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Bone block from lateral window-correcting vertical and horizontal bone deficiency in maxilla posterior site:A case report

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World Journal of clinical Cases 2024年第12期12卷 2109-2115页

作者： Yu-Lan Wang Wen-Jun Shao Min Wang State Key Laboratory of oral and maxillofacial Reconstruction and Regeneration Key Laboratory of Oral Biomedicine Ministry of EducationHubei Key Laboratory of StomatologySchool and Hospital of StomatologyWuhan UniversityWuhan 430079Hubei ProvinceChina Department of oral Implantology School and Hospital of StomatologyWuhan UniversityWuhan 430079Hubei ProvinceChina

BACKGROUND Lateral window approach for sinus floor lift is commonly used for vertical bone augmentation in cases when the residual bone height is less than 5 ***,managing cases becomes more challenging when a maxillary sinus pseudocyst is present or when there is insufficient bone *** this case,we utilized the bone window prepared during the lateral window sinus lift as a shell for horizontal bone *** allowed for simultaneous horizontal and vertical bone augmentation immediately after the removal of the maxillary sinus *** SUMMARY A 28-year-old female presented to our clinic with the chief complaint of missing upper left posterior *** examination showed a horizontal deficiency of the alveolar ridge *** height of the alveolar bone was approximately 3.6 mm on cone beam computed tomography(CBCT).And a typical well-defined'dome-shaped'lesion in maxillary sinus was observed on CBCT *** lateral bony window was prepared using a piezo-ultrasonic device,then the bony window was fixed to the buccal side of the 26 alveolar ridge using a titanium screw with a length of 10 mm and a diameter of 1.5 *** space between the bony window and the alveolar ridge was filled with Bio-Oss,covered with a Bio-Gide collagen membrane,and subsequently *** months later,the patient’s bone width increased from 4.8 to 10.5 mm,and the bone height increased from 3.6 to 15.6 ***,a Straumann^(■)4.1 mm×10 mm implant was *** final all-ceramic crown restoration was completed four months later,and both clinical and radiographic examinations showed that the implant was successful,and the patient was satisfied with the *** The bone block harvested from the lateral window sinus lift can be used for simultaneous horizontal bone augmentation acting as a shell for good two-dimensional bone augmentation.

关键词： Sinus lift Lateral window Dental implant Horizontal bone augmentation Case report

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Expert consensus on pediatric orthodontic therapies of malocclusions in children

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International Journal of oral Science 2024年第2期16卷 186-196页

作者： Chenchen Zhou Peipei Duan Hong He Jinlin Song Min Hu Yuehua Liu Yan Liu Jie Guo Fang Jin Yang Cao Lingyong Jiang Qingsong Ye Min Zhu Beizhan Jiang Wenhua Ruan Xiao Yuan Huang Li Rui Zou Yulou Tian Li Gao Rui Shu Jianwei Chen Renkai Liu Shujuan Zou Xiaobing Li State Key Laboratory of oral Diseases&National Center for Stomatology&National clinical Research Center for oral Diseases&Department of Pediatric Dentistry West China Hospital of StomatologySichuan UniversityChengduChina State Key Laboratory of oral Diseases&National Center for Stomatology&National clinical Research Center for oral Diseases&Department of Orthodontics West China Hospital of StomatologySichuan UniversityChengduChina State Key Laboratory of oral and maxillofacial Reconstruction and Regeneration&Key Laboratory of oral Biomedicine Ministry of Education&Hubei Key Laboratory of Stomatology&Department of Orthodontics&Center for Dentofacial Development and Sleep Medicine School and Hospital of StomatologyWuhan UniversityWuhanChina Chongqing Key Laboratory of oral Diseases and Biomedical Sciences&Chongqing Municipal Key Laboratory of oral Biomedical Engineering of Higher Education Stomatological Hospital of Chongqing Medical UniversityChongqing Medical University&College of StomatologyChongqing Medical UniversityChongqingChina Department of Orthodontics Hospital of StomatologyJilin UniversityChangchunChina Department of Orthodontic&oral Biomedical Engineering Laboratory Shanghai Stomatological HospitalFudan UniversityShanghaiChina Department of Orthodontics Central LaboratoryPeking University School and Hospital for Stomatology&National Center for Stomatology&National Clinical Research Center for Oral Diseases&National Engineering Research Center of Oral Biomaterials and Digital Medical Devices&Beijing Key Laboratory of Digital Stomatology&Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health&NMPA Key Laboratory for Dental Materials&National Engineering Research Center of Oral Biomaterials and Digital Medical DevicesBeijingChina Department of Orthodontics School and Hospital of StomatologyCollege of MedicineShandong University&Shandong Key Laboratory of Oral Tissue Regeneration&Shandong Engineering Laboratory for Dental Materials and Oral Tissue

Malocclusion,identified by the World Health Organization(WHO)as one of three major oral diseases,profoundly impacts the dental-maxillofacial functions,facial esthetics,and long-term development of~260 million children in *** its physical manifestations,malocclusion also significantly influences the psycho-social well-being of these *** intervention in malocclusion can foster an environment conducive to dental-maxillofacial development and substantially decrease the incidence of malocclusion or reduce the severity and complexity of malocclusion in the permanent dentition,by mitigating the negative impact of abnormal environmental influences on the *** orthodontic treatment encompasses accurate identification and treatment of dental and maxillofacial morphological and functional abnormalities during various stages of dental-maxillofacial development,ranging from fetal stages to the early permanent dentition *** an economic and societal standpoint,the urgency for effective early orthodontic treatments for malocclusions in childhood cannot be overstated,underlining its profound practical and social *** consensus paper discusses the characteristics and the detrimental effects of malocclusion in children,emphasizing critical need for early *** elaborates on corresponding core principles and fundamental approaches in early orthodontics,proposing comprehensive guidance for preventive and interceptive orthodontic treatment,serving as a reference for clinicians engaged in early orthodontic treatment.

关键词： permanent stated children

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Epidemiological analysis of the clinicopathologic characteristics,treatment,and prognosis of 2648 jaw cysts in West China

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Chinese Medical Journal 2024年第9期137卷 1124-1126页

作者： Hui Li Zuoqiang Liu Linli Jiang Jiangyu Liang Lei Liu Department of oral and maxillofacial surgery State Key Laboratory of Oral Disease&National Center for Stomatology&National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengduSichuan 610041China Department of Biomaterials Sciences and Prosthodontics School of DentistryUniversity of MichiganAnn ArborMIUnited States

To the Editor:The jaw cyst is one of the most common benign tumors in the oral and maxillofacial region.[1]To date,several studies have reported on jaw cysts in general populations from Italy,Brazil,Greece,and the United States in accordance with the 4th World Health Organization(WHO)classication of head and neck tumors.[2]However,there are no clinicopathological studies of odontogenic and non-odontogenic cysts in a large Chinese population in relation to the latest WHO classi***,few epidemiological studies have analyzed treatment plans and the possible postoperative complications of jaw ***,this study aimed to perform a detailed and extended epidemiological analysis of jaw cysts in a large population in West China.

关键词： clinic treatment pathologic

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Three-dimensional virtual operations can facilitate complicated surgical planning for the treatment of patients with jaw deformities associated with facial asymmetry: a case report

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International Journal of oral Science 2013年第3期5卷 176-182页

作者： Shingo Hara Masaharu Mitsugi Takahiro Kanno Akihiko Nomachi Takehiko Wajima Yukihiro Tatemoto Hanarabi Orthodontic Dental clinic Department of oral and maxillofacial surgery Kochi Health Sciences Center Takamatsu oral and maxillofacial surgery clinic Department of oral and maxillofacial surgery Shimane University Faculty of Medicine

This article describes a case we experienced in which good postsurgical facial profiles were obtained for a patient with jaw deformities associated with facial asymmetry,by implementing surgical planning with SimPlant *** this method,we conducted LF1 osteotomy,intraoral vertical ramus osteotomy（IVRO）,sagittal split ramus osteotomy（SSRO）,mandibular constriction and mandibular border *** only did we obtain a class I occlusal relationship,but the complicated surgery also improved the asymmetry of the frontal view,as well as of the profile view,of the *** virtual operation using three-dimensional computed tomography（3D-CT）could be especially useful for the treatment of patients with jaw deformities associated with facial asymmetry.

关键词： facial asymmetry mnandibular constriction transverse discrepancy of the dental arch width virtual operation

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Characteristics of β-Lactamase Synthesis in E. coli and K. pneumanie Strains in Nosocomial Infections

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Advances in Microbiology 2024年第1期14卷 25-30页

作者： Saddraddin A. Atakishizadeh Sayyaddin A. Atakishizadeh Mahammad M. Davudov Department of Infectious Diseases Azerbaijan Medical University Baku Azerbaijan Department of Pharmaceutical Technology and Management Azerbaijan Medical University Baku Azerbaijan Department of oral and maxillofacial surgery Azerbaijan Medical University Baku Azerbaijan

Background: Recently micro-organisms that synthesize extended-spectrum β-lactamase (ESBLs) were increased. The peculiarities of ESBL synthesis of Escherichia coli and Klebsiella pneumoniae strains that cause nosocomial urinary tract infections, surgical site infections and pneumonia in surgical clinic were studied. ESBL synthesis were observed 38.9% of E. coli strains obtained from urine, 92.3% of strains obtained from surgical site infections, and 50% of strains obtained from sputum. ESBL synthesis were observed 37.5% of K. pneumoniae strains obtained from urine, 85.7% of strains obtained from surgical site infections, and 60% of strains obtained from sputum. Different levels of ESBL synthesize of E. coli and K. pneumoniae strains isolated from different pattern is discussed. Conclusion. ESBL synthesis is common in E. coli and K. pneumoniae strains, which cause nosocomial infections. The frequency of occurrence of ESBL s synthesis among of these strains depends on clinical forms of nosocomial infections.

关键词： Nosocomial Infectious Agents β-Lactamase Synthesis E. coli and K. pneumoniae

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Supportive angiogenic and osteogenic differentiation of mesenchymal stromal cells and endothelial cells in monolayer and co-cultures

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International Journal of oral Science 2016年第4期8卷 223-230页

作者： Florian Bohrnsen Henning Schliephake clinic of oral and maxillofacial surgery Georg August University Gottingen Germany

Sites of implantation with compromised biology may be unable to achieve the required level of angiogenic and osteogenic regeneration. The specific function and contribution of different cell types to the formation of prevascularized, osteogenic networks in co-culture remains unclear. To determine how bone marrow-derived mesenchymal stromal cells （BMSCs） and endothelial cells （ECs） contribute to cellular proangiogenic differentiation, we analysed the differentiation of BMSCs and ECs in standardized monolayer, Transwell and co-cultures. BMSCs were derived from the iliac bone marrow of five patients, characterized and differentiated in standardized monolayers, permeable Transwells and co-cultures with human umbilical vein ECs （HUVECs）. The expression levels of CD31, von Willebrand factor, osteonectin （ON） and Runx2 were assessed by quantitative reverse transcriptase polymerase chain reaction. The protein expression of alkaline phosphatase, ON and CD31 was demonstrated via histochemical and immunofluorescence analysis. The results showed that BMSCs and HUVECs were able to retain their lineage-specific osteogenic and angiogenic differentiation in direct and indirect co-cultures. In addition, BMSCs demonstrated a supportive expression of angiogenic function in co-culture, while HUVEC was able to improve the expression of osteogenic marker molecules in BMSCs.

关键词： angiogenic co-culture differentiation endothelial cell mesenchymal stromal cell osteogenic

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The clinic application of pedicle grafts to restore the defects of oral and maxillofacial after malignant tumor surgery

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中国口腔颌面外科杂志 2008年第B5期6卷 208-208页

作者： Xue Qiang Ding Dan Chen Yu Chen Zhi Bing Luo Wang Xiang Yan Department of oral & maxillofacial surgery First Affiliated Hospital Sun Yat-Sen University. Guangzhou 510080 Department of oral lmplantology Guanghua School of Stomatology Sun Yat-Sen University. Guangzhou 510055 China

Purpose: To discuss the adaptation index, curative effects, advantage and deficiency of pedicle grafts in restoring the defects of oral and maxillofacial after malignant tumor surgery。Methods: All 47 oral and maxillofacial malignant tumor cases which been reconstructed by pedicle grafts in our department from 1998-2007were retrospectively reviewed, including tumor stage and grade, defects area, the adaptation and effects of pedicle grafts。Results: All cases received good effects both in figure and function to reconstruct the defects。Conclusion: For better outcome, the adaptation index, accurate operation and delicate nursing care are the most important key points。Malignant tumor surgery with pedicle gratis restoring can ensure not only enough coverage of tissue resection but also well reconstruction for figuration and function。Beyond, comparing with vascularized myocutaneous flaps, pedicle grafts perform lesser trauma and lesser time-consuming。

关键词：恶性肿瘤割补术口腔修复方法上颌面

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Multivariate analysis of oral mucosal ulcers during orthodontic treatment

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World Journal of clinical Cases 2024年第26期12卷 5868-5876页

作者： Jing Chang Xue Li The Fifth clinic Peking University School and Hospital of StomatologyNational Center for StomatologyNational Clinical Research Center for Oral DiseasesNational Engineering Research Center of Oral Biomaterials and Digital Medical Devices Beijing 100081China

BACKGROUND Orthodontic treatment can easily cause local soft tissue reactions in the oral cavity of patients under mechanical stress,leading to oral mucosal ulcers and affecting their quality of *** present,only limited literature has explored the factors leading to oral ulcers in orthodontic treatment,and these research results are still *** To investigate the current status and related factors of oral mucosal ulcers during orthodontic treatment,aiming to provide a valuable reference for preventing this disease in clinical *** A total of 587 patients who underwent orthodontic treatment at the Peking University School of Stomatology and Hospital of Stomatology between 2020 and 2022 were selected and allocated to an observation or control group according to the incidence of oral mucosal ulcers during orthodontic therapy.A questionnaire survey was constructed to collect patient data,including basic information,lifestyle and eating habits,treatment details,mental factors,and trace element levels,and a comparative analysis of this data was performed between the two *** A logistic regression model with oral ulcers as the dependent variable was *** regression results showed that age(≥60 years:odds ratio[OR]:6.820;95%confidence interval[CI]:2.226–20.893),smoking history(smoking:OR:4.434;95%CI:2.527–7.782),toothbrush hardness(hard:OR:2.804;95%CI:1.746–4.505),dietary temperature(hot diet:OR:1.399;95%CI:1.220–1.722),treatment course(>1 year:OR:3.830;95%CI:2.203–6.659),and tooth brushing frequency(>1 time per day:OR:0.228;95%CI:0.138–0.377)were independent factors for oral mucosal ulcers(Poral ulcers,while the SAS(OR:1.284;95%CI:1.197–1.378)and SDS(OR:1.322;95%CI:1.231–1.419)scores were risk *** Age≥60 years,smoking history,hard toothbrush,hot diet,treatment course for>1 year,tooth brushing frequency of≤1 time per day,and m

关键词： Orthodontic treatment oral ulcers Multivariate Logistic regression Prevent disease

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Parental Knowledge of Pre-Hospital Management of Avulsed Permanent Tooth in Children at Kath

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Open Journal of Stomatology 2024年第2期14卷 87-102页

作者： Ama Agyeibea Amuasi Samuel K. Addo Solomon Obiri-Yeboah Department of Child oral Health & Orthodontics School of Medicine and Dentistry College of Health Sciences Kwame Nkrumah University of Science and Technology Kumasi Ghana Department of oral & maxillofacial Sciences School of Medicine and Dentistry College of Health Sciences Kwame Nkrumah University of Science and Technology Kumasi Ghana

BACKGROUND: Permanent tooth avulsion is one of the severe forms of dental traumatic injuries. The immediate action taken at the site of the accident is crucial to the prognosis of the tooth. Replantation is considered as the treatment of choice. OBJECTIVE: The study was undertaken to assess the knowledge of parents who accompany their children to the pediatric dental clinic, KATH on the pre-hospital management of avulsed permanent tooth in children. METHODS: A researcher administered structured questionnaire was used to collect data on the knowledge of pre-hospital management of avulsed permanent tooth from 83 parents who accompanied their wards to the pediatric dental clinic at KATH. RESULTS: A total of 83 parents were involved in the study. 30 (36%) were males while 53 (64%) were females. The majority of the parents (57%) were either university trained or had attended college of education. Only 32 parents (39%) were aware of the possibility of replantation. Majority of the parents chose non-physiologic media as the transport media of choice and only 10% would attempt self-replantation before seeking professional help. 76 parents (92%) had no previous education on pre-hospital management of avulsed tooth. CONCLUSION: The results obtained from this study indicate that parental knowledge on pre-hospital management of avulsed permanent tooth is low hence the need for massive public educational campaigns.

关键词： Parental Knowledge Tooth Avulsion Pre-Hospital Management Permanent Tooth

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Prevalence of Dental Anomalies among Patients Who Report to the Komfo Anokye Teaching Hospital’s Orthodontic clinic

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Open Journal of Stomatology 2024年第2期14卷 103-117页

作者： Ama Agyeibea Amuasi Daniel K. Sabbah Alexander Oti-Achempong Rahman N. Mamah The Department Child oral Health & Orthodontics School of Medicine and Dentistry College of Health Sciences Kwame Nkrumah University of Science and Technology Kumasi Ghana The Department of oral & maxillofacial Sciences School of Medicine and Dentistry College of Health Sciences Kwame Nkrumah University of Science and Technology Kumasi Ghana

BACKGROUND: Dental anomalies are variations from the established well-known general anatomy and morphology of the tooth as a result of disturbances during tooth formation. They can be developmental, congenital, or acquired and may be localized to a single tooth or involve systemic conditions. AIM: To evaluate the prevalence of dental anomalies in patients who report to the Komfo Anokye Teaching Hospital (KATH) dental clinics. METHOD: A descriptive cross-sectional design was used with a sample size of 92 patients aged 18 or older, obtained through convenience sampling. Data analysis was performed using SPSS version 26.0. RESULTS: The study included 92 patients aged 18 to 72 years, with 47.8% males and 52.2% females. Dental anomalies were observed in 51.1% of participants, with a higher prevalence in females (55.3%). The most common anomalies were diastema (48.3%), impacted teeth (22.0%), dilaceration (11.9%), and peg-shaped lateral teeth (6.8%). CONCLUSION: This study highlights the importance of conducting thorough dental examinations to identify and address dental anomalies, which may have implications for treatment. Early detection and correction of these anomalies are crucial to prevent future complications.

关键词： Dental Anomalies Prevalence Impacted Teeth Dilaceration

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