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[An histologic and histochemical study of arteries in the stroma of oral squamous cell carcinoma]. 口腔鳞状细胞癌间质动脉的组织学和组织化学研究。
To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike Pub Date : 1989-06-01
A Triantafyllou
{"title":"[An histologic and histochemical study of arteries in the stroma of oral squamous cell carcinoma].","authors":"A Triantafyllou","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A microscopical study of 175 oral squamous cell carcinomas demonstrated that 12% of the tumors showed small arteries in their stroma. The arteries occurred most frequently around the infiltrative border of the tumors. Focal intimal thickening was a common feature, while duplication of the internal elastic lamina or obliteration of the lumen appeared more rarely. The intimal thickenings consisted mainly of glycosaminoglycans, a fact supporting the hypothesis that they represented early atherosclerotic lesions. On the contrary, the duplication of the elastic lamina could be attributed to age-related changes. The complete closure of the lumen was brought about by a tissue rich in sulphated glycosaminoglycans; the uncertain pathogenetic mechanisms of endarteritis obliterans probably accounted for the development of this tissue.</p>","PeriodicalId":77643,"journal":{"name":"To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike","volume":"4 2","pages":"97-100"},"PeriodicalIF":0.0,"publicationDate":"1989-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13781309","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: 0
[Clinical use of osseointegrated two-phase implant systems]. [骨整合两期种植系统的临床应用]。
To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike Pub Date : 1989-06-01
P N Bochlogyros
{"title":"[Clinical use of osseointegrated two-phase implant systems].","authors":"P N Bochlogyros","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The Intramobile Cylinder (IMZ) two-stage osseointegrated implant system is unique. The IMZ implant system incorporates a Derlin, intramobile element (IME) which simulates the periodontal ligament of the natural tooth unit. This shock-absorbing element distributes stress and functional load in a physiological manner so that the semi-edentoulous patient may be reconstructed by splinting to the adjacent natural teeth. This article discusses the IMZ implant system, its surgical insertion and its clinical use.</p>","PeriodicalId":77643,"journal":{"name":"To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike","volume":"4 2","pages":"53-60"},"PeriodicalIF":0.0,"publicationDate":"1989-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13842555","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: 0
[The role of orthodontics and maxillofacial surgery in the treatment of severe dentoskeletal anomalies]. [正畸颌面外科在严重牙骨畸形治疗中的作用]。
To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike Pub Date : 1989-06-01
N B Haralabakis
{"title":"[The role of orthodontics and maxillofacial surgery in the treatment of severe dentoskeletal anomalies].","authors":"N B Haralabakis","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>So far the majority of patients with severe dento-facial discrepancies is been treated unfortunately in our country either by orthodontics or by surgery alone. Either way the improvement of dental occlusion and facial esthetics is far behind in excellence because of the nature and peculiarities of these malocclusions. Four cases of patients with severe dento-skeletal anomalies are presented in this paper two of which were treated by orthodontics and the other two by surgery alone. The diagnostic data of each patient before and right after the treatment procedure are described in detail with special emphasis in the cephalometric analysis of the lateral x-ray. The type, the problem and the treatment results in every one of these patients is followingly discussed and criticized. The clear distinction of the possibilities and limitations of both orthodontic and surgical methods compulsively imposes the need for close cooperation and coordination of the two specialties for the successful approach of these discrepancies.</p>","PeriodicalId":77643,"journal":{"name":"To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike","volume":"4 2","pages":"75-86"},"PeriodicalIF":0.0,"publicationDate":"1989-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13783284","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: 0
[Isolated fractures of the zygomatic arch]. [孤立性颧弓骨折]。
To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike Pub Date : 1989-06-01
C Dimitriu, K Antoniadis, V Symeonidis, K Vahtsevanos, K Triaridis
{"title":"[Isolated fractures of the zygomatic arch].","authors":"C Dimitriu,&nbsp;K Antoniadis,&nbsp;V Symeonidis,&nbsp;K Vahtsevanos,&nbsp;K Triaridis","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Out of 245 cases of zygomatic complex fractures which have been treated during 1978-1987, 20 were isolated zygomatic arch fractures. The analysis of the cases showed that the causing factors had been direct violence due to fight, sport and traffic accidents. It had been proved that these fractures are not very rare. Evaluation and treatment must be in time. Reduction of the fracture with the Ginestet hook and the Gillies method offer the most promising therapeutic results as it has been showed through this study.</p>","PeriodicalId":77643,"journal":{"name":"To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike","volume":"4 2","pages":"87-90"},"PeriodicalIF":0.0,"publicationDate":"1989-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13783285","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: 0
[Determination of absorbed doses of radiation during lateral cephalometric radiography]. [侧位头颅x线摄影中辐射吸收剂量的测定]。
To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike Pub Date : 1989-06-01
A J Patsakas, C N Donta, K D Tsiklakis
{"title":"[Determination of absorbed doses of radiation during lateral cephalometric radiography].","authors":"A J Patsakas,&nbsp;C N Donta,&nbsp;K D Tsiklakis","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The aim of this study was to determine the absorbed doses of radiation in skin and deeper tissues as well as in critical organs, in vitro. For this purpose were used: a Siemens Orthoceph-10 cephalometric unit; a tissue equivalent Phantom head, type Rando; 43 thermoluminescencent dosimeters (T.L.D.), rare earth screens type, Siemens titan ZHS and Dupont Cronex-4 films 24 x 30 cm. Of the 43 T.L.D. 21 were places on the skin head, face and neck surface and 22 were places in deeper tissues and organs, and the exposure parameters were: 77 Kvp, 12 mA and 0.8 sec. The results of this study showed that: 1. doses on the left side towards focus were greater than the right side. 2. surface skin doses were ranged between 0.10 to 0.21 mGy. 3. Doses in deeper tissues or organs were varied and depended on the location and the consistency of tissue and were greater than the surface skin doses. Comparing our results with the results of other studies we can conclude that dose reduction to patient, can be achieved with use of rare earth screens in combination with fast speed film and the use of low exposure parameters.</p>","PeriodicalId":77643,"journal":{"name":"To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike","volume":"4 2","pages":"91-5"},"PeriodicalIF":0.0,"publicationDate":"1989-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13781308","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: 0
[Residual deformities corrected by combined craniomaxillofacial procedures]. [颅颌面联合手术矫正残余畸形]。
To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike Pub Date : 1989-06-01
G Panos, P N Bochlogyros
{"title":"[Residual deformities corrected by combined craniomaxillofacial procedures].","authors":"G Panos,&nbsp;P N Bochlogyros","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>We present a case that have been involved in a severe traffic accident, with the following residual deformities in the Craniomaxillofacial region: Absence of the major part of the frontal bone which had been fractured and its small remained (infected) fragments removed by the neurosurgeons and an open bite, as a result of mal-united jaw fractures, due to inadequate primary treatment because confrontation of more serious and life threatening injuries imposed precedence. The open bite was corrected by bimaxillary orthognathic surgery (Le Fort I and sagittal splitting) and the residual absence of the frontal bone was reconstructed by onlay split rib-grafts. We present the accomplished results.</p>","PeriodicalId":77643,"journal":{"name":"To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike","volume":"4 2","pages":"69-74"},"PeriodicalIF":0.0,"publicationDate":"1989-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13783283","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: 0
[Combination of plastic and orthognathic procedures, for the surgical correction of the hemifacial microsomia]. [结合整形和正颌手术，用于手术矫正面肌短小症]。
To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike Pub Date : 1989-03-01
G Panos, P N Bochlogyros, O Drepanides, A Mandrekas
{"title":"[Combination of plastic and orthognathic procedures, for the surgical correction of the hemifacial microsomia].","authors":"G Panos,&nbsp;P N Bochlogyros,&nbsp;O Drepanides,&nbsp;A Mandrekas","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>This syndrome is made up of a constellation of congenitally malformed facial structures which arises from the first and second branchial arches. A case of hemifacial microsomia, with the physical characteristics of unilateral left underdevelopment of the external and middle ear, mandible and zygoma is presented. The treatment took place in two stages: Firstly the auricle was reconstructed with the method of tissue expander and silicone frame and secondly the mandibular prognathism and laterognathism with sagittal splitting was corrected. We present our case and the results that have been gained by combining the modalities of plastic and orthognathic surgery.</p>","PeriodicalId":77643,"journal":{"name":"To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike","volume":"4 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"1989-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13783276","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: 0
[Primary melanoma of the oral cavity]. [口腔原发性黑色素瘤]。
To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike Pub Date : 1989-03-01
E Vairaktaris, I Iatrou, V Ragos, K Petraki, C Martis
{"title":"[Primary melanoma of the oral cavity].","authors":"E Vairaktaris,&nbsp;I Iatrou,&nbsp;V Ragos,&nbsp;K Petraki,&nbsp;C Martis","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Melanoma most often develops in the skin; usually at the site of a preexisting nevus. It is quite rare in the oral cavity and the maxilla is the most common location there. It appears that males between 60 and 70 years old are affected more often than females. The etiology is unknown. However the melachromatic nevus and the color of the skin are considered predisposing factors. Based on clinical and histologic criteria it is classified in three categories. Unfortunately the frequency of the occurrence of each category into the mouth separately, is inversely proportional to the prognosis. The 5 year survival rate of intraoral melanoma does not exceed 5-9%. The treatment of melanoma is surgical and comprises radical excision of the lesion and radical neck dissection. Radiotherapy and chemotherapy do not seem to contribute to the treatment. We present our experience of two patients with melanoma of the maxilla. In one case submandibular lymphadenopathy had already been established and a radical neck dissection was performed. In the other case subtotal maxillectomy was performed with intraoral approach.</p>","PeriodicalId":77643,"journal":{"name":"To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike","volume":"4 1","pages":"31-6"},"PeriodicalIF":0.0,"publicationDate":"1989-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13783279","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: 0
[X-ray analysis of calculi from human salivary glands]. [人类唾液腺结石的x射线分析]。
To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike Pub Date : 1989-03-01
P N Bochlogyros, P Kanakis
{"title":"[X-ray analysis of calculi from human salivary glands].","authors":"P N Bochlogyros,&nbsp;P Kanakis","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In this study calculi from human submandibular salivary glands were examined with the method of fluorescence and diffraction of X-rays, as well as the radiocrystallographique method. Beside the already known substances, a significant amount of iodine was found. It is the first time that iodine is found as component of calculi of the human salivary glands. The patients history (thyroid glands etc) didn't give an explanation for the presence of iodine.</p>","PeriodicalId":77643,"journal":{"name":"To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike","volume":"4 1","pages":"21-3"},"PeriodicalIF":0.0,"publicationDate":"1989-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13783277","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: 0
[Histochemical study on the mucosubstances of the calculi of the main excretory duct of the human submandibular gland]. [人颌下腺主排泄管结石黏液物质的组织化学研究]。
To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike Pub Date : 1989-03-01
A Epivatianos, D Antoniadis, T Iliadis, P Papanayotou
{"title":"[Histochemical study on the mucosubstances of the calculi of the main excretory duct of the human submandibular gland].","authors":"A Epivatianos,&nbsp;D Antoniadis,&nbsp;T Iliadis,&nbsp;P Papanayotou","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The consideration that mucosubstances act as sites of nucleation and salivary calculi growth prompted to this investigation. Nine calculi of the main excretory duct of the submandibular gland were decalcified and routinely embedded in paraffin. From the blocks serial sections were cut and stained with haematoxylin and eosin and the subsequent histochemical methods for mucosubstances. 1) Alcian Blue-PAS. 2) High Iron Diamine-Alcian Blue. 3) Alcian Blue with critical electrolyte concentration. 4) Alcian Blue before and after testicular hyaluronidase digestion. 5) Acrolein-Thionin-Shiff-PAS 6) Toluidine Blue. Neutral and acid glycoproteins originated from the submandibular gland were predominated in the organic matrix. Glycosaminoglycans probably originated from the connective tissue were detected in the outer areas of the organic matrix. In the central and peripheral parts of 3 salivary calculi spheroid bodies, 1-30 in diameter, were present. The spheroid bodies were unstained with all the histochemical methods for mucosubstances. It is possible the glycoproteins of the submandibular gland to act as nucleating sites in the formation of calculi or, to be passive constituents which are bound by the already formed crystals of the calculi.</p>","PeriodicalId":77643,"journal":{"name":"To Helleniko periodiko gia stomatike & gnathoprosopike cheirourgike","volume":"4 1","pages":"15-20"},"PeriodicalIF":0.0,"publicationDate":"1989-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13629547","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: 0
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