Results 71 to 80 of about 878,557 (229)

On a dynamic reaction-diffusion mechanism: The spatial patterning of teeth primordia in the alligator [PDF]

, 1996
It is now well established both theoretically and, more recently, experimentally, that steady-state spatial chemical concentration patterns can be formed by a number of specific reaction–diffusion systems.
Kulesa, P. M., Murray, J. D.
core   +1 more source

Analysis of Pediatric Pulpotomy, Pulpectomy, and Extractions in Primary Teeth Revealed No Significant Association with Subsequent Root Canal Therapy and Extractions in Permanent Teeth: A Retrospective Study

Pediatric Reports
Recent evidence suggests that an ever-growing number of pediatric patients require invasive treatments such as root canal therapy (RCT) in their permanent dentition, albeit with little information about risk factors such as prior invasive treatments of ...
Arash Farhadian, Mayce Arreem Issa, Karl Kingsley, Victoria Sullivan   +3 more
doaj   +1 more source

YOLO-V5 based deep learning approach for tooth detection and segmentation on pediatric panoramic radiographs in mixed dentition

BMC Medical Imaging
Objectives In the interpretation of panoramic radiographs (PRs), the identification and numbering of teeth is an important part of the correct diagnosis.
Büşra Beşer, Tugba Reis, Merve Nur Berber, Edanur Topaloğlu, Esra Gungor, Münevver Coruh Kilic, S. Duman, Ö. Çelik, Alican Kuran, I. Bayrakdar   +9 more
semanticscholar   +1 more source

Dental arch widths in the early and late permanent dentitions of a Nigerian population

Nigerian Dental Journal, 2009
Objective: This study was carried out in a Nigerian population to assess arch widths at two different stages of dentition, to observe the comparative changes which may occur, and to determine the presence or absence of sexual dimorphism in arch ...
I. A. Aluko, O. O. daCosta, M. C. Isiekwe   +2 more
doaj   +1 more source

Influence of growth structures and fixed appliances on automated cephalometric landmark recognition with a customized convolutional neural network

BMC Oral Health, 2023
Background One of the main uses of artificial intelligence in the field of orthodontics is automated cephalometric analysis. Aim of the present study was to evaluate whether developmental stages of a dentition, fixed orthodontic appliances or other ...
Teodora Popova, Thomas Stocker, Yeganeh Khazaei, Yoana Malenova, Andrea Wichelhaus, Hisham Sabbagh   +5 more
doaj   +1 more source

Early mandibular canine-lateral incisor transposition: case report [PDF]

, 2017
Purpose. The main aim of the present study is to present a case of mandibular transposition between lateral incisor and canine in a paediatric patient. Materials and methods.
Corsalini, M., Di Venere, D., Grassi, F. R., Lacarbonara, V., Laforgia, A., Nardi, G. M., Pettini, F., Rapone, B., Stefanachi, G.   +8 more
core   +1 more source

Is Malnutrition Associated with Crowding in Permanent Dentition? [PDF]

International Journal of Environmental Research and Public Health, 2010
Evidence suggests that energy-protein malnutrition is associated with impaired growth and development of facial bones. The objective of this study was to investigate the association between nutritional status and reduced space for dental eruption (crowding) in permanent dentition. A cross-sectional study with probabilistic sampling design was used.
Thomaz, Erika B. A. F., Cangussu, Maria Cristina T., Silva, Antônio Augusto M. da, Assis, Ana Marlúcia O.   +3 more
openaire   +2 more sources

An Evaluatıon Of Occlusıon Of Chıldren In The Prımary And Mıxed Dentıtıon

Turkish Journal of Orthodontics, 1996
The occlusion in the primary and mixed dentition stages have evaluated. Among the children being examined, highest rates for class 1 incisor occlusion, flush terminal plane in decidious dentition and class 1 molar occlusion in permanant molars found as ...
Halil Kayalıbay, Meryem Uzamış, Gülgün İkören   +2 more
doaj   +1 more source

Effectiveness, cost-effectiveness and cost-benefit of a single annual professional intervention for the prevention of childhood dental caries in a remote rural Indigenous community [PDF]

, 2015
Background The aim of the study is to reduce the high prevalence of tooth decay in children in a remote, rural Indigenous community in Australia, by application of a single annual dental preventive intervention.
A Ahovuo-Saloranta, A Tam, Australian Institute of Aboriginal and Torres Strait Islander Studies, Australian Institute of Health and Welfare, BF Gooch, BL Pihlstrom, FJ Ramos-Gomez, GC Mejia, GD Slade, J Abanto, JA Aas, JA Weintraub, Jeroen Kroon, JJ Caro, JM Tanzer, JY Lee, K Gabris, K Pieper, K Roberts-Thomson, KF Roberts-Thomson, KJ Stevens, L Lopez, L Zhan, Lisa M. Jamieson, LJ Walsh, M Bonecker, MF Savage, MM Braga, MS Skeie, National Health & Medical Research Council, Newell W. Johnson, NW Johnson, Ohnmar Tut, OK Tut, Paul A. Scuffham, PL Rouxel, PM Milgrom, PS Ollila, Ratilal Lalloo, RH Selwitz, RJ Berkowitz, RJ Marino, Robyn Boase, S Gherunpong, S Krisdapong, S Kumar, Sanjeewa Kularatna, Surani Fernando, T Vos, Valda Wallace, VC Marinho, W Marcenes, Yvonne Cadet-James   +52 more
core   +4 more sources

Molariform Mesiodens in Primary Dentition

Case Reports in Dentistry, 2013
Mesiodens is a midline supernumerary tooth commonly seen in the maxillary arch, and incidence of molariform mesiodens in the maxillary midline is rare in permanent dentition and extremely uncommon in primary dentition.
Sachin B. Mangalekar, Tajammul Ahmed, M. Zakirulla, Halawar Sangmesh Shivappa, F. B. Bheemappa, Chandrashekar Yavagal   +5 more
doaj   +1 more source