Results 81 to 90 of about 1,959,184 (257)

Dental crown morphological variation and heterodonty in carcharhiniform sharks

The Anatomical Record, EarlyView.
Abstract Elasmobranch teeth are highly mineralized structures that constitute the majority of the fossil record for this group. Despite their taxonomic and evolutionary significance, detailed descriptions of dental morphology remain scarce. The order Carcharhiniformes, the most diverse among sharks, comprises 304 valid species that display remarkable ...
Flávia Zanini, Karla D. A. Soares
wiley   +1 more source

Hexa Helix: Modified Quad Helix Appliance to Correct Anterior and Posterior Crossbites in Mixed Dentition

Case Reports in Dentistry, 2012
Among the commonly encountered dental irregularities which constitute developing malocclusion is the crossbite. During primary and mixed dentition phase, the crossbite is seen very often and if left untreated during these phases then a simple problem may
Syed Mohammed Yaseen, Ravindranath Acharya   +1 more
doaj   +1 more source

Applicability of Moyer’s prediction tables to estimate the mesio-distal diameter of canines and premolars

Dentistry 3000, 2019
Objective: The aim of this study was to verify the applicability of Moyer’s prediction tables to estimate the mesio-distal diameter of canines and pre-molars in a population of North-Eastern Brazil.
Amanda de Sousa Galdino, Tânia Braga Ramos, Vitor Marques Filgueiras, Rosa Helena Wanderley Lacerda   +3 more
doaj   +1 more source

Cortical bone distribution in the human mandibular symphysis: Ontogenic and morphometric approaches in archeological context

The Anatomical Record, EarlyView.
Abstract The human mandibular symphysis concentrates multiaxial loads during function and remodels throughout growth, but the precise mechanisms underlying cortical bone shape during growth remain relatively unexplored. Approaches based solely on thickness or external cortical contours provide only partial insights and do not capture the functional ...
Ana Ribeiro, Elsa Garot, Christine Couture, Pierre‐Hadrien Decaup   +3 more
wiley   +1 more source

Previously undocumented regional variability in crab‐eating macaque skull sexual dimorphism and its implications for biological and morphometric studies

The Anatomical Record, EarlyView.
Abstract In a large sample of adult crab‐eating macaques, we quantified sexual dimorphism in size, shape, and covariance across the whole skull and among anatomical regions of the cranium and mandible. All regions showed significant mean sex differences, but the magnitude of size and shape dimorphism varied substantially.
Andrea Cardini, Paul O'Higgins
wiley   +1 more source

Risk of developing palatally displaced canines in patients with early detectable dental anomalies: a retrospective cohort study

Journal of Applied Oral Science
The early recognition of risk factors for the occurrence of palatally displaced canines (PDC) can increase the possibility of impaction prevention. Objective To estimate the risk of PDC occurrence in children with dental anomalies identified early ...
Daniela Gamba GARIB, Melissa LANCIA, Renata Mayumi KATO, Thais Marchini OLIVEIRA, Lucimara Teixeira das NEVES   +4 more
doaj   +1 more source

Rapid palatal expansion in mixed dentition, stability

, 2017
Cíl: Cílem studie bylo zhodnotit změny v horním a dolním zubním oblouku po rychlé palatinální expanzi (RPE) ve smíšeném chrupu a stabilitu expanze do období stálého chrupu.
Böhmová, Hana, Marek, Patrice, Chrášťanská, Dana   +2 more
core  

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

The 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, Humberto L. Andrelino, Sergio Bogan, José P. O'Gorman, Federico Agnolín, Brian L. Sidlauskas, Nahuel Vega, Agustín G. Martinelli, José L. Birindelli   +8 more
wiley   +1 more source

Parameters of the Mixed Dentition in Diabetic Children

, 1973
In diabetic children accelerated development of the mixed dentition was evident before the age of 11.5 years; at this age and thereafter, development was retarded.
L. Bohatka, H. Wegner, P. Adler
core   +1 more source

Oldest well‐preserved euprimate petrosal, from the early Eocene of India (Vastan Lignite Mine, Gujarat)

The Anatomical Record, EarlyView.
Abstract An exquisitely preserved, isolated partial petrosal with associated fragmentary stapes is described from the Vastan Lignite Mine (Gujarat, India), dated to the early Eocene (~54.5 Ma). Several anatomical traits (e.g., large petrosal plate; posterolateral entry of the internal carotid artery to the tympanic cavity; bony tubes surrounding the ...
Mary T. Silcox, Kenneth D. Rose, Rachel H. Dunn, Kishor Kumar, Rajendra S. Rana, Ashok Sahni, Lachham Singh, Thierry Smith, Jordan W. Crowell   +8 more
wiley   +1 more source