Aichi Gakuin Daigaku Shigakkai shi最新文献

{"title":"[Two case reports of maxillary prognathism. Some considerations of treatment for different facial type cases].","authors":"T Kajiwara,&nbsp;S Tanaka,&nbsp;S Goto,&nbsp;T Negoro","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Generally, prognathism has been just identified as a large overjet. However, for the purposes of treatment, it should be noticed that different facial types are included in this malocclution. Facial pattern is classified into 2 groups; dolico and brachio facial types. The dolico facial type is generally a high angle case. It has a weaker natural anchorage than the brachio facial type. Consequently, it has a downward component in its mandibular growth. The classification of the two different facial types of maxillary prognathism would influence orthodontic treatment. When deciding on the treatment, the differences between the two facial types--in type of anchorage, growth direction, and control of toothaxis--should be taken into account.</p>","PeriodicalId":75458,"journal":{"name":"Aichi Gakuin Daigaku Shigakkai shi","volume":"28 4","pages":"1159-70"},"PeriodicalIF":0.0,"publicationDate":"1990-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13289860","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}

{"title":"[Frequency of food intake of dentulous and complete denture wearers].","authors":"M Hatori,&nbsp;T Kawaguchi,&nbsp;T Mori,&nbsp;T Ono,&nbsp;T Mizuno,&nbsp;T Ishikawa,&nbsp;K Tanaka,&nbsp;Y Naka,&nbsp;A Machino,&nbsp;T Sakagami","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The study was carried out on 1466 subjects, whose ages ranged from 20 to 80 years of age, of whom 1181 were dentulous and 285 were complete dentures. We studied the frequency with which the 1466 cases partook of food. The results were as follows: 1) Ingested foods were classified into 10 groups along with the frequency with which they were ingested on a yearly seasonal basis. Food groups were classified as follows: vegetables, grain, sea food, beans, meat, seaweed, potatoes, fruits, etc. 2) The Ingested foods of the dentulous group were similar to those of the complete denture wearers. 3) In all age groups the foods most ingested were: steamed rice, wakame, tofu, bread, scallions, Japanese omelette, and tomatoes. 4) The younger subjects (20 to 39 years) statistically ate significantly lower amounts of steamed rice than did the older age groups. 5) The younger generation ate more meat, while the older groups ate more sea food.</p>","PeriodicalId":75458,"journal":{"name":"Aichi Gakuin Daigaku Shigakkai shi","volume":"28 4","pages":"1259-66"},"PeriodicalIF":0.0,"publicationDate":"1990-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13290491","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}

{"title":"[Basic investigation using K6 diagnostic system. 3. Fabrication of the apparatus wearing a Sensor Alley and the evaluation of its accuracy].","authors":"E Aida,&nbsp;S Imamura,&nbsp;K Kurosu","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Unlabelled: </strong>An investigation was undertaken to evaluated the accuracy of Sensor Alley, a mandibular movement analyser: K6 Diagnostic System EX with a newly designed auxiliary apparatus.</p><p><strong>Results: </strong>1) The errors in the values of the standard Sensor Alley were 4.8 mm for the VER-coordinate, 5.0 mm for the AP-coordinate and 3.0 mm for LA-coordinate. 2) The errors of the AP-coordinate were bigger than those of the VER and LA-coordinates. 3) The errors in the values of the standard Sensor Alley fitted with a newly designed auxiliary apparatus were 0.9 mm for the VER-coordinate, 2.0 mm for the AP-coordinate and 1.1 mm for the LA-coordinate. 4) The results led to the conclusion that this newly designed auxiliary apparatus was useful for various studies on mandibular movement used with the K6 Diagnostic System EX.</p>","PeriodicalId":75458,"journal":{"name":"Aichi Gakuin Daigaku Shigakkai shi","volume":"28 3","pages":"797-802"},"PeriodicalIF":0.0,"publicationDate":"1990-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13289447","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}

{"title":"[Experimental studies in the healing process of the rats tongue after Nd:YAG contact laser irradiation. Scanning electron microscopic observation].","authors":"A Ishihara","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The Nd:YAG laser is useful in clinical oral surgery because of its superior hemostatic and coagulating effects. The purpose of this study was to examine the healing process of the tongue wounds caused by the Nd:YAG contact laser. A scanning electron microscope (SEM) was used, focusing mainly on the papillae filiformes of the tongue, and the results were compared with the pathological findings. The laser's effect on the microcirculatory network and the healing process were observed using the injection replica scanning electron microscope method. One hundred and eighty nine male Wistar rats were used in the experiment. Irradiation condition were 3, 6, 9 and 12-W for 1.0 second. The rats were sacrificed immediately after irradiation and on the 1st, 4th, 7th, 10th, 14th, 21st, 28th and 56th days after irradiation. The results were as follows. Pathological observations; Immediately after irradiation, the 3-W wound was observed below the lamina propria. The 6-W and 9-W wounds were observed from the upper musculi transversus linguae to the near center. The 12-W wound was observed to the center of the musculi transversus linguae. SEM observations; In the case of the 3-W wound, on the 7th day, normal epithelization was largely complete and there was a mucosal bulge which appeared to be regenerating papillae filiformes at the edge of the wound. On the 28th day, regenerated papillae filiformes were observed over the entire surface of the wound. The similar healing process was observed for the 6, 9 and 12-W wounds. However, in the cases of the 6-W and 9-W wounds the regenerated papillae filiformes were morphologically different from the original ones. In the case of the 12-W wound, on the 56th day regenerated papillae filiformes were observed around the edge of the wound but not in the center. Injection replica SEM observations; Concerning the effect of contact laser irradiation (6-W) on the tongue's microcirculatory network, the blood vessels at the edge of the wound were cut straight off, which suggested that they had been cauterized. Observations of the network during the healing of the wound showed that capillary loops had been restored and were related to the papillae filiformes.</p>","PeriodicalId":75458,"journal":{"name":"Aichi Gakuin Daigaku Shigakkai shi","volume":"28 3","pages":"895-912"},"PeriodicalIF":0.0,"publicationDate":"1990-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13289329","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}

{"title":"[Comparisons of effects of vitamin D3 metabolites on mineralization: utilization of incisor dentin in parathyroidectomized rats].","authors":"S Matsumoto,&nbsp;M Yamaguchi,&nbsp;M Arai,&nbsp;A Togari,&nbsp;H Matsui,&nbsp;S Tajima,&nbsp;M Kohsaka,&nbsp;M Kawai","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The rat incisor is continuously growing throughout the animal's life recording the state of mineralization within its dentin at all times. Therefore, it was assumed that the incisor dentin was suitable material for studying the effects of various drugs on such mineralization. The present study set out to examine the effects of vitamin D3 metabolites on the remineralization of dentin and the serum calcium level in parathyroidectomized (PTX) rats. Male Wistar rats weighing about 200-250 g were parathyroidectomized. Each rat was given daily 12 g of a synthetic diet containing 0.1% Ca and 0.4% P (normal P) or 0.06% P (P deficient) without vitamin D. Exp. I: Three groups of rats given a normal P diet were orally administered vehicle, 25 (OH) D3 (50 IU/rat) or 1,25 (OH)2D3 (5 IU/rat) for 5 days from the 28th day after PTX, respectively. Exp. II: Two groups of rats given a normal P diet or a P deficient diet were further divided into 4 sub-groups and intramuscularly administered 0, 5,000, 10,000 or 20,000 IU of vitamin D3 on the 9th day after PTX, respectively. The active vitamin D3, 1,25 (OH)2D3 restored the mineralization of the dentin which had been suppressed following PTX, and elevated the serum calcium level to about 9 mg/dl. However, the 25 (OH) D3 neither restored the mineralization of the dentin nor elevated the serum calcium level in the PTX rats. At doses below 1,000 IU, vitamin D3 could not restore the mineralization of the dentin. However, at massive doses above 5,000 IU, the mineralization was restored in proportion to the dose. The serum calcium levels also increased in proportion to the dose. It is assumed that the increase of the serum calcium level was mainly due to the enhancement of calcium absorption from the intestine by vitamin D3. Both remineralization of the incisor dentin and increase of the serum calcium level were more marked in groups of rats given a P deficient diet than in those given a normal P diet. In all cases in the present experiments, the degree of mineralization of the dentin seemed to correspond with the degree of elevation of the serum calcium levels. These results suggest that the remineralization of the dentin in the PTX rats was attributable to the effect of the vitamin D3 metabolites on serum calcium regulation. Relative biological activities of 1,25 (OH)2D3, 25 (OH) D3 and vitamin D3 on the remineralization of dentin were estimated to be 1, less than 0.02 and less than 0.001, respectively.</p>","PeriodicalId":75458,"journal":{"name":"Aichi Gakuin Daigaku Shigakkai shi","volume":"28 3","pages":"785-96"},"PeriodicalIF":0.0,"publicationDate":"1990-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13124837","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}

{"title":"[A study on the outer shape of full cast crown. 1. Au-Pd-Ag alloy].","authors":"H Murakami,&nbsp;S Takehana,&nbsp;T Abe,&nbsp;M Takenaka,&nbsp;Y Yamamoto","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Recently, as the result of much research, cast crowns with a very accurate fit are being produced, and even on the clinical level satisfactory results have been achieved. Few reports, however, have been made on the outer shapes of full cast crowns and no clear results have been obtained in this field of research. In a previous report a newly developed apparatus and method were introduced by means of which the outer shapes of wax patterns and the casting made from them can be compared and evaluated, and the apparatus and method were shown to be very accurate. In the present study, the difference in the shapes of wax patterns and castings made from them was investigated using 12% Au-Pd-Ag alloy, the alloy used for restorations as stipulated by the National Health Insurance. Also, dry and wet asbestos was used to see if this affected the shape of the castings. The results are given below: 1. When day asbestos was used, the casting were the same size as the wax patterns at the marginal areas but became smaller towards the occlusal surface. The upper surface of the castings were lower than the wax patterns, being much closer to the occlusal surface itself. 2. When the asbestos was immersed in water before using it, the diameter of the casting above the marginal area was even smaller but at the occlusal surface the height of the casting was almost the same as the wax pattern. 3. It appears that better results may be obtained by using dry asbestos because of the possibility of reducing the space between the cast crown and occlusal surface of the tooth.</p>","PeriodicalId":75458,"journal":{"name":"Aichi Gakuin Daigaku Shigakkai shi","volume":"28 3","pages":"877-86"},"PeriodicalIF":0.0,"publicationDate":"1990-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13289327","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}

{"title":"[Morphological study on growth process of primary dentition having distal step of the terminal plane. 1. Growth on the average].","authors":"K Inuzuka","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Growth process was analyzed on the primary dentition having bilateral distal step of the terminal plane. Plaster models and cephalometrics of 32 cases were examined. They were taken in the following five developmental periods: Hellman's Dental Ages IIA, eruption of the first molars, eruption of the maxillary central incisors, eruption of the maxillary lateral incisors, and half a year past the eruption of the maxillary lateral incisors. The measurement of plaster models was taken on the mesiodistal crown diameter, the interdental spaces in the primary dentition, the traverse width of the dental arches, and the arch length. Cephalometric analysis was made on 21 linear items together with 6 proportional items, 18 angular items, and coordinates. For a control group, plaster models and cephalometrics of 12 cases having normal occlusion were also analyzed in the same areas as the examined group. These normal cases were chosen according to Kito's criteria of normal occlusion. Comparisons were made between the two groups and the results were as follows: 1. Growth process data obtained from the plaster models 1) There was no significant difference between the mesiodistal crown diameter of the two groups except in the mandibular deciduous central incisors. 2) Concerning the total interdental spaces from the primary canine to the opposite canine, the examined group showed longer spaces in the mandibular dentition (3.03 millimeters on the average) than the control group (1.83 millimeters on the average) (p less than 0.05). 3) Concerning the transverse width of the arches, in the maxillary dentition, the examined group showed a narrower width than the control group through all developmental periods (p less than 0.05), and in the mandibular dentition, the examined group showed wider intercanine width than the control group. However, there was no significant difference between the two groups in the growth process of the transverse width. 4) The examined group showed a longer arch length than the control group in the mandibular dentition in the period of Dental Age IIA (p less than 0.05). 2. Growth process data obtained from cephalometrics 1) Linear growth data in the skeletal pattern (1) The examined group showed a larger dimension in the total cranial base length (N-Ar), the posterior cranial base length (S-Ar), and the posterior facial height (S-Go) than the control group through all developmental periods (p less than 0.05). However, there was no significant difference between the two groups in the quantitative growth.(ABSTRACT TRUNCATED AT 400 WORDS)</p>","PeriodicalId":75458,"journal":{"name":"Aichi Gakuin Daigaku Shigakkai shi","volume":"28 3","pages":"803-27"},"PeriodicalIF":0.0,"publicationDate":"1990-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13289324","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}

{"title":"[Morphological study on growth process of primary dentition having distal step of the terminal plane. 2. Individual growth].","authors":"K Inuzuka","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In order to analyze individual growth, 10 cases which contained longitudinal data and materials were chosen out of the 32 cases with bilateral distal step that were used in the study of Part I. The control group comprised the same twelve cases that were used in Part I. Observations of plaster models were made on the eruption age and eruption sequence of the first maxillary and mandibular permanent molars and incisors, the mesiodistal crown diameter, the interdental spaces in the primary dentition, and individual growth of the maxillary intercanine width. Cephalometric analysis was made on linear and angular items in which a significant difference between the two groups was found in the study Part I: Growth on the Average. Growth patterns were classified according to profilograms. The relationship between the terminal planes and analyzed items was also discussed. The results were as follows: 1. Individual growth data obtained from plaster models 1) Concerning the eruption age of the permanent teeth, the first maxillary molars of the examined group erupted in 5.84 years on the average. In cases of the control group, 6.42 years was the average. There was a significant difference between the two groups. The maxillary and mandibular central incisors of the examined group tended to erupt slightly earlier than the control group. 2) Concerning the eruption sequence of the permanent teeth, the first maxillary molars or the mandibular central incisors erupted earliest in the examined group, and the first mandibular molars or the mandibular central incisors in the control group. 2. Individual growth data obtained from cephalometrics 1) Concerning skeletal patterns, the examined group showed a significantly larger increase of the lower facial height (NF-Me) than the control group in the period from eruption of the first molars to eruption of the maxillary central incisors. In this period, 8 out of 10 cases of the examined group and 3 out of 12 cases of the control group showed the maximal growth change. 2) Concerning denture patterns, the maxillary incisor height (Ul-NF) increased markedly in the period from eruption of the first molars to eruption of the maxillary central incisors. This was found in 8 cases of the examined group and 4 cases of the control group.(ABSTRACT TRUNCATED AT 400 WORDS)</p>","PeriodicalId":75458,"journal":{"name":"Aichi Gakuin Daigaku Shigakkai shi","volume":"28 3","pages":"829-56"},"PeriodicalIF":0.0,"publicationDate":"1990-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13289325","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}

{"title":"[Quantitative studies on wound healing of the dorsal skin of rats after Nd:YAG laser irradiation with contact method].","authors":"M Kaneko","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>This paper describes the relation between differences in output power and tissue repair in Nd:YAG laser contact irradiation. Conventionally, pathological research is carried out on tissue repair, but, this paper additionally reports the cell kinetic index measured quantitatively. For irradiation conditions, the output power at the end of the handpiece was set at 3 W, 5 W, 7 W and 9 W and exposure time for all of these was set at 1 second. The following results were obtained: 1) A difference was found between the 3 W group and the other 3 groups pathologically in the early period of wound healing. In the 5 W, 7 W and 9 W groups the output power made no particular difference. 2) Pathologically, the epithelial junction was complete in the 3 W group on the 4th day after irradiation, in the 5 W group on the 7th day and in the 7 W and 9 W groups on the 14th day. 3) Pathologically, the effect of the laser irradiation appeared to end in the 3 W group on the 14th day, in the 5 W group on the 21st day, and in the 7 W and 9 W groups on the 28th day. 4) On the 1st day after irradiation in all groups, the cell kinetic index was maximum at 0.5 mm-2.0 mm away from the wound and not at the regenerated epithelial edges. 5) In all processes for the 3 W group, the cell kinetic index was lower than the other 3 groups. But, among the 5 W, 7 W and 9 W groups there were no particular differences. 6) The cell kinetic index returned to the normal range in all fields in the 3 W and 5 W groups on the 21st day and in the 7 W and 9 W groups on the 28th day. A difference was seen between the 3 W group and the other 3 groups as a result of the cell kinetic index and pathological study. Differences related to the output power in the 5 W, 7 W and 9 W groups were not observed.</p>","PeriodicalId":75458,"journal":{"name":"Aichi Gakuin Daigaku Shigakkai shi","volume":"28 3","pages":"857-75"},"PeriodicalIF":0.0,"publicationDate":"1990-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13289326","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}

{"title":"[Clinical study on arterio-venous differences in clinical biochemical assay for infants and children at induction of general anesthesia (Enflurane-N2-O-O2). First report: liver function tests].","authors":"T Ikeda,&nbsp;T Yamada,&nbsp;M Yamada,&nbsp;Y Okumura,&nbsp;S Fukuoka,&nbsp;M Fujimoto,&nbsp;K Konagaya","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The arterial blood is often drawn during general anesthesia to measure many biochemical parameters, and, outside the operative period, those parameters are measured mainly in the venous blood. In this way, the A-V differences (the differences between the data from the arterial blood and those from the venous blood) will be found. However, there are few reports about the A-V difference in infants and children. The purpose of this investigation was to compare the arterial blood data with the venous data at the induction of general anesthesia (Enflurane-N2O-O2). In this report, Plasma total bilirubin concentration (by the Michaëlson method), GOT activity, GPT activity (by the Karmen method), gamma-GTP activity (by the gamma-glutamyl CPA substrate method) and pseudocholinesterase activity (by the Shibata-Takahashi method) were measured with both the arterial (from the radial Artery) and the venous samples (from the saphena Magna), in 60 cases of infants and children who had no systemic disease. They were divided into three groups according to age. (Group I: three months old to one year old, Group II: one year old to three years old, and Group III: three years old to six years old.) Each group consisted of 20 patients. The difference and correlation coefficients between arterial and venous measurements were analysed with the paired t-test and correlation analysis Fs = [r2(n-2)/(1-r2)]1/2. Additionally, the data was analysed with a one dimensional analysis for all Groups. In the results, the A-V difference was so small that the conclusion was reached that in these liver function tests there would be no problem in regarding arterial measurements as venous measurements.</p>","PeriodicalId":75458,"journal":{"name":"Aichi Gakuin Daigaku Shigakkai shi","volume":"28 3","pages":"887-93"},"PeriodicalIF":0.0,"publicationDate":"1990-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13289328","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}