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原稿種別: 表紙
1981 年 35 巻 1 号 p.
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発行日: 1981/05/25
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原稿種別: 表紙
1981 年 35 巻 1 号 p.
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豊島 邦昭, 嶋村 昭辰
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1981 年 35 巻 1 号 p.
1-4
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ヒト(9才, 男性)の有郭乳頭の溝に面する対側上皮にみられる粘液細胞と線毛細胞を, 走査電子顕微鏡で観察した.線毛の直径は, 約0.2μm, 長さは約6μmであった.ときに単一線毛を有する粘液細胞もみられた.単一線毛の大きさは, 直径約0.6μmで長さは12μmにも達した.有郭乳頭溝底部における線毛細胞と粘液細胞の機能的意義について, 1) 味上皮の湿潤, 2) 溝における味物質を含む唾液の循環, 3) 溝の自浄, 等が推測された.
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夕田 勉
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1981 年 35 巻 1 号 p.
5-38
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竹中 栄子, 黒木 賀代子, 大住 伴子, 村上 雄次, 吉村 泰治
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1981 年 35 巻 1 号 p.
39-45
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For the purpose of studying the progressive change in inflammatory potential of FC, the skin irritative reactions to stale FC was compared with that to fresh FC or stale cresol with use of liquefied phenol as positive control. The samples were fresh FC prepared immediately before the test, four kinds of stale FC and two kinds of stale cresol which had been kept in the various conditions for from 16 to 39 months, liquefied phenol (J.P.) and normal salin solution (J.P.). The skin irritation was tested with application of the sample on the shaved dorsal skin of male rabbits of New Zealand albino strain. The paper disc soaked with 30μl of the sample was sticked on the skin with an adhesive tape for 30 minutes, and then the die solution, 1% Evan's blue, was injected intravenously. The irritative reactions were evaluated according to the intensity of blue eruption formation and cauterization. It was showed that skin irritation to fresh FC was more intense than that to liquefied phenol or that to stale FC stored for the long term. It is presumed that inflammatory potential of FC is dependent on chemical constitution of FC, and that inflammatory potential of FC stored in unsealed containers increases temporarily prior to the rapid decrease while that of FC stored sealed containers decreases gradually.
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山田 茂正
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1981 年 35 巻 1 号 p.
46-57
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It has been mentioned that the retention of restoration obtained by the luting cement is principally due not to its adhesive characteristics but the mechanical interlocking with restoration and prepared cavity. The purpose of the present investigation is to examine the physical and mechanical properties of cements that have close relationships to the retention of inlay, such as compressive and tensile strength, knoop hardness number, disintegration and thermal expansion. The materials tested were zinc phosphate, carboxylate, resin and glass ionomer cement. Each cement was mixed on a glass slab according to the powder-liquid proportion recommended by the manufacturer and allowed to set in the mould. The physical and mechanical properties of the cements were markedly influenced by the difference of atmosphere after their setting. When the specimens were desicated in test tube for 14 days at 37℃ glass ionomer cement (Fuji, Type 1) showed the highest compressive strength (2, 500kg/cm^2). However, when it was placed in the atmosphere of 100% relative humidity, there was a marked decrease in compressive strength probably because of water absorption or dissolution of cement. The compressive strength was as low as 1, 500 kg/cm^2 under this condition. Such a decrease was also observed in tensile strength and knoop hardness number of all cements tested. In addition, the retention force of inlay may also be affected with differences in thermal expansion of tooth, metal and cement. Therefore, it is necessary to choose the cements that have thermal expansion closely matched with those of tooth and metal luted, in order to avoid the stresses at the interface. In this investigation, glass ionomer cement (Fuji, Type 1) and zinc phosphate cement (Elite) had the desirable thermal characteristics and so showed the superior retention of the inlay in the adhesion test.
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落合 俊, 落合 眞澄, 藤井 修一, 佐伯 榮一
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1981 年 35 巻 1 号 p.
58-63
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The present authors undertook to carry out a dental survey on a total of 95 male employees aged 20 to 55 years in a chemical plant where these workers have been exposed to the irritant dust and gas consisting of fluoride, acid and alkali. With the recent progress and expansion of modern industry, a variety of new and unfamilliar chemicals and engineering techniques have been introduced. Vast changes have been brought about in the working environment and operation in the factory. Various kinds of health hazards are inevitable results under such a situation. The term "Occupational disease" caused from long year-service has affected the employee either locally or generally of his peculier illness. The studies on the relationship between the occupational disease and the working environment are many. However charactor of the industrial group including the general dental disease such as dental caries, periodontal disease, etc. are still unclear. The purpose of this report is to certify above items between fluoride factory employees and control group. In the average number of DMF-T, there was no difference between the employee-group and the control. Incidence of white spot was observed in 37 of the employees examined and 45.7% to 54.3% of the upper premolars were suffering for this lesion. Defect of tooth hard tissue was observed in 16 employees among those having white spot. In the average of PMA Index, P-I and M-I, significant differences between emplyee-group and the control were found out. In the Gingival-Bone Count, employee-group showed a higher level than the control on [numerical formula], especially <1|>^^^- was a significantly higher (2.00±0.16).
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塚本 末廣
原稿種別: 本文
1981 年 35 巻 1 号 p.
64-88
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An epidemiological analysis by quantification type I was made in Japan and Korea of dental caries prevalence of deciduous teeth. The subjects for the study consisted of 128 5-year-old children at Soungsin Kindergarten, Jeonju, Korea, 124 5-year-old children at Ogura Kindergarten, Kitakyushu, Japan, and 74 children with dental caries out of 804 visited for dental examination for 18-month-old children at the West Public Health Center, Fukuoka, Japan. The analysis was made of the data from the dental examinations performed and questionaries taken. The results were as follows : 1. Dental caries prevalence of deciduous teeth in Japan and Korea, and differences in dietary habits : For Ogura Kindergarten dmf index was 10.61 and 7.43 for Soungsin Kindergarten. The index for the Japanese children was significantly higher. The Japanese children were characterized by their multiple dental caries tendency in the primary incisors. Dietary habits revealed from the questionaries showed significant differences in the nurture environment, snack-time, and the kinds and intake rate of beverages (artificial fruit juice was consumed most in Japan). 2. Analysis by quantification type I of dental caries of deciduous teeth : When dmf teeth were taken as the outside variable, the partial correlation coefficient of 'tooth brushing factor' was highest and the multiple correlation coefficient of 7 variables was 0.64843 for Ogura Kindergarten, whereas for Soungsin Kindergarten the partial correlation coefficient of 'beverage-time' was highest and the multiple correlation coefficient of 7 variables was 0.45011, which was lower than that for the Japanese. Explanatory variables were divided into three independent variable groups and the multiple correlation coefficient of each variable group in each group was determined, and the values were compared. This comparison showed that the variable group related to 'beverage factor' and dental caries of deciduous teeth in 5-year-old children were most closely related. For 18-month-old children, the partial correlation coefficient of 'timing for stopping breast feeding' was highest when dmf tooth surface was taken as the outside variable and the multiple correlation coefficient of 7 variables was 0.58280. 3. Breast milk and dental caries of deciduous teeth : Comparison of 'timing for stopping breast feeding' between the children with and without dental caries indicated that many in the dental caries group had their breast milk stopped after 12 months, whereas many in the non-caries group had theirs stopped within 12 months. Between the children breast-fed for 12 months or longer and those for 6 months or shorter (use of nursing bottle also was stopped in 6 months or shorter), the dmf tooth surface index for the children breast-fed longer was significantly higher. The foregoing analysis by quantification type I indicated the need to intensify guidance on the following two points : (1) care must be taken on manners of giving amount and frequency of intake of beverages in the early childhood, (2) appropriate timing for stopping breast feeding must be taught.
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吉村 節
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1981 年 35 巻 1 号 p.
89-97
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In order to investigate the effect of epinephrine on cerebral circulation, the circulatory response after oral injection of lidocaine with epinephrine was examined. Two percent lidocaine with 1 : 80, 000 epinephrine was injected in oral mucosa of dogs under pentobarbital anesthesia, and the changes of blood flow in the aorta, the coronary artery and the carotid artery were observed by electromagnetic flowmeter. The results were as follows : 1. The flow rate of the carotid artery decreased transiently after injection of 2% lidocaine with 1 : 80, 000 epinephrine, however the flow rate of the aorta and coronary artery increased. 2. The maximum decrease in the carotid arterial blood flow was observed 2 minutes after oral injection. 3. The decreasing rate of the carotid arterial blood flow after oral injection depended on the dose of epinephrine. 4. After 2% lidocaine with 1 : 80, 000 epinephrine injection, the plasma concentration of epinephrine increased rapidly and reached near the highest level after 2 minutes.
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楊 栄展
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1981 年 35 巻 1 号 p.
98-122
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Progressive necrosis of the mandible is often seen as an undesirable condition after a radiation therapy of malignant lesions in or near the oral cavity. It has been believed that the possibility of this complication is decreased by the preliminary extraction of the teeth that are located in the irradiation area. This opinion, however, is not universal and some radiotherapists have advocated to keep the teeth in the irradiation area. Recently, many inverstigators believe that an extraction of the teeth before a radiation therapy reduces the radiation hazard. Both opinions on the radiation hazard for mandible mainly consist of clinical impressions. There are few experimental studies on the radiation hazard which were performed to evaluate the difference between the dentulous mandible and the edentulous mandible. A series of experiments were designed to know the influence of the teeth on the radiation hazard for mandible in this study. The right mandible of adult dogs were irradiated by means of an X-radiation generator. The physical factors used were : 200kVp, 19mA, filters 0.5mm. Cu+1mm. Al, half value layer 1.5mm. Cu, target skin distance 40cm. The irradiation was given in 1000R/time/3 days, and total dose was 3000R and 6000R. The results obtained are as follows : 1) Radiation hazards for the soft tissue revealed a significant difference between the dentulous and edentulous mandibles, macroscopically. The gingiva of irradiated dentulous mandible showed an ulceration after the irradiation. Necrosis of the alveolar mucosa, buccal mucosa and skin followed an ulceration, and eventually exposure of the alveolar bone of mandible occurred. The pathologic condition progressed rapidly and a loosening and an exfoliation of the teeth or a pathologic fracture of the mandible occurred eventually. 2) In the edentulous mandible (6000R irradiated group only) an ulceration of the skin developed as the first disturbance. The tissue necrosis progressed from the skin to the buccal mucosa and gingiva. Eventually an exposure of the alveolar bone occurred but no pathologic fracture was seen in the edentulous mandible. No specific pathologic findings were seen in the 3000R irradiated edentulous mandible. 3) The early roentgenological findings in the irradiated dentulous mandible were resorption of the alveolar crest and widening of the periodontal membrane space. Another changes of bone were osteoporosis and cortical bone destruction. 4) In the edentulous mandible (6000R irradiated group only) pathologic bone condition occurred later than in the dentulous mandible, and osteosclerosis and cortical bone destruction were also seen. 5) Periosteal reaction was found roentgenologically in the 6000R irradiated dentulous and edentulous mandibles. 6) No roentgenological findings were seen in the 3000R irradiated edentulous mandible.
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岡本 幸代, 大木 達雄, 寺下 正道, 長野 三代太
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1981 年 35 巻 1 号 p.
123-128
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This research was carried out in order to investigate the effects of temperature and relative humidity on the crack of restoration of glass ionomer cement. When the glass ionomer cement was restored to a human tooth cavity, the cracks were found on the surface of its restoration. These cracks on the surface of restoration disappeared by polishing, but in a few days, they appeared again on the polished surface. The effect of varnishing on the cracks of restoration was not recognized in this research. When the temperature and relative humidity of cement filled into polyvinylchloride (PVC) resin mould did not vary, the surface cracks of restoration did not appear. And they did not occur either with an increase in relative humidity or with constant relative humidity, regardless of temperature changes. But they occurred with a swift decrease of relative humidity.
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仲西 修, 中地 進, 西 正勝, 石丸 孝則, 犬塚 毅, 高森 経義
原稿種別: 本文
1981 年 35 巻 1 号 p.
129-133
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Eighty-eight cases with cleft lip or cleft palate were operated under general anesthesia at the Hospital affiliated with Kyushu Dental College in a year from May, 1979 to April, 1980. They were statistically analyzed from the anesthesiologlc point of view in the present report. 1. In most cases, single or combined dosage of Atropine, Nitrazepam and Pentazoc in was highly effective as the preanesthesia prior to the induction. 2. Anesthesia was maintained with Eter or Pentholene during the period when Epinephrine was injected subcutaneously for the purpose of hemosfasis. Fluothane was then adopted for the rest petiod of anesthesia. No complication such as arrythmia was recognized at these stages. 3. Although cyanosis, dyspnea, apnea or vomitng were found as the complication under anesthesia, none of them reached their critical levels in any cases.
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田中 博, 亀山 嘉光, 渡辺 安人, 上三垣 晋甫, 前田 恒巳
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1981 年 35 巻 1 号 p.
134-141
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In the recent years, medical service facilities for treating maxillofacial diseases have been increasing in number as a result of the efforts to make the programs complete and substantial at the medical and dental educational facilities. The purpose of this paper was to study the movement of the patients treated at the maxillofacial surgery. Clinical and statistical observations were made of the inpatients during the past 10 years (from 1970 to 1979) at the First Department of Oral Surgery, Kyushu Dental College. The conclusions are as follows : 1. There was no change in the movement of the total number of the inpatients with an average of 256 cases a year. 2. Frequencies of main disease were as follows : congenital malformation 36.3%, inflammation 21.1%, fracture 13.0%, malignant tumor 9.4%, cystic disease 8.6%, benign tumor 4.4%, salivaly gland disease 1.4%, temporomandibular joint disease 0.4%. 3. Movement of main diseases was as follows : a. Congenital malformation is decreasing in number. b. Inflammation and fracture are increasing in nnmber. c. Malignant tumor, cystic disease and benign tumor are constant in number. 4. This study proved that the First Department of Oral Surgery contriduted toward the local medical service.
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山隈 正人, 銅城 将紘, 西村 敏道, 有松 正豊, 田中 照真, 原田 英治, 梶山 稔
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1981 年 35 巻 1 号 p.
142-146
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Ameloblastoma are generally known as epithelial tumors, and they may be formed from cell rests of dental lamina and the enamel organ, etc. But, there have been many discussions about their pathology, therapy, recurrence and metastasis. Our case is a report on a recent experience with recurrent ameloblastoma, 14 years after the initial operation. Both the initial and secondary operations revealed findings of low-grade ameloblastoma. But, granular cells were found in the latter. After the secondary operation, the patient progressed satisfactorily and a tendency to recur is not present.
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大野 彰彦, 梶山 稔, 銅城 将紘, 中村 和行, 冨田 久之, 平田 嗣正
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1981 年 35 巻 1 号 p.
147-152
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A review of the Japanese dental literature, including our case, disclosed 15 cases of Garre's osteomyelitis of the mandible. In most instances, this disease was associated with spread of infection from a carious tooth. The diagnostic significance of radiographic feature that suggests a sinus tract in the affected bony area is emphasized.
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原稿種別: 付録等
1981 年 35 巻 1 号 p.
153-
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1981 年 35 巻 1 号 p.
153-
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1981 年 35 巻 1 号 p.
153-
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1981 年 35 巻 1 号 p.
153-
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1981 年 35 巻 1 号 p.
153-
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1981 年 35 巻 1 号 p.
153-
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1981 年 35 巻 1 号 p.
153-
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1981 年 35 巻 1 号 p.
153-
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原稿種別: 付録等
1981 年 35 巻 1 号 p.
153-
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1981 年 35 巻 1 号 p.
153-
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野見山 聡, 寺下 正道, 長野 三代太, 中地 進, 石丸 孝則, 仲西 修, 西 正勝
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1981 年 35 巻 1 号 p.
153-
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石丸 孝則, 中地 進, 仲西 修, 西 正勝
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1981 年 35 巻 1 号 p.
154-
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林 恩信
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1981 年 35 巻 1 号 p.
i-
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内田 康也, 林 一郎, 豊田 静夫
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1981 年 35 巻 1 号 p.
i-ii
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泉 俊男
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1981 年 35 巻 1 号 p.
ii-
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内田 康也, 豊田 静夫, 嶋村 昭辰
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1981 年 35 巻 1 号 p.
ii-iii
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西田 宗剛
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1981 年 35 巻 1 号 p.
iii-
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山田 博, 嶋村 昭辰, 長野 三代太
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1981 年 35 巻 1 号 p.
iii-
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黄 経学
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1981 年 35 巻 1 号 p.
iv-
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梶山 稔, 野口 知雄, 上野 正康
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1981 年 35 巻 1 号 p.
iv-
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日高 里史
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1981 年 35 巻 1 号 p.
v-
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豊田 静夫, 林 一郎, 内田 康也
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1981 年 35 巻 1 号 p.
v-
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岡部 多加志
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1981 年 35 巻 1 号 p.
vi-
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梶山 稔, 野口 知雄, 上野 正康
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1981 年 35 巻 1 号 p.
vi-
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岩谷 秀明
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1981 年 35 巻 1 号 p.
vi-vii
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豊田 静夫, 林 一郎, 内田 康也
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1981 年 35 巻 1 号 p.
vii-
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向野 明甫
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1981 年 35 巻 1 号 p.
vii-viii
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山田 長敬, 上野 正康, 嶋村 昭辰
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1981 年 35 巻 1 号 p.
viii-
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安 秉根
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1981 年 35 巻 1 号 p.
viii-ix
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佐藤 通泰, 内山 長司, 中原 敏
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1981 年 35 巻 1 号 p.
ix-
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木村 福二
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1981 年 35 巻 1 号 p.
ix-x
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林 一郎, 豊田 静夫, 内田 康也
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1981 年 35 巻 1 号 p.
x-
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飯盛 康光
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1981 年 35 巻 1 号 p.
x-xi
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梶山 稔, 上野 正康, 嶋村 昭辰
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1981 年 35 巻 1 号 p.
xi-
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原稿種別: 付録等
1981 年 35 巻 1 号 p.
App1-
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