Results 81 to 90 of about 1,223,028 (294)

Treatment of skeletal class III malocclusion using face mask therapy with alternate rapid maxillary expansion and constriction (Alt-RAMEC) protocol

open access: yesJournal of Indian Society of Pedodontics and Preventive Dentistry, 2015
Class III malocclusion is very common malocclusion and can be due to maxillary retrusion, mandibular prognathism, or combination. Ellis and McNamara found a combination of maxillary retrusion and mandibular protrusion to be the most common skeletal ...
Anand Ramchandra Rathi   +3 more
doaj   +1 more source

The influence of hyperbaric oxygen therapy (HBOT) to intercausal relationship between blood vessels, osteoblast, and new bone formation during maxillary suture expansion

open access: yesPadjadjaran Journal of Dentistry, 2020
Introduction: Expansion appliance that can imply tooth movement and opening maxilla suture might affect the blood vessels, bone cells, and formation of the new bone.
Noengki Prameswari   +3 more
doaj   +1 more source

Effect of Rapid Maxillary Expansion on Blood Flow at Midpalatal Suture Region

open access: yes, 2006
The aim of this study was to evaluate the blood flow at the midpalatal suture with laser Doppler flowmetry during rapid maxillary expansion (RME) and following retention period.
Ali Altuğ Bıçakçı   +1 more
core   +1 more source

Comparative cranial biomechanics reveal macroevolutionary trends in theropod dinosaurs, with emphasis on Tyrannosauroidea

open access: yesThe Anatomical Record, EarlyView.
Abstract Tyrannosaurus is viewed as a model organism in vertebrate paleontology, with numerous studies analyzing its feeding biomechanics. Nonetheless, the evolution of this feeding performance has been under‐addressed in Tyrannosauroidea, especially in basal tyrannosauroids. Here we used muscle‐force reconstruction and finite element analysis (FEA) to
Evan Johnson‐Ransom   +4 more
wiley   +1 more source

Nasal soft‐tissue anatomy of Triceratops and other horned dinosaurs

open access: yesThe Anatomical Record, EarlyView.
Abstract Although ceratopsid dinosaurs possess a characteristically hypertrophied narial region, soft‐tissue anatomy associated with such a skeletal structure and their biological significance remain poorly understood. The present study provides the first comprehensive hypothesis on the soft‐tissue anatomy in the ceratopsid rostrum based on the Extant ...
Seishiro Tada   +5 more
wiley   +1 more source

MicroCT reinvestigation of the only articulated fossil anostomid fish reveals synonymy of Arhinolemur Ameghino, 1898 and Megaleporinus Ramirez et al., 2017

open access: yesThe Anatomical Record, EarlyView.
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri   +8 more
wiley   +1 more source

Expansion of the lower arch concurrent with rapid maxillary expansion

open access: yesAmerican Journal of Orthodontics and Dentofacial Orthopedics, 1988
The effect of rapid maxillary expansion on the mandibular intercanine and intermolar widths during treatment and its stability after retention was studied. In addition, the relationships between the interarch change and the facial types and ages of the subjects of the sample were evaluated.
R A, Sandstrom   +2 more
openaire   +3 more sources

Redescription of the Triassic cynodont Cistecynodon parvus and reassessment of its phylogeny

open access: yesThe Anatomical Record, EarlyView.
Abstract Cynodontia is an important subclade of Therapsida that first occurred in the late Permian. It includes extinct subclades which are the non‐mammaliaform cynodonts and Mammaliaformes, with the latter ultimately giving rise to crown mammals. The systematics of non‐mammaliaform cynodonts has been extensively studied and is relatively well‐resolved,
Erin S. Lund   +4 more
wiley   +1 more source

Effect of rapid maxillary expansion on halitosis

open access: yesAmerican Journal of Orthodontics and Dentofacial Orthopedics, 2018
The objective of this study was to evaluate the effect of rapid maxillary expansion (RME) on halitosis.Thirty children (11-15 years old) were randomly divided into RME and control groups. The RME group consisted of 15 children treated with hyrax appliances, and the control group included 15 children without treatment.
Erhamza, Turkan Sezen   +1 more
openaire   +2 more sources

Evolutionary radiation of large‐bodied gorgonopsians from the lower Abrahamskraal formation of South Africa

open access: yesThe Anatomical Record, EarlyView.
Abstract The middle Permian represents a critical interval in therapsid evolution, when gorgonopsians emerged as some of the first specialized apex predators within terrestrial ecosystems. Despite their significance, the early diversification of Gorgonopsia in Gondwana remains poorly understood due to scarcity and fragmentary material.
Zanildo Macungo   +5 more
wiley   +1 more source

Home - About - Disclaimer - Privacy