检索结果-南通市图书馆

Effectiveness of Disinfection of Anesthetics Tubes in oral surgery -An in Vitro Study

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Pharmacy and Pharmacology 2017年第7期5卷 424-429页

作者： José Kayque Neves Mayke Felipp de Araújo Martins Josefa Elaine Silva Germinio Maria Cristina de ndrade Sibele Ribeiro de Oliveira Dentistry course Research Group on Pathology of Communicable and Non-Communicable Diseases (GPPATO) Centro Universitário Tabosa de Almeida/Asces-Unita University district Caruaru/Pernambuco 55016-901 Brazil Biomedicine course Research Group on Pathology of Communicable and Non-Communicable Diseases (GPPATO) Centro Universitário Tabosa de Almeida/Asces-Unita University district Caruaru/Pernambuco 55016-901 Brazil

Context： Anesthetic tubes are always on the surgical table, for this reason, it＇s necessary to perform its disinfection, generally by chemicals. Aim： Was to analyze the effectiveness of tubes decontamination made by disinfectant substances used in a clinical setting and to identify the microorganisms found on their surface. Materials and Methods： 14 anesthetic tubes were collected from dental clinic, on 5 groups. 01 plastic and 01 glass tubes that were not submitted to any disinfection process composed the control group and they had been sown in Agar Blood. Experimental groups underwent immersion and fixation with the proposed chemicals for 1 minute, laminar flow hood was used to seed it in Agar Blood and then it was transferred to incubator for 24 hours at 37℃. Tests were used to identify the main Gram positive pathogenic genera. Gram-negative pathogenic colonies isolated were seeded in biochemical means of identification. Results： It was possible to identify the presence of Staphylococcus coagulase negative, Staphylococcus aureus, Streptococcus viridans, Staphylococcus saprophyticus, Escherichia coli and Acinetobacter spp, as well as the effectiveness of chemical solutions proposed in this study. Conclusions： All chemical solutions proposed in this study were effective for the surface disinfection process of anesthetic tubes.

关键词： Anesthetics antimicrobial effect disinfection oral surgery microbiology.

Application of machine learning in oral and maxillofacial surgery

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Artificial Intelligence in Medical Imaging 2021年第6期2卷 104-114页

作者： Kai-Xin Yan Lei Liu Hui Li State Key Laboratory of oral Diseases&National Clinical Research Center for oral Diseases&Department of oral and Maxillofacial surgery West China Hospital of StomatologySichuan UniversityChengdu 610041Sichuan ProvinceChina

oral and maxillofacial anatomy is extremely complex,and medical imaging is critical in the diagnosis and treatment of soft and bone tissue ***,there exists accumulating imaging data without being properly utilized over the last *** a result,problems are emerging regarding how to integrate and interpret a large amount of medical data and alleviate clinicians’***,artificial intelligence has been developing rapidly to analyze complex medical data,and machine learning is one of the specific methods of achieving this goal,which is based on a set of algorithms and previous *** learning has been considered useful in assisting early diagnosis,treatment planning,and prognostic estimation through extracting key features and building mathematical models by *** the past decade,machine learning techniques have been applied to the field of oral and maxillofacial surgery and increasingly achieved expert-level ***,we hold a positive attitude towards developing machine learning for reducing the number of medical errors,improving the quality of patient care,and optimizing clinical decision-making in oral and maxillofacial *** this review,we explore the clinical application of machine learning in maxillofacial cysts and tumors,maxillofacial defect reconstruction,orthognathic surgery,and dental implant and discuss its current problems and solutions.

关键词： Radiography Artificial intelligence Machine learning Deep learning oral surgery Maxillofacial surgery

Acellular Mineralized Exoskeleton Shrimp (MES): A Natural Source of Bioactive Factors for Tissue Regeneration—Preliminary Results

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Biosciences and Medicines 2022年第3期10卷 34-43页

作者： Raquel Zita Gomes Rodrigo Valdoleiros e Silva Américo Afonso Maria Helena Fernandes Mário Vasconcelos José Cavalheiro Faculty of Dental Medicine University of Porto Porto Portugal Private Practice (Raquel Zita Dental Clinic) Porto Portugal i3S—Institute for Research and Innovation in Health University of Porto Porto Portugal INEB—National Institute of Biomedical Engineering Porto Portugal ICBAS—Institute of Biomedical Sciences Abel Salazar University of Porto Porto Portugal School of Medicine University of Minho Braga Portugal Department of Histology Faculty of Dental Medicine University of Oporto Porto Portugal Department of Pharmacology Faculty of Dental Medicine University of Oporto Porto Portugal Department of Biomaterials Faculty of Dental Medicine University of Oporto Porto Portugal Faculty of Engineering University of Oporto Porto Portugal

Current challenges in the development of scaffolds for bone regeneration include the engineering of biomaterials that can withstand a natural dynamic physiology on the bone that provides a matrix capable of supporting cell migration and tissue ingrowth. The objective of the present work was to develop and characterize a new biomembrane—Mineralized Exoskeleton Shrimp (MES) developed from the exoskeleton of paleomonetes. The integration of MES as a biomaterial for tissue regeneration relies on the growing evidence that the shrimp is characterized by a hierarchically arranged chitin fiber structure, mineralized predominately by calcium carbonate and/or calcium phosphate, bringing beneficial effects in bone regeneration. Additionally, the tridimensional MES structure, can act as a “tent” for Guided Bone Regeneration (GBR). Recently, our team has characterized the MES biomaterial by in vitro (human osteoblastic cellular cultures and immersion of the membrane in modified synthetic plasma) and in vivo (soft tissue in lab mice and hard tissue in rabbit model). The cellular growth in the MES membrane was very exuberant in cellular culture with osteoblastic colonization on its surface (histophilic and biocompatible). After the immersion in modified synthetic plasma for one week, a mass mineralization occurred throughout the membrane’s surface (bioactive). The analysis of histological samples from experimental surgery in lab mice showed that the MES membrane wasn’t toxic to soft tissues and that it caused a moderate inflammatory response (first reabsorption signs at 8 weeks). The MES could act as a cell-guiding template that contains the necessary cues and adequate three-dimensional set to facilitate cell adhesion and promote tissue regeneration upon implantation and subsequent biodegradation.

关键词： Guided Bone Regeneration Biomaterial Biocompatibility oral surgery

Adenomatoid odontogenic tumour displacing multiple teeth in an adolescent

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Open Journal of Stomatology 2012年第2期2卷 146-148页

作者： Kellen Cristine Tjioe Denise Tostes Oliveira Marcelo Lupion Poleti Osny Ferreira Jr. Eduardo Sant’Anna Eduardo Sanches Goncales Department of Stomatology Bauru School of DentistryUniversity of Sao PauloBauruSao PauloBrazil

Adenomatoid odontogenic tumor is an unusual benign neoplasm which shares clinical and radiographic characteristics with odontogenic cystic lesions denoting a distinct behavior. This paper reports a case of a 12-year-old boy with a bony consistence tumefaction involving the area from teeth 12 to 17. Radiographically, the lesion was characterized by a well-circum- scribed unilocular radiolucent area displacing maxillary canine, first and second premolars. The final diagnosis was adenomatoid odontogenic tumour. The lesion was enucleated concomitantly with the removal of the canine tooth under general anesthesia. The patient was submitted to orthodontic treatment and has been followed-up for four years. Clinical and radiographic features are discussed in this report.

关键词： Odontogenic Tumor Adenomatoid Odontogenic Tumor oral surgery

Mandibular cementoblastoma:Case report

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Open Journal of Stomatology 2012年第1期2卷 50-53页

作者： Cintia Mussi Milani César Augusto Thomé Rosangela Sayuri Saga Kamikawa Mariana Daniel da Silva Maria Angela Naval Machado Universidade Tuiuti do Paraná CuritibaBrazil Center for Health and Biological Sciences Pontifícia Universidade Católica do ParanáCuritibaBrazil Associacao Brasileira de Odontologia-Secao Paraná CuritibaBrazil Private Practice CuritibaBrazil Universidade Federal do Paraná CuritibaBrazil

Cementoblastoma is a rare benign lesion that represents less than 1% of all odontogenic tumours. It’s characterized by proliferation of cementum-like tissue and in almost all cases tends to be associated with an erupted permanent tooth, most often the first mo- lar. We present an unusual case of a large cemento-blastoma that affected the right mandibular body, extending from the first premolar to the second molar, of a 19-years-old male. In this case an initial surgery was attempted under local anaesthesia, resulting in incomplete tumor removal. A second surgical procedure was performed under general anaesthesia, ensuring the complete excision of the lesion. The patient was monitored for 1 year after surgery and did not show any signs of recurrence.

关键词： Odontogenic Tumor Cementoblasts oral surgery

The infrahyoid myocutaneous flap for reconstruction after oral cancer resection: A retrospective single-surgeon study

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Otorhinolaryngology-Head and Neck surgery 2018年第4期4卷 273-277页

作者： Adit Chotipanich Sombat Wongmanee Department of Otolaryngology Chonburi Cancer HospitalDepartment of Medical ServicesMinistry of Public HealthThailand

Objective:To review our experience with infrahyoid myocutaneous flap in reconstruction after oral cancer ***:Chart reviews were completed for all patients who underwent oral reconstruction with an infrahyoid myocutaneous flap by a single surgeon in the Department of Otolaryngology at Chonburi Cancer Hospital from 2011 to *** of the patients and postoperative complications were ***:Of the 34 patients in the study,10(29.4%)developed partial flap loss and 1(2.9%)developed total flap *** cases of partial flap loss resolved with conservative *** cancer involvement of a cervical lymph node was significantly associated with flap failure(odds ratio:5.0,95%CI:1.03e24.28).Conclusions:The infrahyoid myocutaneous flap is a fairly reliable reconstruction *** flap should be performed with caution in cases with gross lymph node involvement.

关键词： Infrahyoid flap oral surgery Intraoral reconstruction Pedicled flap Local flap Flap failure Tongue surgery