimizing microleakage.
Setya, Gaurav, Nagpal, Ajay, Kumar, Sunil, Ingle, Navin Anand   +3 more
openaire   +3 more sources

The effect of the final irrigant on the antimicrobial activity of root canal sealers

, 2016
OBJECTIVE: Root canal irrigation is an essential step in root canal therapy as it enables the elimination of microorganisms. The final irrigant may affect the properties of the root canal sealer used during obturation particularly with tricalcium ...
Arias-Moliz, M T, Camilleri, Josephine; id_orcid   +1 more
core   +1 more source

Physical Properties and Chemical Characterization of Two Experimental Epoxy Resin Root Canal Sealers [PDF]

, 2017
Introduction: The aim of this in vitro study was to evaluate the setting time, flow, film thickness, solubility, radiopacity and characterization analysis of three epoxy resin based sealers including two experimental sealers and AH-26.
Heidari, Soolmaz, Zadsirjan, Saeede, Ashraf, Hengameh, Mohammadian, Manijeh, Najafi, Farhood   +4 more
core   +1 more source

A biomimetic ducted nipple reveals gestational age‐dependent deficits in suction generation in a neonatal pig model

The Anatomical Record, EarlyView.
Abstract All infant mammals must suckle in order to effectively acquire milk from a nipple. Yet, not all infants are able to do so. Preterm infants in particular face significant feeding challenges, often failing to establish successful breastfeeding due to complex neurophysiologic challenges.
Max Sarmet, Emily C. Volpe, Elska B. Kaczmarek, Maressa E. Kennedy, Ani E. Smith, Hannah E. Shideler, Harlow I. Smith, Dylan J. Anderson, Thomas H. Stroud, Christopher J. Mayerl   +9 more
wiley   +1 more source

Effect of the type of endodontic sealer on the bond strength between fiber post and root wall dentin.

Frontiers in Dentistry, 2014
An important factor that interferes with the bonding between the root canal wall and resin cement is the root canal sealer remnant. There is controversy about the effect of eugenol-containing sealers on the bond strength between resin cements and fiber ...
Ramin Mosharraf, Sepideh Zare
doaj  

Histological description and bone compactness analysis of fossil (Aldabrachelys sp.) and extant Aldabra giant tortoise (Aldabrachelys gigantea) shell bone fragments

The Anatomical Record, EarlyView.
Abstract Aldabra Atoll, north of Madagascar and part of the Seychelles Outer Islands, is home to the Aldabra giant tortoise, Aldabrachelys gigantea, the only survivor of several species of giant tortoises that were once widespread on islands across the Western Indian Ocean.
Stefanie Herter, Nicole Klein, Massimo Delfino, Erik de Boer, Julian P. Hume, Jordan Bestwick, Frauke Fleischer‐Dogley, Annabelle Constance, Dennis M. Hansen, Torsten M. Scheyer   +9 more
wiley   +1 more source

Evaluation of the sealing ability of different root canal sealers: a combined SEM and micro-CT study

Journal of Applied Oral Science, 2018
Objective: The purpose of this study was to analyze the ability of multiple compounds to seal the dental tubules using scanning electron microscopy (SEM) and micro-computed tomogra-phy (micro-CT).
Yan HUANG, Kaan ORHAN, Berkan CELIKTEN, Ayşe Işıl ORHAN, Pelin TUFENKCI, Semra SEVIMAY   +5 more
doaj   +1 more source

Antimicrobial activity of root canal sealers [PDF]

, 2006
All root canal sealers should have antimicrobial activity so that they could act against any remaining bacteria after root canal obturation. The aim of this study was to evaluate the antimicrobial activity of five root canal sealers: AH26, a resin based ...
Radosavljević Branka, Vujašković, Mirjana, Mirjana Vujaskovic, Radosavljević, Branka, Vujašković Mirjana, Branka Radosavljevic   +5 more
core   +2 more sources

Low‐Field MRI as a Multiparametric Tool for Large Engineered Tissue Characterization

Biotechnology and Bioengineering, EarlyView.
ABSTRACT Advances in 3D bioprinting have enabled the fabrication of large and complex engineered tissues, but their increasing size demands non‐invasive tools for monitoring structure, maturation, and perfusion. Magnetic Resonance Imaging (MRI) offers unique multiparametric capabilities, yet high‐field systems remain costly and inaccessible for most ...
Yilbert Gimenez, Valernst Martial Gilmus, Elliott Cowles, Lucie Essayan, Vincent Semet, Michel Cabrera, Christophe A. Marquette, Simon A. Lambert, Emma Petiot   +8 more
wiley   +1 more source