eJournal of Oral Maxillofacial Research最新文献

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Alveolar Ridge Preservation after Tooth Extraction Using Different Bone Graft Materials and Autologous Platelet Concentrates: a Systematic Review. 用不同植骨材料和自体浓缩血小板保存拔牙后牙槽嵴:一项系统综述。
eJournal of Oral Maxillofacial Research Pub Date : 2019-03-31 eCollection Date: 2019-01-01 DOI: 10.5037/jomr.2019.10102
Arturas Stumbras, Povilas Kuliesius, Gintaras Januzis, Gintaras Juodzbalys
{"title":"Alveolar Ridge Preservation after Tooth Extraction Using Different Bone Graft Materials and Autologous Platelet Concentrates: a Systematic Review.","authors":"Arturas Stumbras,&nbsp;Povilas Kuliesius,&nbsp;Gintaras Januzis,&nbsp;Gintaras Juodzbalys","doi":"10.5037/jomr.2019.10102","DOIUrl":"https://doi.org/10.5037/jomr.2019.10102","url":null,"abstract":"<p><strong>Objectives: </strong>To review and assess the efficiency of different post extraction socket preservation techniques.</p><p><strong>Material and methods: </strong>An electronic literature search was performed on the MEDLINE and Embase databases. The review included human studies published between from January 1<sup>st</sup>, 2007 to January 1<sup>st</sup>, 2018, in English. Outcome measures included dimensional changes and/or histological evaluation of alveolar bone.</p><p><strong>Results: </strong>Twenty-six full text articles were reviewed, 16 of which met the inclusion criteria and were selected for the study. Autogenous tooth graft prevented vertical resorption the most: -0.28 (SD 0.13) mm, observation period (OP): 4 months, while the least effective approach was beta tri-calcium phosphate (β-TCP): -1.72 (SD 0.56) mm, OP: 4 months. Estimating horizontal resorption, the most effective technique was biphasic calcium sulphate (BCS) with β-TCP and hydroxyapatite (HA) - BCS + TCP + HA: 0.03 (SD 2.32) mm, OP: 4 months, while β-TCP was the least efficient: -1.45 (SD 0.4) mm, OP: 4 months. Evaluating residual graft particles (RG) and newly formed bone (NFB) ratio the best results were achieved with demineralized freeze-dried bone allograft: RG: 8.88%, NFB: 38.42%, OP: 5 months, whereas magnesium-enriched hydroxyapatite was least effective: RG: 40.82%, NFB: 31.85%, OP: 4 months.</p><p><strong>Conclusions: </strong>This review revealed that even though there are numerous types of biomaterials for socket preservation none of them can completely stop alveolar bone loss after tooth extraction. Furthermore, lack of information about qualitative evaluation of bone was noticed indicating that further studies regarding this topic are needed.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.5037/jomr.2019.10102","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37221984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 57
Effectiveness of Xenograft and Porcine-Derived Resorbable Membrane in Augmentation of Posterior Extraction Sockets with a Severe Wall Defect. A Radiographic/Tomographic Evaluation. 异种移植物和猪源可吸收膜在严重牙槽壁缺损后牙槽骨修复中的应用效果。A x线/层析成像评价。
eJournal of Oral Maxillofacial Research Pub Date : 2019-03-31 eCollection Date: 2019-01-01 DOI: 10.5037/jomr.2019.10103
Renzo Guarnieri, Dario Di Nardo, Gianni Di Giorgio, Gabriele Miccoli, Luca Testarelli
{"title":"Effectiveness of Xenograft and Porcine-Derived Resorbable Membrane in Augmentation of Posterior Extraction Sockets with a Severe Wall Defect. A Radiographic/Tomographic Evaluation.","authors":"Renzo Guarnieri,&nbsp;Dario Di Nardo,&nbsp;Gianni Di Giorgio,&nbsp;Gabriele Miccoli,&nbsp;Luca Testarelli","doi":"10.5037/jomr.2019.10103","DOIUrl":"https://doi.org/10.5037/jomr.2019.10103","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of the present prospective study was to evaluate, by means of intraoral periapical radiographs and cone-beam computed tomography, hard tissue changes after ridge augmentation procedures in posterior extraction sockets with severe wall defects.</p><p><strong>Material and methods: </strong>Twenty patients, with a non-restorable premolar/molar tooth and severe wall defect, were enrolled in the present study, and underwent single-tooth extraction. Extraction sites were grafted with porcine-derived bone covered by porcine-derived collagen membrane. Intraoral periapical radiographs and cone-beam computed tomography scans, obtained at enrolment, and 6 months after ridge augmentation procedures were analysed and compared.</p><p><strong>Results: </strong>In the intraoral periapical radiographs, mean vertical bone gains detected at the distal, central and mesial aspects of the extraction sockets were 3.5 (SD 1.1) mm, 8.2 (SD 2.1) mm, and 3.9 (SD 1.7) mm, respectively. In the cone-beam computed tomography scans, the mean vertical bone gains detected at the more vestibular and more palatal aspects were 4.4 (SD 1.9) mm, and 3.3 (SD 2.8) mm, respectively. The mean horizontal bone gain was 3.5 (SD 1.6) mm. In all examined defects, mean vertical and horizontal bone levels showed a statistically significant increase (P < 0.05) at 6 months after extraction.</p><p><strong>Conclusions: </strong>Within the limits of this study, the results suggest that porcine-derived bone graft covered by a collagen membrane can support significant vertical and horizontal bone gain at posterior post-extraction sockets with severe wall defects.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/3f/0d/jomr-10-e3.PMC6498814.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37241155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Restoring Edentulous Mandible with an Implant-Retained Overdenture in a Day by Means of Flapless Surgery and Stereolithographic Surgical Guide: a Case Report. 无瓣手术及立体骨刻术指导下种植覆盖义齿一日修复下颌无牙1例。
eJournal of Oral Maxillofacial Research Pub Date : 2019-03-31 eCollection Date: 2019-01-01 DOI: 10.5037/jomr.2019.10105
Ilser Turkyilmaz
{"title":"Restoring Edentulous Mandible with an Implant-Retained Overdenture in a Day by Means of Flapless Surgery and Stereolithographic Surgical Guide: a Case Report.","authors":"Ilser Turkyilmaz","doi":"10.5037/jomr.2019.10105","DOIUrl":"https://doi.org/10.5037/jomr.2019.10105","url":null,"abstract":"<p><strong>Background: </strong>Digital revolution is here and becoming more and more influential in our daily lives by transforming several things such as our habits, interactions with other people and the practice of dentistry. In implant dentistry, the newer methods by using cone-beam computed tomography and computer-aided design and computer-aided manufacturing recently offer more predictable and aesthetics outcomes in a shorter period of treatment time when compared to the traditional prosthetic procedures.</p><p><strong>Methods: </strong>A 66 year-old male patient with an edentulous mandible and several failing maxillary teeth presented to our clinic. After cone-beam computed-tomography scans and virtual implant placement by using three-dimensional software, a stereolithographic surgical guide was fabricated. The patient received two mandibular implants without any flap elevation by means of a computer-aided design and computer-aided manufacturing surgical guide and a maxillary complete denture in a day.</p><p><strong>Results: </strong>The surgical and restorative procedures were performed without any issues. The patient was followed-up for three years and no major complications with the implants and prostheses were observed.</p><p><strong>Conclusions: </strong>The technique illustrated in this report may be successfully used to restore edentulous arches in a day if it is executed by trained restorative dentists and if patient selection is appropriate.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.5037/jomr.2019.10105","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37223424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Strontium Ranelate Elevates Expression of Heme Oxygenase-1 and Decreases Alveolar Bone Loss in Rats. 雷奈酸锶提高大鼠血红素加氧酶-1的表达并减少牙槽骨丢失。
eJournal of Oral Maxillofacial Research Pub Date : 2018-12-30 eCollection Date: 2018-10-01 DOI: 10.5037/jomr.2018.9404
Ricardo Basto Souza, Francisco Isaac Fernandes Gomes, Karuza Maria Alves Pereira, Paula Goes Pinheiro Dutra, Rodrigo Maranguape Silva da Cunha, Hellíada Vasconcelos Chaves, Mirna Marques Bezerra
{"title":"Strontium Ranelate Elevates Expression of Heme Oxygenase-1 and Decreases Alveolar Bone Loss in Rats.","authors":"Ricardo Basto Souza,&nbsp;Francisco Isaac Fernandes Gomes,&nbsp;Karuza Maria Alves Pereira,&nbsp;Paula Goes Pinheiro Dutra,&nbsp;Rodrigo Maranguape Silva da Cunha,&nbsp;Hellíada Vasconcelos Chaves,&nbsp;Mirna Marques Bezerra","doi":"10.5037/jomr.2018.9404","DOIUrl":"https://doi.org/10.5037/jomr.2018.9404","url":null,"abstract":"<p><strong>Objectives: </strong>The purpose of this study was to determine the effects of strontium ranelate on ligature-induced periodontitis in rats and assess the putative involvement of heme oxygenase-1 (HO-1) pathway in these effects.</p><p><strong>Material and methods: </strong>Male Wistar rats underwent nylon ligature placement around maxillary molars and were treated (v.o.) with strontium ranelate (20 or 100 mg/kg) for 7 days. After that, rats were euthanized and histomorphometric/histopathological analyses and RT-PCR for HO-1 expression were performed.</p><p><strong>Results: </strong>Strontium ranelate (20 or 100 mg/kg) prevented bone resorption by 28% and 38%, respectively. Strontium ranelate treatment (100 mg/kg) up-regulated (P < 0.05) heme oxygenase-1 mRNA levels in the gingival tissues in comparison to control groups.</p><p><strong>Conclusions: </strong>Strontium ranelate prevented periodontal bone loss in experimental periodontitis in rats while heme oxygenase-1 mRNA levels increased after treatment.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/77/55/jomr-09-e4.PMC6365880.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"36954076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Three-Dimensional Evaluation of the Effects of Kinesio Taping on Postoperative Swelling and Pain after Surgically Assisted Rapid Palatal Expansion. 肌内效贴贴对手术辅助腭快速扩张术后肿胀和疼痛的三维评价。
eJournal of Oral Maxillofacial Research Pub Date : 2018-12-30 eCollection Date: 2018-10-01 DOI: 10.5037/jomr.2018.9403
Murat Ulu, Özgür Gözlüklü, Çiğdem Kaya, Nuri Ünal, Hüseyin Akçay
{"title":"Three-Dimensional Evaluation of the Effects of Kinesio Taping on Postoperative Swelling and Pain after Surgically Assisted Rapid Palatal Expansion.","authors":"Murat Ulu,&nbsp;Özgür Gözlüklü,&nbsp;Çiğdem Kaya,&nbsp;Nuri Ünal,&nbsp;Hüseyin Akçay","doi":"10.5037/jomr.2018.9403","DOIUrl":"https://doi.org/10.5037/jomr.2018.9403","url":null,"abstract":"<p><strong>Objectives: </strong>The purpose of the present study was to evaluate the effects of kinesio taping on pain and swelling after surgically assisted rapid palatal expansion.</p><p><strong>Material and methods: </strong>A total of 21 (12 male and 9 female) patients with transverse maxillary deficiency were enrolled in the study. Kinesio taping (KT) was applied unilaterally in each patient, whereby sides of the face with KT application were included into the (a) KT group and the other sides were included into the (b) non-KT group. Changes in facial volume were evaluated on digital images using the 3dMD Face System. Pain scores were assessed at postoperative days 1, 2, 3, 4, 5, 6, and 7 using the visual analog scale (VAS). Two-way repeated measures analysis of variance and Mann Whitney U test were used for statistical analyses.</p><p><strong>Results: </strong>Swelling was significantly lower in the KT group compared to the non-KT group from T0 to T1 (36.42 [SD 19.71] mm<sup>3</sup> vs. 183.84 [SD 49.33] mm<sup>3</sup>) and was significantly greater in the non-KT group compared to the KT group from T0 to T2 (70.88 [SD 15.73] mm<sup>3</sup> vs. 21.46 [SD 13.39] mm<sup>3</sup>) (P < 0.001 for both). The VAS scores were significantly lower in the KT group compared to the non-KT group at all time points (P < 0.05).</p><p><strong>Conclusions: </strong>The application of kinesio taping after maxillofacial surgery reduced the pain and swelling in the postoperative period. Kinesio taping can be used as an alternative to other methods that are used for the reduction of postoperative complaints.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/d9/de/jomr-09-e3.PMC6365884.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"36954074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Evaluation of Prevalence and Positions of Mesiodens Using Cone-Beam Computed Tomography. 锥形束计算机断层扫描评估中碘化癌的发病率和位置。
eJournal of Oral Maxillofacial Research Pub Date : 2018-12-30 eCollection Date: 2018-10-01 DOI: 10.5037/jomr.2018.9401
Sevde Goksel, Ece Agirgol, Hulya Cakir Karabas, Ilknur Ozcan
{"title":"Evaluation of Prevalence and Positions of Mesiodens Using Cone-Beam Computed Tomography.","authors":"Sevde Goksel,&nbsp;Ece Agirgol,&nbsp;Hulya Cakir Karabas,&nbsp;Ilknur Ozcan","doi":"10.5037/jomr.2018.9401","DOIUrl":"https://doi.org/10.5037/jomr.2018.9401","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of this retrospective study is to investigate the prevalence, three-dimensional positions and supplementary findings of the presence of a mesiodens by using cone-beam computed tomography.</p><p><strong>Material and methods: </strong>A total of 5000 cone-beam computed tomography (CBCT) scans, taken between December 2015 and March 2018, from the archive of Istanbul University Faculty of Dentistry Department of Oral and Maxillofacial Radiology, were screened. In sum, 2003 CBCT scans fulfilled inclusion criteria in this study. In addition to number of mesiodens, age and sex of the patients, shape, eruption status and direction, findings of the presence of a mesiodens were also recorded. Mesiodentes were classified according to their positions in frontal, sagittal and axial planes.</p><p><strong>Results: </strong>In this study, the prevalence of mesiodens was found 5.04% and to be more frequent in males than in females with the ratio of 1.9 : 1. One hundred thirty maxillary mesiodentes were detected in 101 cases out of 2003 CBCT scans. In 77 cases (76.2%), single mesiodens; in 19 cases (18.8%), two mesiodentes; and in 5 cases (4.9%), three mesiodentes were found. According to our classification, mesiodentes were mostly found in between midlines of central incisors (both the crown and root of mesiodens) in frontal plane, impacted and in contact with central incisors in sagittal plane, anterior to nasopalatine canal and in contact with nasopalatine canal in axial plane.</p><p><strong>Conclusions: </strong>Cone-beam computed tomography provides more detailed information about position, neighbouring anatomic structures, and local findings of the presence of mesiodentes in multiplanar sections.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.5037/jomr.2018.9401","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"36954903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
Denosumab Related Osteonecrosis of Jaw: a Case Report. Denosumab相关性颌骨骨坏死1例报告。
eJournal of Oral Maxillofacial Research Pub Date : 2018-12-30 eCollection Date: 2018-10-01 DOI: 10.5037/jomr.2018.9405
Marco Vinícius de Sales Lima, Jaqueline Rizzato, Daniella Varzea Gracindo Marques, Dárcio Kitakawa, Felipe da Silva Peralta, Alexandre Prado Scherma, Luis Felipe C S Carvalho
{"title":"Denosumab Related Osteonecrosis of Jaw: a Case Report.","authors":"Marco Vinícius de Sales Lima,&nbsp;Jaqueline Rizzato,&nbsp;Daniella Varzea Gracindo Marques,&nbsp;Dárcio Kitakawa,&nbsp;Felipe da Silva Peralta,&nbsp;Alexandre Prado Scherma,&nbsp;Luis Felipe C S Carvalho","doi":"10.5037/jomr.2018.9405","DOIUrl":"https://doi.org/10.5037/jomr.2018.9405","url":null,"abstract":"<p><strong>Background: </strong>This case report shows an affected postmenopausal patient with medicaments related osteonecrosis of the jaw injury associated with increased use of bisphosphonates and Prolia<sup>®</sup> (denosumab) for the treatment of osteoporosis. The mechanism of action of the receptor activates the denosumab of the nuclear-kB factor binding and makes nuclear-kB Factor, reducing bone volume and reabsorption in the trabecular and cortical bones and, consequently, decreasing an incidence of fractures and maintaining a bone formation. The bone physiology regulated by the hormones calcitonin, parathormone and vitamin D also undergoes interference.</p><p><strong>Methods: </strong>The injury was located around a dental implant in region #24 and #25 and the patient complained of pain, bleeding, oedema, and halitosis for more than two months, that the dental implant had been installed five years before. According to the clinical findings, the patient presented the exposed and necrotic bone in the region of #24 and #25 and with the radiographs found, it was observed as extensive bone destruction adjacent to the dental implant.</p><p><strong>Results: </strong>Patient was referred to the maxillofacial surgeon that performed the removal of bone sequestration and dental implant in the region affected. After that, the patient has been accompanied for a year.</p><p><strong>Conclusions: </strong>Patients taking medications for osteoporosis or cancer need to receive special attention from the dentist. Invasive procedures on the jaw bone of patients taking these medications may cause osteonecrosis of the jaw. When diagnosed, osteonecrosis of the jaw should be treated surgically in conjunction with antibiotic therapy and patients should be monitored.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/d5/c9/jomr-09-e5.PMC6365882.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"36954080","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Mental Foramen Size, Position and Symmetry in a Multi-Ethnic, Urban Black Population: Radiographic Evidence. 多种族城市黑人人口的脑孔大小、位置和对称性:影像学证据。
eJournal of Oral Maxillofacial Research Pub Date : 2018-12-30 eCollection Date: 2018-10-01 DOI: 10.5037/jomr.2018.9402
Seidu Adebayo Bello, John Ademola Adeoye, Nosa Ighile, Nathan Ukuoghene Ikimi
{"title":"Mental Foramen Size, Position and Symmetry in a Multi-Ethnic, Urban Black Population: Radiographic Evidence.","authors":"Seidu Adebayo Bello,&nbsp;John Ademola Adeoye,&nbsp;Nosa Ighile,&nbsp;Nathan Ukuoghene Ikimi","doi":"10.5037/jomr.2018.9402","DOIUrl":"https://doi.org/10.5037/jomr.2018.9402","url":null,"abstract":"<p><strong>Objectives: </strong>To determine the approximate location, shape and dimensions of the mental foramen in African subjects using panoramic radiographs.</p><p><strong>Material and methods: </strong>This study analysed 320 orthopantomograms of subjects from two centres. The analysis was done using the radiographic software tools (SIDEXIS, Bensheim, Germany) which allowed for determination of the position, shape and dimensions of the foramen. Furthermore, the right and left mental foramina were compared to ascertain both shape and positional symmetry.</p><p><strong>Results: </strong>Most of the foramina analysed were horizontally positioned between the mandibular first and second premolars (65.9%) and vertically positioned greater than 2 mm below the apex of the second mandibular premolars. The average vertical dimension and horizontal dimension of the foramen is 2.87 (SD 1) mm and 3.56 (SD 1.23) mm respectively with 55.2% of the foramen analysed being ovoid in shape. Asymmetrical mental foramina were seen in 164 subjects (51.3%) while 156 subjects had symmetrical mental foramina (48.7%).</p><p><strong>Conclusions: </strong>The mental foramen is most commonly located between the mandibular premolars, greater than 2 mm below the apex of the second mandibular premolars. They are usually ovoid in shape with an almost equal distribution of asymmetry and symmetry.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/ad/f5/jomr-09-e2.PMC6365883.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"36954078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
Dental Implant Placement in Patients on Bisphosphonate Therapy: a Systematic Review. 双膦酸盐治疗患者种植牙:系统回顾。
eJournal of Oral Maxillofacial Research Pub Date : 2018-09-30 eCollection Date: 2018-07-01 DOI: 10.5037/jomr.2018.9302
Rokas Gelazius, Lukas Poskevicius, Dalius Sakavicius, Vaidas Grimuta, Gintaras Juodzbalys
{"title":"Dental Implant Placement in Patients on Bisphosphonate Therapy: a Systematic Review.","authors":"Rokas Gelazius,&nbsp;Lukas Poskevicius,&nbsp;Dalius Sakavicius,&nbsp;Vaidas Grimuta,&nbsp;Gintaras Juodzbalys","doi":"10.5037/jomr.2018.9302","DOIUrl":"https://doi.org/10.5037/jomr.2018.9302","url":null,"abstract":"<p><strong>Objectives: </strong>The review aims to study dental implant placement purposefulness for patients who have been treated or are on treatment with bisphosphonate medication.</p><p><strong>Material and methods: </strong>Structured search strategy was applied on electronic databases: MEDLINE, PubMed, PubMed Central and ResearchGate. Scientific publications in English between 2006 and 2017 were identified in accordance with inclusion, exclusion criteria. Publication screening, data extraction, and quality assessment were performed. Outcome measures included implant failure or implant-related osteonecrosis of the jaw.</p><p><strong>Results: </strong>In total, 32 literature sources were reviewed, and 9 of the most relevant articles that are suitable to the criteria were selected. Heterogeneity between the studies was found and no meta-analysis could be done. Five studies analysed intraoral bisphosphonate medication in relation with implant placement, three studies investigated intravenous bisphosphonate medication in relation with implant placement and one study evaluated both types of medication given in relation with implant placement. Patients with intraoral therapy appeared to have a better implant survival (5 implants failed out of 423) rate at 98.8% vs. patients treated intravenously (6 implants failed out of 68) at 91%; the control group compared with intraoral bisphosphonate group appeared with 97% success implant survival rate (27 implants failed out of 842), showing no significant difference in terms of success in implant placement.</p><p><strong>Conclusions: </strong>Patients treated with intravenous bisphosphonates seemed to have a higher chance of developing implant-related osteonecrosis of the jaw. The intraorally treated patient group appeared to have more successful results. Implant placement in patients treated intraorally could be considered safe with precautions.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.5037/jomr.2018.9302","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"36680781","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 38
Effect of Implant Location on Palateless Complete Overdenture Retention: an In Vitro Study. 种植体定位对无腭全覆盖义齿固位的影响:体外研究。
eJournal of Oral Maxillofacial Research Pub Date : 2018-09-30 eCollection Date: 2018-07-01 DOI: 10.5037/jomr.2018.9303
Nesma El-Amier, Ehab Elsaih, Mona Gibreel, Hassan El-Motaiam
{"title":"Effect of Implant Location on Palateless Complete Overdenture Retention: an <i>In Vitro</i> Study.","authors":"Nesma El-Amier,&nbsp;Ehab Elsaih,&nbsp;Mona Gibreel,&nbsp;Hassan El-Motaiam","doi":"10.5037/jomr.2018.9303","DOIUrl":"https://doi.org/10.5037/jomr.2018.9303","url":null,"abstract":"<p><strong>Objectives: </strong>The purpose of this <i>in vitro</i> study was to evaluate effect of implant location on initial retention values of palateless complete overdentures retained by four o-rings at different inter-implant distances.</p><p><strong>Material and methods: </strong>Two standard acrylic models representing completely edentulous maxillary arches were used. Four single piece ball type implants were placed in each model. Models were divided into two groups according to the distance between anterior and posterior implants. Two canine implants with 32 mm inter-implant distance were placed in both models. In one model (G1), two posterior implants were placed in second premolar region away from canine implants by 14 mm on both sides, while in the other model (G2), the two posterior implants were placed in first molar region away from canine implants by 22 mm on both sides. Eighteen palateless complete overdentures were constructed for each model. Overdentures were retained by four o-rings. Initial axial (central), and para-axial (anterior, posterior, and lateral) retention values of overdentures were estimated and compared using a universal testing machine.</p><p><strong>Results: </strong>Independent t-test revealed that implant location has a significant role in palateless complete overdenture retention with a level of significance set at P < 0.05.</p><p><strong>Conclusions: </strong>For <i>in vitro</i> simulated palateless implant overdentures retained by four o-rings, increasing the inter-implant distance between anterior and posterior implants is favourable for a more retentive prosthesis.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/c0/78/jomr-09-e3.PMC6225600.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"36680779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
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