Results 71 to 80 of about 9,228 (282)

A method based on 3D affine alignment for the quantification of palatal expansion.

open access: yesPLoS ONE, 2022
IntroductionThe current methodologies to quantify the palatal expansion are based on a preliminary rigid superimposition of 3D digital models representing the status of a given patient at different times.
Andrea Maggiordomo   +3 more
doaj   +1 more source

Orthodontics and obstructive sleep apnea in children [PDF]

open access: yes, 2010
Children who suffer from respiratory problems and obstructive sleep apnea (OSA) commonly exhibit disturbances of craniofacial morphology. A significant number have nasal obstruction associated with a narrow maxilla; maxillary constriction may increase
De Rosa, C   +3 more
core   +2 more sources

The cranial, mandibular, and hyoid anatomy of softshell turtles (Trionychidae): A revised character list for phylogenetic analysis

open access: yesThe Anatomical Record, EarlyView.
Abstract Softshell turtles (Pan‐Trionychidae) are an early branching clade of hidden‐necked turtles (Cryptodira) with a rich fossil record extending back to the Early Cretaceous. The evolutionary history of softshell turtles is still unresolved because of their conservative morphology combined with high levels of polymorphism related to morphological ...
Léa C. Girard, Walter G. Joyce
wiley   +1 more source

Investigation of the effects of different rapid palatal expansion methods on the nasal passage and pharyngeal region

open access: yesBMC Oral Health
Background This study aimed to analyze the effects of tooth, tooth-bone, and bone-supported RME (rapid maxillary expansion) appliances on the nasomaxillary complex and nasopharyngeal area among individuals with maxillary transverse stenosis using CBCT ...
Gizem Y. Özen, İsmail Ceylan
doaj   +1 more source

Midpalatal suture bone repair after miniscrew-assisted rapid palatal expansion in adults

open access: yesProgress in Orthodontics, 2022
Background Midpalatal suture (MPS) repair in growing patients after RPE has been previously reported. However, differences between young and adult patients for timing and pattern of MPS repair after rapid maxillary expansion are expected. The aim of this
Rodrigo Naveda   +5 more
doaj   +1 more source

Cnemidophorus sexlineatus [PDF]

open access: yes, 1996
Number of Pages: 12Integrative BiologyGeological ...
McAllister, Chris T., Trauth, Stanley E.
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

Rapid palatal expansion: a comparison of two appliances

open access: yesBrazilian Oral Research, 2012
This study analyzed occlusal radiographs to compare the transverse changes produced in patients treated with rapid maxillary expansion using two types of appliances.
Amanda do Prado Rodrigues   +3 more
doaj   +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

Slow maxillary expansion: a comparison between banded and bonded appliances [PDF]

open access: yes, 2017
Various investigations have mentioned the use of a bonded maxillary expansion appliance. It was postulated that a full coverage of the occlusal surfaces by acrylic would remove interferences during the lateral displacement of the two maxillary bones and ...
Mossaz, Claude F.   +1 more
core  

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