Frontiers of oral physiology最新文献

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Stability and Retention. 稳定性和保持性。
Frontiers of oral physiology Pub Date : 2016-01-01 DOI: 10.1159/000353098
L. Will
{"title":"Stability and Retention.","authors":"L. Will","doi":"10.1159/000353098","DOIUrl":"https://doi.org/10.1159/000353098","url":null,"abstract":"Stability of tooth position in the broader sense considers all the forces that may act on the tooth. Reitan reported that significant forces remained in the periodontium after tooth movement, and he carried out research that demonstrated residual stretching of the crestal periodontal fibers more than 7 months after tooth movement. Brain demonstrated that severing the fibers reduced the relapse in tooth position in dogs. Edwards published a series of papers exploring the effects of surgical transection of the gingival fibers on tooth stability, recommending that circumferential fiberotomy be performed in order to increase posttreatment tooth stability. Other researchers have suggested ways to increase the stability of the incisors, which are typically most prone to relapse. Peck and Peck recommended that interproximal reduction be done to broaden the contact point. Boese also recommended interproximal reduction as part of a four-pronged approach to retention.","PeriodicalId":77140,"journal":{"name":"Frontiers of oral physiology","volume":"18 1","pages":"56-63"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000353098","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64660669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Surgical Methods for the Acceleration of the Orthodontic Tooth Movement. 加速正畸牙齿移动的外科方法。
Frontiers of oral physiology Pub Date : 2016-01-01 DOI: 10.1159/000382051
K. Almpani, A. Kantarcı
{"title":"Surgical Methods for the Acceleration of the Orthodontic Tooth Movement.","authors":"K. Almpani, A. Kantarcı","doi":"10.1159/000382051","DOIUrl":"https://doi.org/10.1159/000382051","url":null,"abstract":"Surgical techniques for the acceleration of the orthodontic tooth movement have been tested for more than 100 years in clinical practice. Since original methods have been extremely invasive and have been associated with increased tooth morbidity and various other gaps, the research in this field has always followed an episodic trend. Modern approaches represent a well-refined strategy where the concept of the bony block has been abandoned and only a cortical plate around the orthodontic tooth movement has been desired. Selective alveolar decortication has been a reproducible gold standard to this end. Its proposed mechanism has been the induction of rapid orthodontic tooth movement through the involvement of the periodontal ligament. More recent techniques included further refinement of this procedure through less invasive techniques such as the use of piezoelectricity and corticision. This chapter focuses on the evolution of the surgical approaches and the mechanistic concepts underlying the biological process during the surgically accelerated orthodontic tooth movement.","PeriodicalId":77140,"journal":{"name":"Frontiers of oral physiology","volume":"18 1","pages":"92-101"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000382051","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64788222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
Neurologic Regulation and Orthodontic Tooth Movement. 神经调节与正畸牙齿运动。
Frontiers of oral physiology Pub Date : 2016-01-01 DOI: 10.1159/000351900
S. Kyrkanides, Hechang Huang, R. D. Faber
{"title":"Neurologic Regulation and Orthodontic Tooth Movement.","authors":"S. Kyrkanides, Hechang Huang, R. D. Faber","doi":"10.1159/000351900","DOIUrl":"https://doi.org/10.1159/000351900","url":null,"abstract":"Pain and discomfort are prevalent symptoms among the vast majority of patients with fixed orthodontic appliances and is the most disliked aspect of treatment. The periodontium is a highly innervated structure that also provides the necessary trophic factors, such as nerve growth factor, which promote neuronal survival, maintenance and axonal growth, via interaction with specific nerve surface receptors, such as TrkA. Various types of nerves are found in the periodontium, including thinly myelinated and unmyelinated sensory fibers that express the neuropeptides substance P and calcitonin gene-related peptide among others. Tooth movement activates peripheral sensory nerve endings, which transmit painful signals to the brain after being processed at the trigeminal spinal nucleus, resulting in local expression of pain related genes, such as c-Fos. Concurrently, an attendant inflammatory process is detected in the trigeminal spinal nucleus, including activation of astrocytes, microglia and neurons. This complex neurologic reaction to tooth movement mediates orthodontic pain and also serves a source of neurogenic inflammation exhibited in the trigeminal spinal nucleus and the periodontium. Activated periodontal sensory fibers release neuropeptides in the periodontal environment, which in turn induce a local inflammatory cascade aiding in alveolar bone turnover and tooth movement per se. Control of pain with nonsteroidal anti-inflammatory drugs and other prescription or over-the-counter pain killers effectively reduce this neurologic reaction and alleviate the attendant pain, but also reduce the neurogenic inflammatory component of orthodontic tooth movement causing a slowdown in bone turnover and consequently delaying orthodontic treatment.","PeriodicalId":77140,"journal":{"name":"Frontiers of oral physiology","volume":"18 1","pages":"64-74"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000351900","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64658833","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Conclusion and Future Directions. 结论和未来方向。
Frontiers of oral physiology Pub Date : 2016-01-01 DOI: 10.1159/000351910
A. Kantarcı, Stephen Yen, L. Will
{"title":"Conclusion and Future Directions.","authors":"A. Kantarcı, Stephen Yen, L. Will","doi":"10.1159/000351910","DOIUrl":"https://doi.org/10.1159/000351910","url":null,"abstract":"Pulse-based sputter deposition processes have received considerable interest during the past decade because of the benefits this technology has been observed to offer over more conventionally employed sinusoidal (AC and RF) based technologies. The aim of this monograph has been to offer a guide for those interested in employing pulse-based sputter deposition processes. These processes include pulsed sputter deposition and pulsed bias sputter deposition. A central issue when considering why pulse-based technologies can be more beneficial than AC or RF based technologies is the energy of the ionic flux extracted from the plasma to a powered electrode. The central conclusion to be taken from this monograph is the shape of the applied bias (the amplitude, the frequency, and the duty) plays a critical role in dictating the energy of the ions from the plasma.","PeriodicalId":77140,"journal":{"name":"Frontiers of oral physiology","volume":"18 1","pages":"130"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000351910","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64659747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 21
Regional Acceleratory Phenomenon. 区域加速现象。
Frontiers of oral physiology Pub Date : 2016-01-01 DOI: 10.1159/000351897
Carlalberta Verna
{"title":"Regional Acceleratory Phenomenon.","authors":"Carlalberta Verna","doi":"10.1159/000351897","DOIUrl":"https://doi.org/10.1159/000351897","url":null,"abstract":"The regional acceleratory phenomenon (RAP) is a tissue reaction to a noxious stimulus that increases the healing capacities of the affected tissues. It is typical not only of hard tissues such as bone and cartilage, but also of soft tissues. The RAP is characterized by acceleration of the normal cellular activities, as an 'SOS' phenomenon of the body that has to respond to the new perturbation. In the alveolar bone, the RAP is characterized, at a cellular level, by increased activation of the basic multicellular units (BMUs), thereby increasing the remodeling space. At the tissue level, the RAP is characterized by the production of woven bone, with the typical unorganized pattern, that will be reorganized into lamellar bone at a later stage. In the alveolar bone, the RAP occurs typically in the healing process of the alveolar sockets after tooth extraction, in periodontal disease, after surgery and trauma and during orthodontic tooth movement. In relation to orthodontic tooth movement, the RAP can be seen as a tissue response to the mechanical cyclical perturbation that induces the formation of microdamage that has to be removed to avoid their accumulation and the following bone failure. The adaptation to the new orthodontically induced mechanical environment is ensured by an increased activation of the BMU that returns to normal levels after few months.","PeriodicalId":77140,"journal":{"name":"Frontiers of oral physiology","volume":"18 1","pages":"28-35"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000351897","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64658382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 93
Nonsurgical Methods for the Acceleration of the Orthodontic Tooth Movement. 加速正畸牙齿移动的非手术方法。
Frontiers of oral physiology Pub Date : 2016-01-01 DOI: 10.1159/000382048
K. Almpani, A. Kantarcı
{"title":"Nonsurgical Methods for the Acceleration of the Orthodontic Tooth Movement.","authors":"K. Almpani, A. Kantarcı","doi":"10.1159/000382048","DOIUrl":"https://doi.org/10.1159/000382048","url":null,"abstract":"While acceleration of the orthodontic tooth movement by surgical techniques has been shown to be effective for decades, noninvasive and nonsurgical methods have always been preferred by both the clinicians and the patients. These techniques have ranged from application of biological molecules to innovative technologies such as resonance vibration, cyclic forces, light electrical currents, magnetic field forces, low-intensity laser irradiation and low-level light therapy. Endogenously produced biologicals have been tested based on their roles in the turnover of alveolar bone in response to orthodontic tooth movement as well as during wound healing. The premise behind this approach is that these exogenously applied compounds will mimic their counterparts produced in vivo. Meanwhile, technologies tested so far target these pathways for the acceleration of the orthodontic tooth movement. All these approaches have shown favorable outcomes with varying success. This chapter presents the current knowledge and a discussion over their limitations with an emphasis on the mechanism of action for each technique.","PeriodicalId":77140,"journal":{"name":"Frontiers of oral physiology","volume":"18 1","pages":"80-91"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000382048","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64787712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 30
Tgf-beta regulation of suture morphogenesis and growth. tgf - β对缝线形态发生和生长的调控。
Frontiers of oral physiology Pub Date : 2008-01-01 DOI: 10.1159/0000115038
J. Rawlins, L. Opperman
{"title":"Tgf-beta regulation of suture morphogenesis and growth.","authors":"J. Rawlins, L. Opperman","doi":"10.1159/0000115038","DOIUrl":"https://doi.org/10.1159/0000115038","url":null,"abstract":"Premature suture obliteration results in an inability of cranial and facial bones to grow, with resulting craniofacial dysmorphology requiring surgical correction. Understanding the biological signaling associated with suture morphogenesis will enable less invasive treatment of patients with fused sutures, combined with therapy using biological molecules. While a number of advances have been made in identifying the genetic etiologies of various craniosynostotic syndromes, the pathogenesis of this condition is still not completely understood. Recently, it has been shown that differential expression of various transforming growth factor-beta (Tgf-beta) isoforms plays a crucial role in regulating suture patency once the sutures have formed. It has also been shown that differential expression of Tgf-beta isoforms may also play a role in craniosynostosis by altering proliferation, differentiation, and apoptosis within the suture. This chapter focuses on the role of Tgf-beta in suture morphogenesis and growth, exploring Tgf-beta biology, receptors, signaling pathways, animal models, and expression in both normal and pathological sutures.","PeriodicalId":77140,"journal":{"name":"Frontiers of oral physiology","volume":"52 1","pages":"178-96"},"PeriodicalIF":0.0,"publicationDate":"2008-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64393788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
Genetics of craniosynostosis: genes, syndromes, mutations and genotype-phenotype correlations. 颅缝闭锁的遗传学:基因、综合征、突变和基因型-表型相关性。
Frontiers of oral physiology Pub Date : 2008-01-01 DOI: 10.1159/0000115035
M. Passos-Bueno, Andr Eacute A L Serti Eacute, F. Jehee, R. Fanganiello, E. Yeh
{"title":"Genetics of craniosynostosis: genes, syndromes, mutations and genotype-phenotype correlations.","authors":"M. Passos-Bueno, Andr Eacute A L Serti Eacute, F. Jehee, R. Fanganiello, E. Yeh","doi":"10.1159/0000115035","DOIUrl":"https://doi.org/10.1159/0000115035","url":null,"abstract":"Craniosynostosis is a very heterogeneous group of disorders, in the etiology of which genetics play an important role. Chromosomal alterations are important causative mechanisms of the syndromic forms of craniosynostosis accounting for at least 10% of the cases. Mutations in 7 genes are unequivocally associated with mendelian forms of syndromic craniosynostosis: FGFR1, FGFR2, FGFR3, TWIST1, EFNB1, MSX2 and RAB23. Mutations in 4 other genes, FBN1, POR, TGFBR1 and TGFBR2, are also associated with craniosynostosis, but not causing the major clinical feature of the phenotype or with an apparently low penetrance. The identification of these genes represented a great advance in the dissection of the genetics of craniosynostosis in the last 15 years, and today they explain the etiology of about 30% of the syndromic cases. The paucity in the identification of genes associated with this defect has partly been due to the rarity of familial cases. In contrast, very little is known about the molecular and cellular factors leading to nonsyndromic forms of craniosynostosis. Revealing the molecular pathology of craniosynostosis is also of great value for diagnosis, prognosis and genetic counseling. This chapter will review (1) the chromosomal regions associated with syndromic forms of the malformation, (2) the genes in which a large number of mutations have been reported by independent studies (FGFR1, FGFR2, FGFR3, TWIST1 and EFNB1) and (3) the molecular mechanisms and genotype-phenotype correlations of such mutations.","PeriodicalId":77140,"journal":{"name":"Frontiers of oral physiology","volume":"12 1","pages":"107-43"},"PeriodicalIF":0.0,"publicationDate":"2008-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64394080","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 151
Locate, condense, differentiate, grow and confront: developmental mechanisms controlling intramembranous bone and suture formation and function. 定位、凝聚、分化、生长和对抗:控制膜内骨和缝合线形成和功能的发育机制。
Frontiers of oral physiology Pub Date : 2008-01-01 DOI: 10.1159/0000115030
D. Rice, R. Rice
{"title":"Locate, condense, differentiate, grow and confront: developmental mechanisms controlling intramembranous bone and suture formation and function.","authors":"D. Rice, R. Rice","doi":"10.1159/0000115030","DOIUrl":"https://doi.org/10.1159/0000115030","url":null,"abstract":"The key mechanisms controlling where and when craniofacial bones and hence sutures form are discussed in this review. These include the formation and growth of skeletogenic condensations, tissue to tissue interactions between the epithelium, skeletogenic mesenchyme and the underlying dural and neural tissues. Also discussed are the key processes determining intramembranous bone growth, namely osteoblastogenesis and osteoclastogenesis.","PeriodicalId":77140,"journal":{"name":"Frontiers of oral physiology","volume":"12 1","pages":"22-40"},"PeriodicalIF":0.0,"publicationDate":"2008-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64393859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 27
The Bmp pathway in skull vault development. 颅骨拱顶发育中的Bmp通路。
Frontiers of oral physiology Pub Date : 2008-01-01 DOI: 10.1159/0000115042
R. Maxson, M. Ishii
{"title":"The Bmp pathway in skull vault development.","authors":"R. Maxson, M. Ishii","doi":"10.1159/0000115042","DOIUrl":"https://doi.org/10.1159/0000115042","url":null,"abstract":"The Bmp pathway is of critical importance in the development of the skull vault. Analysis of gain and loss of function phenotypes of Bmp pathway effectors, particularly Msx genes, has shown that the Bmp pathway functions in the growth of both mesodermal and neural crest-derived calvarial bones. It is required for the development of the frontal and parietal bones during the interval between the initial osteogenic mesenchymal condensations at E12.5 to the apposition of the paired frontal and parietal bones at E18.5. During postnatal development, forced expression of the Bmp inhibitor, noggin, maintains the patency of sutures, consistent with a role for the Bmp pathway in regulating suture development. The availability of conditional mutants of Bmp ligands, receptors and downstream effectors will make possible an increasingly high resolution analysis of precisely how the Bmp functions in these processes and how aberrations in its activity can contribute to pathological conditions such as familial parietal foramina and craniosynostosis.","PeriodicalId":77140,"journal":{"name":"Frontiers of oral physiology","volume":"12 1","pages":"197-208"},"PeriodicalIF":0.0,"publicationDate":"2008-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64394433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 30
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