Results 61 to 70 of about 13,867,764 (239)

Dental anomalies in Pleistocene African hippopotamuses from Olduvai Bed II

The Anatomical Record, EarlyView.
Abstract Hippopotamuses are key palaeoenvironmental indicators in African Pleistocene ecosystems due to their ecological dependence on permanent water bodies and their frequent representation in the fossil record. This study examines dental anomalies in Hippopotamus cf. gorgops from several localities in Bed II of Olduvai Gorge (Tanzania), dated to ca.
Darío Fidalgo, Faysal Bibi, Jean‐Renaud Boisserie, Jackson K. Njau, Ignacio de la Torre   +4 more
wiley   +1 more source

Mapping of proximal enamel thickness in permanent teeth

Brazilian Journal of Oral Sciences, 2015
Aim: Knowledge of enamel thickness is relevant to perform stripping during orthodontic treatment. Thus, proximal enamel measurements of human permanent teeth were compared in this study.
Flávio Vellini Ferreira, Flávio Augusto Cotrim Ferreira, José Alaor Ribeiro, Rívea Inês Ferreira Santos   +3 more
doaj   +1 more source

Body mass and sex estimation from lower carnassial tooth morphometry in the endangered Iberian wolf (Canis lupus signatus): An ecomorphological analysis of sexual size dimorphism

The Anatomical Record, EarlyView.
Abstract The Iberian wolf (Canis lupus signatus) is an endangered subspecies characterized by highly fragmented populations and increasing human–carnivore conflict across the Iberian Peninsula. Although body mass strongly influences predator–prey dynamics and ecological performance, quantitative assessments of sexual size dimorphism (SSD) and body mass
Leonardo Cotts, Eduardo Rossener, Ricardo Moratelli, Maria da Luz Mathias, Oscar Rocha‐Barbosa   +4 more
wiley   +1 more source

Effectiveness of a miniscrew-assisted technique for protracting mandibular second molars: A prospective quasi-experimental study [PDF]

Journal of Dental Materials and Techniques
Objective: This study assessed the effectiveness of a miniscrew-assisted rectangular loop technique for protracting mandibular second molars without using full-arch appliances.Methods: This prospective pilot quasi-experimental study included 10 ...
Fahimeh Farzanegan, Mahsa Ghorbani, Hooman Shafaee, Lohrasb Dehghani   +3 more
doaj   +1 more source

Redescription of †Eobrasilia coutoi (Metatheria: Polydolopimorphia), a unique sclerocarpophagous metatherian from the Palaeogene of South America: Systematic affinities, and paleoecological and evolutionary implications

The Anatomical Record, EarlyView.
Abstract The ‘Palaeogene strata’ of the Itaboraí Basin (upper Paleocene‐lower Eocene), Southeastern Brazil, has preserved 29 genera and almost 50 species of metatherians (about 65% of its mammalian diversity). Among them, Eobrasilia coutoi Simpson, 1947 is the most enigmatic due to its quite fragmentary nature.
Leonardo M. Carneiro, Hugo Bampi, Ana C. Bernardes‐Dias, Lidiane Asevedo, João P. P. Araújo, Matheus R. Arêas, Alessandra S. Machado, Ricardo T. Lopes, Rafael C. Silva, Marina B. Soares, Gustavo R. Oliveira   +10 more
wiley   +1 more source

Learning beyond the lab: A gamified approach to anatomy education in a museum‐based experience

Anatomical Sciences Education, EarlyView.
Abstract Anatomy education, traditionally rooted in descriptive instruction and cadaveric dissection, is undergoing a significant transformation through the integration of educational technologies and contemporary pedagogical strategies. Among these, active learning methodologies, such as gamified‐based learning, have emerged as approaches designed to ...
Wendell Nunes da Silva, Diego Pulzatto Cury, Silvia Lacchini, Ana Paula Cremasco Takano   +3 more
wiley   +1 more source

Radiographic Follow-Up during Orthodontic Treatment for Early Diagnosis of Sequential Supernumerary Teeth

Case Reports in Dentistry, 2016
Most supernumerary teeth are impacted and asymptomatic. Objective. The aim of this paper is to describe two cases of sequential development of supernumerary teeth in the mandibular premolar region, identified during orthodontic treatment. Reports.
Selma Sano Suga, Paula de Castro Kruly, Talissa Mayer Garrido, Marise Sano Suga Matumoto, Uhana Seifert Guimarães Suga, Raquel Sano Suga Terada   +5 more
doaj   +1 more source

Influence of First Premolar Extraction on Mandibular Third Molar Angulation

The Angle Orthodontist, 2009
Abstract Objective: To compare the angular changes in the developing mandibular third molars in both first premolar extraction and nonextraction cases and to determine whether premolar extraction results in a more mesial movement of the mandibular buccal segment and causes favorable rotational changes in the mandibular third molar ...
Suruchi, Jain, Ashima, Valiathan
openaire   +2 more sources

Optimized micro‐sized cell sphere‐matrix niche co‐aggregates promote efficient oral and craniomaxillofacial bone regeneration

BMEMat, EarlyView.
The construct of cell‐niche co‐aggregates (GelMA‐SHED sphere‐DDMPs) promotes cranial and periodontal bone regeneration and ensures angiogenic‐osteogenic coupling by downregulating miR‐34c‐5p to enhance the expression of NOTCH1 and its intracellular domain (NICD).
Xiao‐Hui Zhang, Shi‐Han Mu, Yi‐Han Xiao, Lu‐Fan Yang, Peng‐Fei Wang, Teng‐Fei Hu, Jun‐Xi He, Jiong‐Zhen Piao, Sha Zhang, Jin‐Yu Liu, Yi‐De He, Ying‐Ying Wu, Si‐Qi Ying, Xin‐Yue Cai, Chen‐Han Li, Zi‐Qi Zhang, Xiao Lei, Ji Chen, Jian‐Fei Liang, Yan Jin, Bing‐Dong Sui, Chao Ma, Chen‐Xi Zheng, Fang Jin   +23 more
wiley   +1 more source

Morphological variations of mandibular first premolar in a Saudi Arabian subpopulation evaluated using Cone Beam Computed Tomography CBCT

Saudi Dental Journal, 2019
In-depth knowledge of common and aberrant pulp morphology is essential for appropriate diagnosis and treatment planning prior to commencing root canal treatment. Radicular morphology of mandibular premolars has been extensively studied.
Youssef A. Algarni, Muna J. Almufarrij, Ibrahim A. Almoshafi, Haneen H. Alhayaza, Nuha Alghamdi, Suheel Manzoor Baba   +5 more
doaj   +1 more source