Implant DentistryPub Date : 2019-08-01DOI: 10.1097/ID.0000000000000893
Danilo Alessio Di Stefano, Paolo Arosio, Stefano Pagnutti, Raffaele Vinci, Enrico Felice Gherlone
{"title":"Distribution of Trabecular Bone Density in the Maxilla and Mandible.","authors":"Danilo Alessio Di Stefano, Paolo Arosio, Stefano Pagnutti, Raffaele Vinci, Enrico Felice Gherlone","doi":"10.1097/ID.0000000000000893","DOIUrl":"https://doi.org/10.1097/ID.0000000000000893","url":null,"abstract":"<p><strong>Introduction: </strong>Implant osseointegration is strongly influenced by the bone quality at the implant insertion site. The present work aims to create distribution diagrams showing the average bone density at each position within the jaws.</p><p><strong>Materials and methods: </strong>Data were retrospectively collected from 4 oral surgeons who sought bone-density measurements during implant placement using a torque-measuring implant micromotor. Statistical analyses were performed to investigate whether bone density correlated with the patients' sex and age and whether the bone-density values at different positions within each arch correlated to each other.</p><p><strong>Results: </strong>Records of 2408 patients and 6060 bone-density readings were retrieved, and density distribution diagrams were created. Density values showed a significant variation within subjects. Within the same jaw, density between adjacent positions showed significant differences. Density at a given position correlated significantly with that at the other positions in most cases. Bone density was significantly lower in women than in men; no significant correlation was found between bone density and the patient age.</p><p><strong>Conclusions: </strong>Bone density of patients displays significant interindividual variation, thus meaningful assessment must be conducted on a patient-by-patient basis.</p>","PeriodicalId":13309,"journal":{"name":"Implant Dentistry","volume":"28 4","pages":"340-348"},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1097/ID.0000000000000893","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37203343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Implant DentistryPub Date : 2019-08-01DOI: 10.1097/ID.0000000000000902
Yueh Ju Hsiao, Jie Yang, Randolph R Resnik, Jon B Suzuki
{"title":"Prevalence of Maxillary Sinus Pathology Based on Cone-Beam Computed Tomography Evaluation of Multiethnicity Dental School Population.","authors":"Yueh Ju Hsiao, Jie Yang, Randolph R Resnik, Jon B Suzuki","doi":"10.1097/ID.0000000000000902","DOIUrl":"https://doi.org/10.1097/ID.0000000000000902","url":null,"abstract":"<p><strong>Objective: </strong>The goal of the study was to evaluate prevalence of maxillary sinus pathology among populations considered for possible sinus augmentation procedures for dental implants.</p><p><strong>Study design: </strong>Eight hundred twenty-one cone-beam computed tomography (CBCT) scans were retrospectively evaluated for prevalence of maxillary sinus pathology. Scans were classified based on the type of sinus pathology detected. Categories of sinus findings were healthy, mucosal thickening larger than 3 mm, polypoidal mucosal thickening, partial opacification, complete opacification, and others. Age, sex, ethnicity, and dentition status were evaluated to determine associated relationships with the incidence of pathology.</p><p><strong>Results: </strong>Sixty-two percent (62.79%) of scans presented with bilateral healthy sinuses and 37.21% of scans exhibited pathology. 73.38% of sinuses were classified as clinical healthy, 14.93% presented with mucosal thickening, 8.53% with polypoidal mucosal thickening, 2.13% with partial opacification, 0.66% with complete opacification, and 0.37% with a foreign body. Sex is found to be a significant factor with higher pathology incidence rates in male patients. Age is a significant factor with higher pathology incidence rates in older subjects. Dentition status and ethnicity did not have a significant association with pathology incidence rates.</p><p><strong>Conclusions: </strong>The prevalence of maxillary sinus pathologies and associations with age, sex, ethnicity, and dentition status were obtained. Thirty-seven percent of scans would require further medical consultation before proceeding with maxillary sinus augmentation surgery for dental implants.</p>","PeriodicalId":13309,"journal":{"name":"Implant Dentistry","volume":"28 4","pages":"356-366"},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1097/ID.0000000000000902","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37283468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Implant DentistryPub Date : 2019-08-01DOI: 10.1097/ID.0000000000000907
Tae-Hui Lee, Mi-Ae Jeong, Tae-Hyung Kim
{"title":"Feasibility of Assessing Maxillary and Mandibular Bone Mineral Density for Dental Implantation by Using Multidetector Computed Tomography.","authors":"Tae-Hui Lee, Mi-Ae Jeong, Tae-Hyung Kim","doi":"10.1097/ID.0000000000000907","DOIUrl":"https://doi.org/10.1097/ID.0000000000000907","url":null,"abstract":"<p><strong>Purpose: </strong>The purpose of this study was to evaluate the feasibility of measuring bone mineral density (BMD) of the maxillary and mandibular bones for dental implantation by using multidetector computed tomography (MDCT).</p><p><strong>Materials and methods: </strong>We performed MDCT in 141 patients (78 women and 63 men) at the lumbar vertebrae and at the maxillary and mandibular bones, with a view to dental implantation, from July 2015 to June 2017. Quantitative CT (QCT) using MDCT was performed to obtain Hounsfield unit (HU) values for the maxillary and mandibular bones and to obtain T scores for the lumbar vertebrae. We statistically analyzed the relationships among HU values, and the correlations of QCT values with T scores and of T scores with HU values.</p><p><strong>Results: </strong>There were statistically significant correlations among all these parameters.</p><p><strong>Conclusions: </strong>QCT using MDCT of the maxillary and mandibular bones seems to be a feasible method for measuring BMD before dental implantation.</p>","PeriodicalId":13309,"journal":{"name":"Implant Dentistry","volume":"28 4","pages":"367-371"},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1097/ID.0000000000000907","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37283469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Implant DentistryPub Date : 2019-08-01DOI: 10.1097/ID.0000000000000886
Paula Gabriela Faciola Pessôa de Oliveira, Edmara Tatiely Pedroso Bergamo, Dimorvan Bordin, Leticia Arbex, Danielle Konrad, Luiz Fernando Gil, Rodrigo Neiva, Nick Tovar, Lukasz Witek, Paulo Guilherme Coelho
{"title":"Ridge Architecture Preservation Following Minimally Traumatic Exodontia Techniques and Guided Tissue Regeneration.","authors":"Paula Gabriela Faciola Pessôa de Oliveira, Edmara Tatiely Pedroso Bergamo, Dimorvan Bordin, Leticia Arbex, Danielle Konrad, Luiz Fernando Gil, Rodrigo Neiva, Nick Tovar, Lukasz Witek, Paulo Guilherme Coelho","doi":"10.1097/ID.0000000000000886","DOIUrl":"https://doi.org/10.1097/ID.0000000000000886","url":null,"abstract":"OBJECTIVE\u0000To compare hard-tissue healing after 3 exodontia approaches.\u0000\u0000\u0000MATERIALS AND METHODS\u0000Premolars of dogs were extracted: (1) flapless, (2) flap, and (3) flap + socket coverage with polytetrafluoroethylene (dPTFE) nonresorbable membrane (flap + dPTFE). Animals were euthanized at 1 and 4 weeks. Amount of bone formation within socket and socket total area were measured.\u0000\u0000\u0000RESULTS\u0000Amount of bone formation revealed significant difference between 1 and 4 weeks; however, there was no differences among groups. Socket total area decreased after 4 weeks, and the flap + dPTFE group showed significantly higher socket total area. As a function of time and group, flap + dPTFE 4 weeks presented similar socket total area values relative to flap + dPTFE at 1 week, and significantly higher socket total area than flapless and flap. The histological sections revealed almost no bone formation within socket after 1 week, which increased for all groups at 4 weeks.\u0000\u0000\u0000CONCLUSION\u0000Socket coverage with polytetrafluoroethylene (dPTFE) membrane showed to effectively preserve bone architecture. Bone formation within sockets was not influenced by tooth extraction technique.","PeriodicalId":13309,"journal":{"name":"Implant Dentistry","volume":"28 4","pages":"319-328"},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1097/ID.0000000000000886","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37172737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Implant DentistryPub Date : 2019-08-01DOI: 10.1097/ID.0000000000000926
Kenneth W M Judy
{"title":"Device Legislation...... Now Tread Cautiously.","authors":"Kenneth W M Judy","doi":"10.1097/ID.0000000000000926","DOIUrl":"https://doi.org/10.1097/ID.0000000000000926","url":null,"abstract":"","PeriodicalId":13309,"journal":{"name":"Implant Dentistry","volume":"28 4","pages":"317"},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1097/ID.0000000000000926","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37340321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Implant DentistryPub Date : 2019-08-01DOI: 10.1097/ID.0000000000000908
H. Marei, Alaa Alshaia, Sundus Alarifi, N. Almasoud, A. Abdelhady
{"title":"Effect of Steam Heat Sterilization on the Accuracy of 3D Printed Surgical Guides.","authors":"H. Marei, Alaa Alshaia, Sundus Alarifi, N. Almasoud, A. Abdelhady","doi":"10.1097/ID.0000000000000908","DOIUrl":"https://doi.org/10.1097/ID.0000000000000908","url":null,"abstract":"INTRODUCTION\u0000Steam heat sterilization could be one of the factors that affects the dimensional accuracy of surgical guides, leading to an error during guided implant surgery.\u0000\u0000\u0000OBJECTIVE\u0000The purpose of this study was to investigate the effect of steam heat sterilization on the dimensional changes of surgical guides.\u0000\u0000\u0000MATERIALS AND METHODS\u0000A total of 27 surgical guides, which were made by either Formlabs printer (Formlabs Inc., Somerville, MA) or Simplant (DENTSPLY Implants NV, Hasselt, Belgium), were scanned using an intraoral scanner before and after sterilization. The dimensional changes at the center of the implant sleeves were analyzed using the computer-aided design interactive software for 65 implant sites before and after steam heat sterilization at 121°C for 20 minutes.\u0000\u0000\u0000RESULTS\u0000There was no significant difference between the mean x, y, and z axes of the center of the sleeves when measured before and after sterilization (P values were 0.37, 0.24, and 0.29, respectively). Nonparametric analysis showed no significant difference between the mean deviations of either surgical guide (P = 0.908).\u0000\u0000\u0000CONCLUSION\u0000Steam heat sterilization has a nonsignificant effect on the dimensional changes of the tested surgical guides.","PeriodicalId":13309,"journal":{"name":"Implant Dentistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1097/ID.0000000000000908","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44601206","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Implant DentistryPub Date : 2019-08-01DOI: 10.1097/ID.0000000000000914
Rafael Amorim Cavalcanti de Siqueira, Bruno Leonardo Cabral, Glaudemir Reinaldo de Siqueira, Gustavo Mendonça, Hom-Lay Wang
{"title":"Using Digital Technique to Obtain the Ideal Soft Tissue Contour in Immediate Implants With Provisionalization.","authors":"Rafael Amorim Cavalcanti de Siqueira, Bruno Leonardo Cabral, Glaudemir Reinaldo de Siqueira, Gustavo Mendonça, Hom-Lay Wang","doi":"10.1097/ID.0000000000000914","DOIUrl":"https://doi.org/10.1097/ID.0000000000000914","url":null,"abstract":"<p><p>This paper presents a newly developed digital technique to make a provisional crown that mimics the natural tooth during immediate implant placement. Basically, a digital technique results in a precise transfer tooth emergence profile for provisional restoration in immediate implant placement so that an ideal periimplant soft tissue contour can be maintained. The architecture of extraction socket is obtained digitally before the surgery that allows for implant planning by position of the implant as well as the emergence profile of provisional restoration. The introduction of this approach provides a versatile, precise, and predictable procedure leading to better esthetic outcomes.</p>","PeriodicalId":13309,"journal":{"name":"Implant Dentistry","volume":"28 4","pages":"411-416"},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1097/ID.0000000000000914","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37299352","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Implant DentistryPub Date : 2019-08-01DOI: 10.1097/ID.0000000000000909
A. Cucchi, A. Chierico, F. Fontana, F. Mazzocco, C. Cinquegrana, F. Belleggia, Paolo Rossetti, C. Soardi, M. Todisco, Roberto Luongo, L. Signorini, M. Ronda, R. Pistilli
{"title":"Statements and Recommendations for Guided Bone Regeneration: Consensus Report of the Guided Bone Regeneration Symposium Held in Bologna, October 15 to 16, 2016.","authors":"A. Cucchi, A. Chierico, F. Fontana, F. Mazzocco, C. Cinquegrana, F. Belleggia, Paolo Rossetti, C. Soardi, M. Todisco, Roberto Luongo, L. Signorini, M. Ronda, R. Pistilli","doi":"10.1097/ID.0000000000000909","DOIUrl":"https://doi.org/10.1097/ID.0000000000000909","url":null,"abstract":"INTRODUCTION\u0000In the past 10 years, long-term studies have demonstrated that guided bone regeneration (GBR) is a successful and reliable technique for vertical and horizontal ridge augmentation, but strict and rigorous protocols must be adopted.\u0000\u0000\u0000MATERIAL AND METHODS\u0000Because no reports have yet been published with statements and clinical recommendations for GBR, a closed meeting of all authors was organized to discuss this matter during a GBR symposium held in Bologna (Italy) in October 2016. The authors focused on the findings of systematic and narrative reviews, prepared before the meeting, covering aspects of the clinical management of GBR techniques. Successively, a discussion based on the scientific evidence and on the experts' opinions led to the formulation of statements, clinical recommendations, and implications for future research.\u0000\u0000\u0000RESULTS\u0000To avoid complications and to optimize outcomes, the following factors should be considered by clinicians: patient selection; analysis of defect type; blood supply; antibiotic treatment; flap passivation; delayed implant placement; combination of autogenous bone and xenograft or allograft; rigorous fixation of membranes; removal after 6 to 9 months; analysis of complications; soft-tissue management; and high care in scarred sites and in esthetic areas.\u0000\u0000\u0000CONCLUSIONS\u0000The present consensus report reviewed the scientific evidence and provided specific guidelines and recommendations for clinical practice and the different approaches to GBR techniques to ensure surgical success and predictable outcomes.","PeriodicalId":13309,"journal":{"name":"Implant Dentistry","volume":"182 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1097/ID.0000000000000909","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41287322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Implant DentistryPub Date : 2019-08-01DOI: 10.1097/ID.0000000000000900
Mingbao Gou, Helin Chen, Min Fu, Hang Wang
{"title":"Fracture of Zirconia Abutments in Implant Treatments: A Systematic Review.","authors":"Mingbao Gou, Helin Chen, Min Fu, Hang Wang","doi":"10.1097/ID.0000000000000900","DOIUrl":"https://doi.org/10.1097/ID.0000000000000900","url":null,"abstract":"PURPOSE\u0000The purpose of this systematic review was to identify and summarize clinical studies related to the fracture of zirconia abutments in implant treatments.\u0000\u0000\u0000MATERIAL AND METHODS\u0000Medline, Embase, and Cochrane library searches were performed and complemented by manual searches from database inception to February 11, 2018, for title and abstract analysis.\u0000\u0000\u0000RESULTS\u0000Initially, 645 articles were obtained through database searches. Fifty-three articles were selected for full-text analysis, and 15 studies met the inclusion criteria. The selected studies were analyzed regarding fracture rate, abutment-implant connection, time point of fracture, location of critical crack, causes, managements, and preventive measures with respect to zirconia abutment fracture.\u0000\u0000\u0000CONCLUSIONS\u0000Lower fracture rates were reported for internal connection with metal component (2-piece) zirconia abutments compared with external and internal full-zirconia connection (one-piece) zirconia abutments. Overpreparation and overload should be avoided in case of zirconia abutments.","PeriodicalId":13309,"journal":{"name":"Implant Dentistry","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1097/ID.0000000000000900","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48293857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}