Results 111 to 120 of about 19,219 (304)

Rapıd Maxıllary Expansıon In Two Borderlıne Cases

open access: yesTurkish Journal of Orthodontics, 1993
Rapid maxillary expansion and non-extraction therapy may be an alternative treatment approach for some borderline cases presenting unilateral or bilateral posterior cross-bite, a good profile balance with accompanying maxillary arch length discrepancy ...
Aslı Ender Telli   +2 more
doaj   +1 more source

Patterns of interspecific variation in labial microarchitecture among anthropoid primates and the evolution of the hominin lips

open access: yesThe Anatomical Record, EarlyView.
Comparative histological and semi‐automated image analysis of primate lips: Masson's trichrome‐stained sagittal sections were segmented to quantify the connective tissue, adipose, and muscular components, enabling interspecific comparisons of labial architecture.
Liat Rotenstreich   +5 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

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

Effects of Palatal Expansion on Speech Production [PDF]

open access: yes, 2017
Introduction: Rapid palatal expanders (RPEs) are a commonly used orthodontic adjunct for the treatment of posterior crossbites. RPEs are cemented to bilateral posterior teeth across the palate and thus may interfere with proper tongue movement and ...
Meinhardt, Jason Milton
core   +1 more source

Wooden Spatula Sinusitis following Maxillary Expansion Surgery [PDF]

open access: yes, 2018
Sinusitis is a recognised rare complication of palatine expansion procedures and is usually caused by the presence of an oroantral fistula. We report the first case of unilateral sinusitis as a result of a retained foreign body (a wooden spatula ...
Addison, Alfred   +2 more
core   +1 more source

Treatment timing for rapid maxillary expansion.

open access: yesThe Angle orthodontist, 2001
The aim of this study was to evaluate the short-term and long-term treatment effects of rapid maxillary expansion in 2 groups of subjects treated with the Haas appliance. Treatment outcomes were evaluated before and after the peak in skeletal maturation, as assessed by the cervical vertebral maturation (CVM) method, in a sample of 42 patients compared ...
BACCETTI, TIZIANO   +3 more
openaire   +2 more sources

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

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

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