Results 41 to 50 of about 144,101 (240)

Comparative treatment outcomes after bilateral extractions of maxillary second molars or first premolars in patients with class II malocclusion: a retrospective study

Head & Face Medicine, 2023
Background This retrospective cohort study aimed to compare treatment results between bilateral extraction of upper second molars (M2) and first premolars (P1) in terms of treatment timing, cephalometry, upper third molar alignment and relapse in the ...
Eva Paddenberg, Maria Christina Braun, Peter Proff, Carsten Lippold, Christian Kirschneck   +4 more
doaj   +1 more source

Self‐supportive Three‐Way Photoelectrochemical System Achieving Uranium Recycling, Organic Oxidation, and Electricity Generation in Complex Waters

Advanced Functional Materials, EarlyView.
A self‐sustaining solar photoelectrochemical cell (SS‐PEC) is developed to recover uranium from aqueous UO22+ with concurrent organic oxidation and electricity production. The monolithical photoanode directly captures electrons from organic compounds, leading to the oxidation of organic compounds and the decomposition of uranium‐organic complexes ...
Yumei Wang, Qingming Zeng, Haodong Ji, Rongzhong Wang, Jiachen Wang, Yanjun Wen, Wonyong Choi, Qingyi Zeng   +7 more
wiley   +1 more source

A comparison of third molar angulation changes after Extraction and Non-Extraction orthodontic treatment [PDF]

Iranian Journal of Orthodontics, 2011
Introduction: Third molar impaction is usually related to lack of space for eruption. The aim of this study was to assess third molar angulation following extraction and non extraction orthodontic treatment.Methods: This study was carried out on ...
Mojgan Kachoei, ‪Mohammad Hossein Ahangar Atashi, Amir Mohammadi, Sina BadamchiZadeh, Mehri Khobivand, Mahdieh Nourzadeh   +5 more
doaj   +1 more source

Controlled Aggregation of Pyrene‐Based Supramolecular Nanostructures for Light‐Driven Switchable H2 or H2O2 Production

Advanced Functional Materials, EarlyView.
This work reports the self‐assembly of a pyrene derivative into two distinct nanostructures and their application in visible‐light photocatalysis. The two nanostructures exhibit completely different yet complementary photocatalytic activities, promoting either H2 or H2O2 evolution.
Marianna Barbieri, Matilde Doardo, Ilaria Fortunati, Anna Fortunato, Elisabetta Collini, Francesca Arcudi, Luka Ðorđević   +6 more
wiley   +1 more source

Topografia da papila parotidea em Cafes sem raça definida

Biotemas, 2004
A topografia da papila parotídea e seu ducto excretor têm sido objeto de pesquisas, devido ao seu uso em técnicas de exames clínicos e cirurgias. 0 presente trabalho visou determinar a localização da abertura do ducto parotideo em cães sem raga definida,
Christina de Siqueira Mendonça, Frederico Ozanam Carneiro e Silva, Guilherme Nascimento Cunha, Humberto Eustáquio Coelho   +3 more
doaj  

Tip, torque and rotation of maxillary molars during distalization using Invisalign: a CBCT study

BMC Oral Health
Background Desirable molar distalization by bodily movement is challenging and can be difficult to achieve. This study investigated changes in molar angulation (mesiodistal tipping), molar inclination (buccolingual torque) and rotation during ...
Dina Elfouly, Nadia M. El-Harouni, Hanan A. Ismail, Tarek El-Bialy, Ahmed Ghoneima   +4 more
doaj   +1 more source

A novel chitin binding crayfish molar tooth protein with elasticity properties.

PLoS ONE, 2015
The molar tooth of the crayfish Cherax quadricarinatus is part of the mandible, and is covered by a layer of apatite (calcium phosphate). This tooth sheds and is regenerated during each molting cycle together with the rest of the exoskeleton.
Jenny Tynyakov, Shmuel Bentov, Shai Abehsera, Isam Khalaila, Rivka Manor, Lihie Katzir Abilevich, Simy Weil, Eliahu D Aflalo, Amir Sagi   +8 more
doaj   +1 more source

Printed Integrated Logic Circuits Based on Chitosan‐Gated Organic Transistors for Future Edible Systems

Advanced Functional Materials, EarlyView.
Edible electronics needs integrated logic circuits for computation and control. This work presents a potentially edible printed chitosan‐gated transistor with a design optimized for integration in circuits. Its implementation in integrated logic gates and circuits operating at low voltage (0.7 V) is demonstrated, as well as the compatibility with an ...
Giulia Coco, Valerio Francesco Annese, Valerio Galli, Ilaria Penna, Debora Russo, Marina Veronesi, Rita Scarpelli, Stefania Sabella, Mario Caironi   +8 more
wiley   +1 more source

Prevalensi Dan Predileksi Plak Gigi Pada Kucing Di Kota Denpasar

Indonesia Medicus Veterinus, 2018
Penelitian ini bertujuan untuk mengetahui prevalensi dan predileksi plak gigi pada kucing yang dipelihara di kota Denpasar. Penelitian observasional telah dilakukan terhadap 50 ekor kucing lokal maupun kucing ras di kota Denpasar.
Dimas Andi Pratama, Iwan Harjono Utama, Putu Ayu Sisyawati Putriningsih   +2 more
doaj  

Laser‐Induced Graphene from Waste Almond Shells

Advanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova, Anna Chiara Bressi, Marina Galliani, Attilio Marino, Gianni Ciofani, Eduardo Machado‐Charry, Hilda Gomez Bernal, Alessandra Francini, Luca Sebastiani, Francesco Greco   +9 more
wiley   +1 more source