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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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Flapless Piezotome-Enhanced Vertical Alveolar Crest-Split and Horizontal Distraction of Alveolar Crests (FPeCSWT) of Less than 2 mm Width: Results of a Prospective Comparative 3-Year clinical Multicenter-Study with 239 Patients, 261 Crest-Split Sites and 488 Inserted Dental Implants

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Open Journal of Stomatology 2015年第7期5卷 159-178页

作者： Angelo Troedhan Andreas Kurrek Marcel Wainwright Izabela Schlichting Center for Facial Aesthetics Vienna Vienna Austria implantology clinic Oberkassel Dusseldorf Germany implantology clinic kaiserswerth Dusseldorf Germany

Alveolar crest-splitting and horizontal distraction is an established surgical technique to enable implant insertion into the narrow, lateral atrophic alveolar crest. This surgical technique is challenging for the oral surgeon and restricted to crest-widths of 3 - 5 mm: significant procedural bone loss at osteotomy, the need to prepare a full thickness mucoperiostal flap and milling a baseline-osteotomy to weaken the bone for distraction inhere significant risks of accidental fractures. Aim of the study was to investigate if the recently developed novel Flapless Piezotome enhanced Crest-Splitting and Widening Technique (FPeCSWT) could safely narrow down the indication for this procedure to narrow alveolar crests of widths of even less than 2 mm in a three-year survey-period. 239 patients underwent 261 FPeCSWT-surgeries and 488 implants were inserted simultaneously in the upper and the lower jaw and clinical parameters such as intrasurgical complications, patient morbidity, implant loss and vertical bone loss (VBL) in the first three years after surgeries were recorded comparing sites with less than 2 mm width with sites of more than 2 mm. After three years a significant difference (p = 0.24) of VBL could be observed between the group with less than 2 mm crest-width (mean: 0.97 mm, max: 2.0 mm/min: 0.0 mm;SD: 0.41) compared with the group with more than 2 mm crest-width (mean: 0.69 mm, max: 1.5 mm/min: 0.0 mm;SD: 0.36) but was still significant lower when compared with the results of similar studies published with a mucoperiostal-flap approach and baseline bone-cut. The cumulative 3-year-implant-survival-rate was 98.8%, no accidental fracture of the distracted buccal bone-plate occurred. The re-sults of the study suggest that the FPeCSWT narrows safely down the indication for crest-splitting to also crest-widths of only 1 mm. The procedure is highly predictable and significantly reduces the challenge of surgical skills and leads to negligible patient-morbidity. The h

关键词： Dental implantology Bone-Management Guided Bone Regeneration Piezosurgery Ultrasonic Surgery Crest-Split Ridge-Split Distraction Osteogenesis Biomaterials Dental Implants

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The transcrestal hydrodynamic ultrasonic cavitational sinuslift: Results of a 2-year prospective multicentre study on 404 patients, 446 sinuslift sites and 637 inserted implants

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Open Journal of Stomatology 2013年第9期3卷 471-485页

作者： Angelo Troedhan Andreas Kurrek Marcel Wainwright Izabela Schlichting Bianca Fischak-Treitl Martin Ladentrog Center for Facial Aesthetics Vienna Vienna Austria implantology clinic kaiserswerth Dusseldorf Germany implantology clinic Oberkassel Dusseldorf Germany Office for General Dentistry and implantology Graz Austria Office for General Dentistry and implantology Mattersburg Austria

Introduction: In 2006 an ultrasound-surgery-based method to hydrodynamically detach the sinus-membrane utilizing the ultrasonic cavitation effect—the tHUCSL—was developed and a surgical protocol established. The aim of the study was to determine the indication-range and success-rate of this novelty procedure. Materials & Methods: Between 2007 and 2009, 404 patients were treated by 6 oral surgeons of different experience-levels with the tHUCSL in 446 sinussites. 637 implants were inserted and then prosthodontically treated and observed and documented until December 2011. The subantral space was augmented via the 3 mm transcrestal approach with an augmentation volume of 1.9 ccm (+/? 0.988 ccm) and an augmentation height of 10.7 mm (+/? 2.85 mm). Results: Within the survey-period 15 (2.35%) of the 637 inserted implants were lost, mostly before implant loading due to postsurgical infection and nonosseointegration in the augmentation site. 1 implant was lost after implant loading and prosthetic treatment within 1 year after loading. The overall success rate with functional implants in site is 97.65% evenly distributed among the participating surgeons. 86% of the patients were observed with no postsurgical swelling and 87% no postsurgical pain. Discussion: The results suggest the tHUCSL to be a safe minimal-invasive alternative to traditional lateral approach and transcrestal osteotome sinuslift-procedures applicable to all anatomical situations.

关键词： Transcrestal Hydrodynamic Sinuslift Bone Augmentation Implants Ultrasound Surgery Maxillary Sinus

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Dynamic navigation system-guided trans-inferior alveolar nerve implant placement in the atrophic posterior mandible: A case report

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World Journal of clinical Cases 2022年第12期10卷 3907-3915页

作者： Liang-Wen Chen Xiao-E Zhao Qi Yan Hai-Bin Xia Quan Sun Department of Oral implantology School and Hospital of StomatologyWuhan UniversityWuhan 430079Hubei ProvinceChina Department of Special Care clinic Lanzhou Stomatological HospitalLanzhou 730000Gansu ProvinceChina

BACKGROUND In atrophic posterior mandibular areas,where the bone height superior to the inferior alveolar nerve(IAN)is less than 6 mm,short implants are not *** alternatives such as IAN transposition and various alveolar bone augmentation approaches are technically demanding and prone to *** SUMMARY Computer-guided dynamic navigation implantation improves the accuracy,predictability,and safety of implant *** case report presents a dynamic navigation system-guided trans-IAN implant placement technique,which can successfully treat a posterior mandibular dentition defect when the bone height is only 4.5 *** implant was inserted into the buccal side of the IAN and was 1.7 mm away from the *** implantation deviations were controlled within a satisfying range,and the long-term restoration outcome was *** Dynamic navigation system-guided trans-IAN implant placement might be a recommended technique for patients with extremely insufficient residual bone height and sufficient bone width in the posterior mandibular area.

关键词： Dental implant Dynamic navigation system Insufficient bone height Inferior alveolar nerve Posterior mandible Case report

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Papillae alterations around single-implant restorations in the anterior maxillae:thick versus thin mucosa

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International Journal of Oral Science 2012年第2期4卷 94-100页

作者： Mi-Si Si Long—Fei Zhuang Xin Huang Ying-Xin GU Chung-Hao Chou Hong-Chang Lai ~Department of Oral and Maxillofacial implantology Shanghai Ninth People's Hospital Affiliated Shanghai Jiao Tong University School of Medicine Shanghai China Faculty of Dentistry the University of Hong kong Chian Jing'an Dental clinic ShanghaiChina

To evaluate the papilla alterations around single-implant restorations in the anterior maxillae after crown attachment and to study the influence of soft tissue thickness on the papilla fill alteration. According to the inclusion criteria, 32 patients subjected to implant-supported single-tooth restorations in anterior maxillae were included. The patients were assigned to two groups according to the mucosal thickness：（i） group 1, 1.5 mm≤mucosal thickness≤3 mm; and （ii） group 2, 3 mm〈mucosal thickness≤4.5 mm. Assessments of interproximal papillae at the time of crown placement （baseline） and at 6-month postloading （follow-up） were made by two prosthodontists using papilla fill index （PFI）. The mean mucosal thickness was （2.49±0.31） mm （group 1） and （3.81±0.31） mm （group 2） for the two groups respectively. A significant difference in PFI between the groups was detected at the baseline （P〈O.O01）. PFI improvements over time occurred after 6-month follow-up irrespective of the groups. When compared to group 1, the likelihood to obtain papilla fill was significantly higher for group 2 with an odds ratio of 6.05 （P〈O.O01）. The interproximal papilla level around single-implant restorations could improve significantly over time after 6-month restoration according to PFI assessment. The thicker mucosa before implant placement implied a more favorable esthetic outcome in papilla alteration.

关键词： esthetic outcome papilla fill index single-implant restoration soft tissue thickness

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Aesthetic gingival management: Preservation of the anatomical structures and the gingival aesthetics by immediate implant-insertion after loss of anterior teeth and premolars—Results of a 5-year prospective study with 348 inserted one-phase implants

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Open Journal of Stomatology 2013年第2期3卷 146-154页

作者： Angelo Troedhan Izabela Schlichting Andreas Kurrek Center for Facial Esthetics Vienna Vienna Austria implantology clinic Ratingen Ratingen Germany

Implant insertion is an alternative to classical treatment with bridges after tooth extraction or traumatic tooth loss in the anterior and premolar region of the upper and lower jaw. Nevertheless both types of prosthetic treatment inhere major gingival aesthetic pitfalls by physiological vertical and horizontal resorption. Aim of the study was to investigate if the immediate insertion of root analogue single-stage implants and prosthetic treatment could prevent gingival recessions and bone resorption thus keeping the natural gingival aesthetics untouched. Between 2003 and 2006, 348 root analogue Q1-Implants (TRINON Karlsruhe GmbH/Germany) were inserted in 342 patients’s premolar and molar regions immediately after tooth extraction or traumatic tooth loss and treated with provisional resin crowns. The observation period with recurring 6-month clinical and radiographic check-ups was a minimum of 5 years. Of 348 inserted implants 4 (1.15%) were lost resulting in an overall success rate of 98.85%. In the first 12 weeks after surgery a mean recession of the buccal gingival margin of 0.2 mm (SD 0.34) could be detected, after final prosthetic treatment an overall mean recession of 0.2 mm (SD 0.13) within the survey period. Immediate implant insertion of root analogue single stage implants and immediate prosthetic treatment with provisional resin crowns after minimal invasive tooth extraction seems to be appropriate to prevent bone resorptions of the buccal alveolar crest and the recessions of the gingiva and papillae and thus suggests to be the preferable treatment to keep the natural gingival and papillary aesthetics untouched preventing further traumatic surgical gingival reconstructions.

关键词： Oral implantology Single Phase Implants Immediate Implant Insertion Gingival Aesthetics

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Improved guided bone regeneration by combined application of unmodified, fresh autologous adipose derived regenerative cells and plasma rich in growth factors:A first-in-human case report and literature review

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World Journal of Stem Cells 2019年第2期11卷 124-146页

作者： ?nder Solakoglu Werner G?tz Maren C Kiessling Christopher Alt Christoph Schmitz Eckhard U Alt Dental Department of the University Medical Center Hamburg-Eppendorf clinic for Periodontology and implantology Department of Orthodontics Center of Dento-Maxillo-Facial MedicineUniversity of Bonn Institute of Anatomy Faculty of MedicineLMU Munich InGeneron GmbH InGeneron Inc. Isar Klinikum Munich

BACKGROUND Novel strategies are needed for improving guided bone regeneration(GBR) in oral surgery prior to implant placement, particularly in maxillary sinus augmentation(GBR-MSA) and in lateral alveolar ridge augmentation(LRA). This study tested the hypothesis that the combination of freshly isolated, unmodified autologous adipose-derived regenerative cells(UA-ADRCs), fraction 2 of plasma rich in growth factors(PRGF-2) and an osteoinductive scaffold(OIS)(UAADRC/PRGF-2/OIS) is superior to the combination of PRGF-2 and the same OIS alone(PRGF-2/OIS) in GBR-MSA/*** SUMMARY A 79-year-old patient was treated with a bilateral external sinus lift procedure as well as a bilateral lateral alveolar ridge augmentation. GBR-MSA/LRA was performed with UA-ADRC/PRGF-2/OIS on the right side, and with PRGF-2/OIS on the left side. Biopsies were collected at 6 wk and 34 wk after GBRMSA/LRA. At the latter time point implants were placed. Radiographs(32 mo follow-up time) demonstrated excellent bone healing. No radiological or histological signs of inflammation were observed. Detailed histologic,histomorphometric, and immunohistochemical analysis of the biopsies evidenced that UA-ADRC/PRGF-2/OIS resulted in better and faster bone regeneration than PRGF-2/*** GBR-MSA with UA-ADRCs, PRGF-2, and an OIS shows effectiveness without adverse effects.

关键词： Case report Cell-based therapy Guided bone regeneration Maxillary sinus augmentation Lateral alveolar ridge augmentation Unmodified autologous adipose-derived regenerative cells Stem cells

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LncRNA Nron regulates osteoclastogenesis during orthodontic bone resorption

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International Journal of Oral Science 2020年第2期12卷 142-151页

作者： Ruilin Zhang Junhui Li Gongchen Li Fujun Jin Zuolin Wang Rui Yue Yibin Wang Xiaogang Wang Yao Sun Department of implantology School&Hospital of StomatologyTongji UniversityShanghai Engineering Research Center of Tooth Restoration and RegenerationShanghaiChina School of Biological Science and Medical Engineering Beihang UniversityBeijingChina and 3School of Life Sciences and TechnologyTongji UniversityShanghaiChina

Activation of osteoclasts during orthodontic tooth treatment is a prerequisite for alveolar bone resorption and tooth ***,the key regulatory molecules involved in osteoclastogenesis during this process remain *** noncoding RNAs(lnc RNAs)are a newly identified class of functional RNAs that regulate cellular processes,such as gene expression and translation ***,lnc RNAs have been reported to be involved in osteogenesis and bone ***,as the most abundant noncoding RNAs in vivo,the potential regulatory role of lnc RNAs in osteoclast formation and bone resorption urgently needs to be *** recently found that the lnc RNA Nron(long noncoding RNA repressor of the nuclear factor of activated T cells)is highly expressed in osteoclast *** is downregulated during osteoclastogenesis and bone *** further determine whether Nron regulates osteoclast activity during orthodontic treatment,osteoclastic Nron transgenic(Nron c TG)and osteoclastic knockout(Nron CKO)mouse models were *** Nron was overexpressed,the orthodontic tooth movement rate was *** addition,the number of osteoclasts decreased,and the activity of osteoclasts was ***,Nron controlled the maturation of osteoclasts by regulating NFATc1 nuclear *** contrast,by deleting Nron specifically in osteoclasts,tooth movement speed increased in Nron CKO *** results indicate that lnc RNAs could be potential targets to regulate osteoclastogenesis and orthodontic tooth movement speed in the clinic in the future.

关键词： osteoclast inhibited treatment

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62名中国汉族青年笑线水平的测量研究

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中华口腔医学杂志 2011年第11期46卷 660-664页

作者：胡秀莲 Susanne Heberer Katja Nelson 林野北京大学口腔医学院·口腔医院口腔种植中心 100081 implantology and Special Prosthodontics Clinic and Policlinic for Oral ＆ Maxillofacial Surgery Charit6 Campus Virchow Clinic Germany Berlin Albert-Ludwigs Universitat Freiburg Deptment of Oral and Maxillofacial Surgery Hugstetter Str. 55 79106 Freiburg

目的评估中国汉族健康人群上颌美学区域牙齿及软组织等解剖形态对容貌美观和义齿修复美学的影响，为临床牙科美学修复提供客观依据。方法对平均年龄为28．5岁的62名旅德中国汉族青年志愿者进行面部拍照记录。依据标准的试验条件对所有... 详细信息

目的评估中国汉族健康人群上颌美学区域牙齿及软组织等解剖形态对容貌美观和义齿修复美学的影响，为临床牙科美学修复提供客观依据。方法对平均年龄为28．5岁的62名旅德中国汉族青年志愿者进行面部拍照记录。依据标准的试验条件对所有志愿者大笑时上颌牙齿及其牙龈和牙龈乳头进行测量分析。统计分析采用Mann—Whitney-U检验和双因子重复测量分析。结果所有志愿者在上唇大笑运动时81％的上颌中切牙至上颌前磨牙的牙龈形态均有不同程度显露。上颌中切牙平均显露高度为10mm，性别问差异无统计学意义（P〉0．05）。所有志愿者平均牙龈显露高度为1．3mm，平均显露牙龈乳头高度为3．4mm，男女间差异无统计学意义（P〉0．05）。31％（19／62）的志愿者为高笑线类型，50％（31／62）的志愿者为中度笑线类型，19％（12／62）的志愿者为低笑线类型。结论中国汉族青年人群高笑线者比例高于西方研究人群比例，其中100％汉族青年志愿者在大笑时前牙区的牙龈乳头显露。

关键词：微笑美学牙科义齿

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Evaluation of the Size and Location of the Genial Plexus,Related to Age,Sex and Dental Presence,in Implant Surgeries

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Journal of Biomedical Science and Engineering 2017年第10期10卷 456-465页

作者： Joao Henrique Scotti Alerico Neuza Maria Souza Picorelli Assis Carlos Eduardo Francischone Karina Lopes Devito Francisco Antoninho Alerico Bruno Salles Sotto-Maior Department of implantology Sao Leopoldo Mandic Dental Research CenterSao LeopoldoBrazil Department of Dental clinic Federal University of Juiz de ForaJuiz de ForaBrazil Department of Diagnosis Paranaense UniversityFrancisco BeltraoBrazil Department of Restorative Dentistry Federal University of Juiz de ForaJuiz de ForaBrazil

Generally being considered as a safe area for surgical approaches, the region between the mental foramina presents important anatomical structures. The objective of this study was to measure the dimensions of the genial plexus and its three-dimensional location in CBCT images, correlating the characteristics of this structure with dental presence, sex and age of patients. A total of 149 cone beam computer tomography (CBCT) scans of dentate (n = 74) and edentulous patients (n = 75) were selected, 59 male and 90 female, aged 18 - 86 years. Measurements of width and length of the genial canal were performed, and the shortest distances of the genial plexus were determined in relation to the alveolar bone crest, the buccal cortical bone and the base of the mandible. The results indicated significant differences between the dentate and edentulous groups for the mandibular canal length (p = 0.030), distance from alveolar crest (p < 0.001), and distance from buccal cortical bone (p < 0.001), with significantly higher values in dentate patients. As for gender, the distances between the genial plexus and the alveolar bone crest (p < 0.001) and the buccal cortical bone (p = 0.028) were significantly shorter for females. Regarding age, only the distance between the genial plexus and the alveolar crest showed a significant difference (p < 0.001), and the smallest values were measured in the older patients. It can be concluded that there are variations of the genial plexus in relation to gender, age and between edentulous and dentate patients. Therefore, the anterior region of the mandible, especially the midline should be observed with caution when undergoing surgical procedures, such as removal of bone grafts and installation of dental implants.

关键词： Genial Canal Cone-Beam Computed Tomography Dental Implants Measurement Paresthesia

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