eJournal of Oral Maxillofacial Research最新文献

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Successful treatment of cystic lesion combining Cystectomy, Nonsurgical Endodontics and Vital Pulp Therapy of Mature Permanent Mandibular Molars: a Case Report with 19 Months Follow-Up. 成熟恒磨牙囊性病变联合膀胱切除术、非手术牙髓治疗及重要牙髓治疗成功1例,随访19个月。
eJournal of Oral Maxillofacial Research Pub Date : 2023-01-01 DOI: 10.5037/jomr.2023.14104
Roberta Zamaliauskiene, Rita Veberiene
{"title":"Successful treatment of cystic lesion combining Cystectomy, Nonsurgical Endodontics and Vital Pulp Therapy of Mature Permanent Mandibular Molars: a Case Report with 19 Months Follow-Up.","authors":"Roberta Zamaliauskiene,&nbsp;Rita Veberiene","doi":"10.5037/jomr.2023.14104","DOIUrl":"https://doi.org/10.5037/jomr.2023.14104","url":null,"abstract":"<p><strong>Background: </strong>Clinical examination revealed large periapical lesion. Patient was referred for endodontic treatment of right mandibular first and second molars before planed cystectomy. The aim of this case report is to present the clinical approach to preserve healthy pulp tissue by combining nonsurgical root canal treatment and vital pulp therapy for mature mandibular molar.</p><p><strong>Methods: </strong>A minimally invasive endodontic therapy treatment with combination of nonsurgical root canal treatment and vital pulp therapy was performed. Osteotomies around wisdom teeth were performed, wisdom teeth extracted, and cyst was removed.</p><p><strong>Results: </strong>At the 19 months follow-up appointment patient had no complaints, radiographically full regeneration of periapical bone was observed.</p><p><strong>Conclusions: </strong>A minimally invasive endodontic therapy treatment with combination of nonsurgical root canal treatment and vital pulp therapy for mature mandibular molar before a planned cystectomy could be considered as a treatment option showing good long-term results.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"14 1","pages":"e4"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/7f/68/jomr-14-e4.PMC10170662.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9821837","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: 0
Aplasia of the Major and Minor Salivary Glands: Report of a Rare Case. 大、小唾液腺发育不全1例报告。
eJournal of Oral Maxillofacial Research Pub Date : 2022-10-01 DOI: 10.5037/jomr.2022.13405
Erofili Papadopoulou, Evangelia Piperi, Maria Georgaki, Emmanouil Vardas, Nikolaos G Nikitakis
{"title":"Aplasia of the Major and Minor Salivary Glands: Report of a Rare Case.","authors":"Erofili Papadopoulou,&nbsp;Evangelia Piperi,&nbsp;Maria Georgaki,&nbsp;Emmanouil Vardas,&nbsp;Nikolaos G Nikitakis","doi":"10.5037/jomr.2022.13405","DOIUrl":"https://doi.org/10.5037/jomr.2022.13405","url":null,"abstract":"<p><strong>Background: </strong>Aplasia of the salivary glands, either partial or involving all the major and possibly the minor salivary glands, is a very rare cause of hyposalivation. The aim of this case report is to present a case of aplasia of the major and minor salivary glands and discuss the relevant literature.</p><p><strong>Methods: </strong>A 23-year-old woman, with a non-contributory medical and family history was referred due to rampant caries, that could not be attributed to any obvious aetiology. No sicca symptoms, previous parotid gland swelling or general symptoms were reported. Clinically, oral mucosa dryness and extended dental erosions and caries were observed, while the orifices of the excretory ducts of the parotid and submandibular salivary glands were not evident. Unstimulated and stimulated saliva flow rates were severely diminished, while a diagnostic biopsy of the lower lip revealed absence of minor salivary glands. Detailed hematologic and immunological investigations to exclude systemic disorders were also within normal limits. Ultrasound and magnetic resonance imaging revealed the absence of all major salivary glands, confirming the clinical diagnosis of congenital aplasia of the salivary glands.</p><p><strong>Results: </strong>Oral hygiene instructions and dietary advice were given while dental products with fluoride and saliva substitutes were administered and appropriate dental treatment was implemented. Regular dental follow-up was also advised.</p><p><strong>Conclusions: </strong>Timely diagnosis of aplasia of the salivary glands is important, considering the detrimental effects of the absence of saliva on oral health. Management consists of the use of saliva substitutes, nutritional adaptation, maintenance of oral health and regular dental follow-ups.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"13 4","pages":"e5"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/0c/60/jomr-13-e5.PMC9902026.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10793513","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: 0
Investigation to Predict Primary Implant Stability Using Frictional Resistance Torque of Tap Drilling. 用丝锥钻进摩擦阻力力矩预测初级种植体稳定性的研究。
eJournal of Oral Maxillofacial Research Pub Date : 2022-10-01 DOI: 10.5037/jomr.2022.13401
Kaien Wakamatsu, Kazuya Doi, Reiko Kobatake, Yusuke Makihara, Yoshifumi Oki, Kazuhiro Tsuga
{"title":"Investigation to Predict Primary Implant Stability Using Frictional Resistance Torque of Tap Drilling.","authors":"Kaien Wakamatsu,&nbsp;Kazuya Doi,&nbsp;Reiko Kobatake,&nbsp;Yusuke Makihara,&nbsp;Yoshifumi Oki,&nbsp;Kazuhiro Tsuga","doi":"10.5037/jomr.2022.13401","DOIUrl":"https://doi.org/10.5037/jomr.2022.13401","url":null,"abstract":"<p><strong>Objectives: </strong>The purpose of this experimental study was to investigate the correlation between the frictional resistance torque of tap drilling prior to implant placement and the primary stability after implant placement.</p><p><strong>Material and methods: </strong>Solid rigid polyurethane bone blocks of four different densities were used in this study. A computerized surgical implant motor device was utilized to measure the frictional resistance torque of tap drilling. After the tap torque was measured, the dental implants were inserted at the prepared sites. During the implantation, the insertion torque was recorded, and resonance frequency analysis was performed, the value of which was calculated as the implant stability quotient. Thereafter, the correlation between the tap torque and the primary stability of the implant was evaluated and compared with the standard drilling protocol.</p><p><strong>Results: </strong>A significant positive correlation was found between the tap torque and insertion torque (Pearson's r = 0.88, P < 0.0001). Similarly, there was a positive correlation between the tap torque and implant stability quotient (Pearson's r = 0.69, P < 0.0001).</p><p><strong>Conclusions: </strong>These results suggest that measurement of the frictional resistance torque of tap drilling prior to implant placement could provide helpful information for implant primary stability.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"13 4","pages":"e1"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/8d/01/jomr-13-e1.PMC9902023.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10793511","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: 0
Evaluation of the Anatomic Position of the Mandibular Canal Regarding to the Segments of the Mandibular Sagittal Split Ramus Osteotomy to Diminish the Possibility of Injuries: a Pilot Study. 评价下颌骨矢状分叉支截骨术中下颌管的解剖位置以减少损伤的可能性:一项初步研究。
eJournal of Oral Maxillofacial Research Pub Date : 2022-10-01 DOI: 10.5037/jomr.2022.13402
Victor Diniz Borborema Dos Santos, Salomão Israel Monteiro Lourenço Queiroz, Alessandro Costa da Silva, Susana Silva, José Sandro Pereira da Silva, Gustavo Vicentis de Oliveira Fernandes, Adriano Rocha Germano
{"title":"Evaluation of the Anatomic Position of the Mandibular Canal Regarding to the Segments of the Mandibular Sagittal Split Ramus Osteotomy to Diminish the Possibility of Injuries: a Pilot Study.","authors":"Victor Diniz Borborema Dos Santos,&nbsp;Salomão Israel Monteiro Lourenço Queiroz,&nbsp;Alessandro Costa da Silva,&nbsp;Susana Silva,&nbsp;José Sandro Pereira da Silva,&nbsp;Gustavo Vicentis de Oliveira Fernandes,&nbsp;Adriano Rocha Germano","doi":"10.5037/jomr.2022.13402","DOIUrl":"https://doi.org/10.5037/jomr.2022.13402","url":null,"abstract":"<p><strong>Objectives: </strong>This pilot study evaluated the relationship between inferior alveolar nerve location through computed tomography scan and intraoperative inferior alveolar nerve entrapment after bilateral sagittal split osteotomy.</p><p><strong>Material and methods: </strong>Overall, 20 helicoidal computed tomography scans were evaluated in patients with facial deformities who underwent to bilateral sagittal split osteotomy (BSSO). The distance from the mandibular canal to the internal surface of the buccal and lingual cortical bone, mandibular thickness, bone density and proportion of medullary and cortical bone in 3 regions were evaluated. During the intraoperative period, the segment to which the nerve remained adhered after performing BSSO was analysed, and the data correlated.</p><p><strong>Results: </strong>The distance from the mandibular canal to the buccal cortical bone showed a mean of 2.6 mm when the inferior alveolar nerve was adhered to the distal segment and mean of 0.7 mm when the nerve was adhered to the proximal segment. The thickness was 11.2 mm and 9.8 mm when the nerve was adhered the distal the proximal segments respectively. Mandibular thickness, distance from the mandibular canal to the buccal and lingual cortical were statistically related to intraoperative nerve entrapment (P < 0.05).</p><p><strong>Conclusions: </strong>Narrow jaws and the distance from the mandibular canal to buccal cortical bone less than 2 mm increases the risk of the inferior alveolar nerve entrapment in bilateral sagittal split osteotomy.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"13 4","pages":"e2"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/50/3e/jomr-13-e2.PMC9902025.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10793512","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: 0
Intraosseous Epidermoid Cyst: a Case Report. 骨内表皮样囊肿1例报告。
eJournal of Oral Maxillofacial Research Pub Date : 2022-10-01 DOI: 10.5037/jomr.2022.13404
Bistra Blagova, Lina Malinova, Vesela Ivanova
{"title":"Intraosseous Epidermoid Cyst: a Case Report.","authors":"Bistra Blagova,&nbsp;Lina Malinova,&nbsp;Vesela Ivanova","doi":"10.5037/jomr.2022.13404","DOIUrl":"https://doi.org/10.5037/jomr.2022.13404","url":null,"abstract":"<p><strong>Background: </strong>Epidermoid cysts are benign lesions that occur throughout the body. Their development in the oral cavity is extremely rare. Intraosseous epidermoid cysts of the jaw are even rarer and difficult to distinguish from other lesions. For this reason, we would like to draw the attention of practitioners to this pathology as a differential diagnosis through the presented clinical case.</p><p><strong>Methods: </strong>This study presents an unusual case of a type of epidermoid cyst in an edentulous maxilla. A 70-year-old man was referred to the Maxillofacial Surgery Division at the University Multiprofile Hospital for Active Treatment and Emergency Medicine \"N. I. Pirogov\", Sofia, Bulgaria, for a single radiolucent area in his anterior maxilla. The patient underwent surgery to extract the cyst.</p><p><strong>Results: </strong>Based on the clinical and radiographic evaluation, a preliminary diagnosis of dentigerous residual cyst was made. The histopathological examination of the hematoxylin and eosin stained sections revealed an epidermoid cyst based on the observed thick keratin layer resembling epidermis together with the stratified squamous epithelium lining with many layers of sheaves of orthokeratin.</p><p><strong>Conclusions: </strong>This report presents an uncommon case of an intraosseous epidermoid cyst occurring without a history of maxillary trauma. Although intraosseous epidermoid cysts are extremely rare in jaws, they should be considered in the differential diagnosis of radiolucent lesions.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"13 4","pages":"e4"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/21/83/jomr-13-e4.PMC9902027.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10793509","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: 1
Potential Histopathological and Immune Biomarkers in Malignant and Non-Malignant Oral Lesions. 恶性和非恶性口腔病变中潜在的组织病理学和免疫生物标志物。
eJournal of Oral Maxillofacial Research Pub Date : 2022-10-01 DOI: 10.5037/jomr.2022.13403
Vinícius Gonçalves de Souza, Aparecida de Lourdes Carvalho, Carla Silva Siqueira Miranda, Ludimila Paula Vaz Cardoso
{"title":"Potential Histopathological and Immune Biomarkers in Malignant and Non-Malignant Oral Lesions.","authors":"Vinícius Gonçalves de Souza,&nbsp;Aparecida de Lourdes Carvalho,&nbsp;Carla Silva Siqueira Miranda,&nbsp;Ludimila Paula Vaz Cardoso","doi":"10.5037/jomr.2022.13403","DOIUrl":"https://doi.org/10.5037/jomr.2022.13403","url":null,"abstract":"<p><strong>Objectives: </strong>The presented case-control study was developed to characterize the clinical, histopathological and immunological profile of patients with traumatic injuries, benign neoplasms, potentially malignant oral disorders and malignant neoplasms of the oral cavity, in order to identify biomarkers of malignancy.</p><p><strong>Material and methods: </strong>Clinical information was collected from dental records and several techniques were performed, including histopathological evaluation in sections stained with haematoxylin and eosin, immunohistochemistry for programmed death ligand-1 and measurement of serum levels of interferon-gamma, interleukin-6, -10 and -12. Statistical analysis was performed using IBM SPSS<sup>®</sup> Statistics software.</p><p><strong>Results: </strong>This study included 8 patients with traumatic injuries, 8 with benign neoplasms, 6 with potentially malignant oral disorders and 11 with malignant neoplasms. An association was observed between the classification of the lesion and smoking (P < 0.05), the size of the lesion (P < 0.05), the density of the inflammatory infiltrate (P < 0.001), the degree of dysplasia (P < 0.01) and programmed death ligand-1 expression (P < 0.01).</p><p><strong>Conclusions: </strong>Therefore, it is suggested that smoking, the size of the lesion, the inflammatory infiltrate and the programmed death ligand-1 expression can be considered potential biomarkers of oral malignancy.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"13 4","pages":"e3"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/ee/65/jomr-13-e3.PMC9902024.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10793510","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: 0
Osseointegration Aspects of Implants at the Bone Reconstruction Site by a Novel Porous Titanium Scaffold. 新型多孔钛支架与骨重建部位植入物的骨结合。
eJournal of Oral Maxillofacial Research Pub Date : 2021-09-30 eCollection Date: 2021-07-01 DOI: 10.5037/jomr.2021.12304
Kazuya Doi, Reiko Kobatake, Yusuke Makihara, Yoshifumi Oki, Hanako Umehara, Takayasu Kubo, Kazuhiro Tsuga
{"title":"Osseointegration Aspects of Implants at the Bone Reconstruction Site by a Novel Porous Titanium Scaffold.","authors":"Kazuya Doi, Reiko Kobatake, Yusuke Makihara, Yoshifumi Oki, Hanako Umehara, Takayasu Kubo, Kazuhiro Tsuga","doi":"10.5037/jomr.2021.12304","DOIUrl":"10.5037/jomr.2021.12304","url":null,"abstract":"<p><strong>Objectives: </strong>Porous titanium is used for the reconstruction of large bone defects due to its excellent mechanical strength. The quality of osseointegration of implants placed in bone reconstructed with porous titanium is unknown. The purpose of this <i>in vivo</i> study was to evaluate the osseointegration of implants at sites reconstructed using porous titanium.</p><p><strong>Material and methods: </strong>Hollow porous titanium (Ti) (outer-diameter 6 mm, inner-diameter 2 mm, length 4 mm, 85% porosity) and similar-sized porous hydroxyapatite (porous HA: 75% porosity) samples were prepared and implanted in 6 New Zealand white rabbit femurs. Four weeks later, an implant bed was created to receive a Ti implant (diameter 2 mm, length 4 mm). An implant placed at a pristine bone site served as the control. Four weeks later, histological and histomorphometric evaluations of the test and control sites were conducted.</p><p><strong>Results: </strong>Osseointegration was observed in all groups. There was no significant difference in the bone formation ratio and bone-implant contact (BIC) ratio across all groups for the whole area. At the cancellous bone area of the bone defect, superior bone formation ratio and BIC ratio were observed with porous Ti and porous HA compared to the control (bone formation ratio: control 1.8 [SD 3]%, HA 23 [SD 3]%, Ti 23.6 [SD 5]%; BIC ratio: control 5.4 [SD 5.3]%, HA 28.9 [SD 10.7]%, Ti 41.6 [SD 14]%). Porous Ti demonstrated good osteoconduction and osseointegration abilities, similar to porous HA.</p><p><strong>Conclusions: </strong>To our knowledge, this is the first report of implant treatment after preliminary bone reconstruction using a titanium biomaterial. Porous titanium is a suitable material for bone reconstruction before implant treatment in load-bearing areas that allow subsequent prosthetic treatment.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"12 3","pages":"e4"},"PeriodicalIF":0.0,"publicationDate":"2021-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/45/b6/jomr-12-e4.PMC8577583.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39623567","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: 0
The Reliability and Influence of Body Position on Acoustic Pharyngometry and Rhinometry Outcomes. 体位对声学咽鼻测量结果的可靠性及影响。
eJournal of Oral Maxillofacial Research Pub Date : 2020-10-01 DOI: 10.5037/jomr.2020.11401
Sofie Wilkens Knappe, Liselotte Sonnesen
{"title":"The Reliability and Influence of Body Position on Acoustic Pharyngometry and Rhinometry Outcomes.","authors":"Sofie Wilkens Knappe,&nbsp;Liselotte Sonnesen","doi":"10.5037/jomr.2020.11401","DOIUrl":"https://doi.org/10.5037/jomr.2020.11401","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of this cross sectional study was to analyze the method error and reliability in acoustic pharyngometry and rhinometry and to analyze the difference between standing and sitting position in acoustic pharyngometry and rhinometry.</p><p><strong>Material and methods: </strong>The sample comprised 38 healthy subjects (11 men and 27 women) as part of a control group in another study. The subjects underwent repeated measures of acoustic pharyngometry and rhinometry in standing and sitting position. Upper airway dimensions in terms of volume, minimum cross-sectional areas (MCA) and distances were evaluated using the Eccovision<sup>®</sup> Acoustic Pharyngometer and Rhinometer. Method error and reliability were analyzed using paired t-test, Dahlberg's formula and the Houston reliability coefficient, and differences between body positions were analyzed using paired t-test.</p><p><strong>Results: </strong>There was no systematic error in the repeated measures except for the distance to MCA in the left nostril in sitting position (P = 0.041). The method error for the pharyngometry ranged between 0.001 to 0.164 cm/cm<sup>2</sup>/cm<sup>3</sup> and the reliabity was 0.99. The method error for rhinometry ranged between 0.001 to 0.37 cm/cm<sup>2</sup>/cm<sup>3</sup> and the reliability between 0.99 to 1. Difference between standing and sitting position was found only in the pharyngeal airway in terms of volume (P = 0.025) and mean area (P = 0.009) with smaller airway in sitting position.</p><p><strong>Conclusions: </strong>The results indicate that acoustic pharyngometry and rhinometry are reliable methods to perform repeated measures of the upper airway dimensions especially in the standing mirror position. It may be essential to perform the measures with the patient positioned in the same body position each time.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"11 4","pages":"e1"},"PeriodicalIF":0.0,"publicationDate":"2020-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/c5/1b/jomr-11-e1.PMC7875104.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10639780","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
Comparative Study of Surface Modification Treatment for Porous Titanium. 多孔钛表面改性处理对比研究
eJournal of Oral Maxillofacial Research Pub Date : 2020-06-30 eCollection Date: 2020-04-01 DOI: 10.5037/jomr.2020.11205
Reiko Kobatake, Kazuya Doi, Yoshifumi Oki, Yusuke Makihara, Hanako Umehara, Takayasu Kubo, Kazuhiro Tsuga
{"title":"Comparative Study of Surface Modification Treatment for Porous Titanium.","authors":"Reiko Kobatake, Kazuya Doi, Yoshifumi Oki, Yusuke Makihara, Hanako Umehara, Takayasu Kubo, Kazuhiro Tsuga","doi":"10.5037/jomr.2020.11205","DOIUrl":"10.5037/jomr.2020.11205","url":null,"abstract":"<p><strong>Objectives: </strong>This study was to investigate suitable surface treatment methods for porous titanium by <i>ex vivo</i> study of material properties and calcium phosphate deposition in simulated body fluid.</p><p><strong>Material and methods: </strong>Porous titanium with acid (H<sub>2</sub>SO<sub>4</sub> and HCl mixed acid) or alkali (NaOH) treatment was prepared. The surfaces were observed, and the weight change ratio (after and before surface treatment) and compression strength were measured. To investigate the apatite formation ability, each sample was immersed in simulated body fluid (SBF). Surface observations were performed, and the weight change ratio (before/after immersing SBF) and calcification (by alizarin red staining) were measured.</p><p><strong>Results: </strong>The acid group showed a martensitic micro-scale rough structure and the weight and mechanical strength greatly decreased compared to the other groups. The alkali group exhibited a nano-scale roughness structure with similar weight and mechanical strength. Following immersion in SBF, an apatite-like crystal layer in the alkali group was observed. The weight of all samples increased. The change in weight of the samples in the alkali, acid, and control groups were significantly different, showing the following trend: alkali group (1.6%) > acid group (1.2%) > control group (0.8%). Calcium precipitation values were higher in the samples from alkali group than in those from the acid and control groups.</p><p><strong>Conclusions: </strong>Alkali treatment was found to be a suitable surface modification method for porous titanium, resulting in good mechanical strength and apatite formation ability in simulated body fluid.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"11 2","pages":"e5"},"PeriodicalIF":0.0,"publicationDate":"2020-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/d4/ef/jomr-11-e5.PMC7393927.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38243621","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: 0
The Use of Botulinum Toxin A in the Management of Trigeminal Neuralgia: a Systematic Literature Review. 肉毒毒素A在三叉神经痛治疗中的应用:系统文献综述。
eJournal of Oral Maxillofacial Research Pub Date : 2020-06-30 eCollection Date: 2020-04-01 DOI: 10.5037/jomr.2020.11202
Anton Rubis, Gintaras Juodzbalys
{"title":"The Use of Botulinum Toxin A in the Management of Trigeminal Neuralgia: a Systematic Literature Review.","authors":"Anton Rubis, Gintaras Juodzbalys","doi":"10.5037/jomr.2020.11202","DOIUrl":"10.5037/jomr.2020.11202","url":null,"abstract":"<p><strong>Objectives: </strong>The purpose of this article is to systematically review the use, efficacy, differences between botulinum toxin type A doses and side effects of botulinum toxin type A therapy in patients with trigeminal neuralgia.</p><p><strong>Material and methods: </strong>The search for the performed reviews was done in PubMed and Cochrane library in English language from January 2010 up to February 2020. Inclusion criteria: full-text studies in English language, in which visual assessment scale (VAS) was present, in which patients with trigeminal neuralgia (TN) were participated and the comparison between botulinum toxin type A (BT-A) and saline was done.</p><p><strong>Results: </strong>The review included 4 randomized, double-blind, placebo-controlled trials with 8 to 12 weeks follow-up to observe changes in VAS and in frequency of TN attacks, differences between dosages of BT-A in therapy and side effects. Mean VAS of BT-A group decreased by approximately 68% and of palcebo group decreased by approximately 21.6% after the therapy. Mean frequency of TN attacks in 3 studies of BT-A group decreased by 85%, while in palcebo by only 15.9%.</p><p><strong>Conclusions: </strong>Botulinum toxin type A injection therapy is a safe and effective method in management of trigeminal neuralgia. No differences between dosages of botulinum toxin type A were found. Maximum efficacy was noticed between 6 weeks and 3 months after the procedure. Side effects were mostly facial asymmetry after injection, headaches, haematoma, which disappeared in one week.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"11 2","pages":"e2"},"PeriodicalIF":0.0,"publicationDate":"2020-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/6e/ba/jomr-11-e2.PMC7393930.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38244615","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: 14
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