컴퓨터 영상을 이용한 임플란트 식립부위의 골밀도와 조직학적 연구

손장호,최병환,박수원,조영철,성일용,이지호,변기정,Son, Jang-Ho,Choi, Byung-Hwan,Park, Soo-Won,Cho, Yeong-Cheol,Sung, Iel-Yong,Lee, Ji-Ho,Byun, Ki-Jung 대한악안면성형재건외과학회 2009 Maxillofacial Plastic Reconstructive Surgery Vol.31 No.2

Bone density in the recipient implant site seems to be an important factor for long term success of endosseous implants. Preoperative evaluation of bone density is very helpful to assist the clinician with the treatment planning of implant therapy. Accurate information on bone density will help the surgeon identify suitable implant sites, thereby improving the success rate of the procedure. Purpose; The aim of this study was to evaluate a correlation between bone density measured preoperatively with computerized tomography and histologically measured bone density by bone biopsy. Patients and methods; Twenty seven patients were selected. All the patients were in good health, with no systemic disorder and additional bone graft. Preoperatively the patients underwent CT scanning to evaluate Houmsfield Unit(HU). Each patients wore a surgical template for implant placement. During surgery 2mm in diameter and 6mm in length specimens were taken. Histomorphometric analysis was performed using digitalized image analysis software Axiovision 4.3. Also, the Resonance frequency analysis(RFA) and insertion torque values were recorded. Results; The highest histomorphometric values was found in the posterior mandible $32.3{\pm}3.8$, followed by $29.9{\pm}2.6$ for the posterior maxilla, $29.4{\pm}2.6$ for the anterior maxilla, $28.6{\pm}2.3$ for the anterior mandible(p=0.214). The hounsfield unit was $989.2{\pm}258.1$ in the posterior mandible, $845.0{\pm}241.5$ in the anterior maxilla, $744.5{\pm}92.6$ in the anterior mandible, $697.3{\pm}136.9$ in the posterior maxilla(p=0.045). This results may suggest that there are strong correlation between the histomorphometric values and hounsfield unit(r=0.760, p<0.05). The RF measurements were $81.9{\pm}2.4$ ISQ in the posterior mandible, $79.0{\pm}1.4$ ISQ in the anterior mandible, $78.3{\pm}4.6$ ISQ in the posterior maxilla, $76.5{\pm}5.0$ ISQ in the anterior maxilla(p=0.048). The insertion torque values was $43.2{\pm}4.2\;Ncm$ in the posterior mandible, $42.0{\pm}0.0\;Ncm$ in the anterior mandible, $41.3{\pm}4.1\;Ncm$ in the posterior maxilla, $40.8{\pm}3.8\;Ncm$ in the anterior maxilla(p=0.612). This results may suggest that there are statistical significance between the hounsfield unit and the insertion torque values(r=0.494, p<0.05), the histomorphometric values and the insertion torque values(r=0.689, p<0.05). But there was no correlation between histomorphometric values and ISQ. There was no statistical significance in age and gender effect on parameters. Conclusions; There was significant correlations between bone density and implant stability parameters. The bone density measurements using preoperative CT may help clinicians to predict primary stability before implant insertion, which is associated with implant survival rates.

Ceramic 분말의 첨가가 산란계의 생산성, 맹장 및 배설물중 병원성 미생물의 수, 배설물충의 악취물질 및 난황중 지방산 조성에 미치는 영향

손장호,Son J. H. 한국가금학회 2005 韓國家禽學會誌 Vol.32 No.4

본 연구는 Ceramic분말의 첨가가 산란계의 생산성, 맹장 및 배설물중 병원성 미생물(E. coli, salmolella)의 수, 배설물 중의 악취물질$(NH_3,\;H_2S,\;VFA)$ 및 난황중 지방산 조성에 미치는 영향을 구명하기 위해서 실시하였다. 총 360수의 34주령의 산란계를 120마리씩 3처리구로 구분하여서 Ceramic 분말 $0.0\%$ (대조구), $0.4\%$ 및 $0.8\%$를 첨가한 사료로 6주 동안의 사양시험을 실시하였다. 결론적으로 34에서 40주령의 산란계 사료에 $0.4\%$의 Ceramics 분말의 첨가는 생산성 향상, 장관내 E. coli 및 Salmonella 수가 감소되어 배설물 중의 $NH_3$ 및 VFA의 발생량 감소 및 난황중의 지방산 조성을 개선시킬 가능성이 인정되었다. The purpose of this study was to evaluate the effect of dietary ceramic powder on laying performance, Pathogenic bacterial (E. coli, salmonella) counts in caecal contents and excreta, malodorous substances $(NH_3,\;H_2S,\;VFA)$ in excreta and fatty acid composition of e99 yolk in laying hens. Three hundred sixty layers at 34 weeks of age were divided into three groups of 120 hens each and each group was fed diets containing 0 (control), 0.4, or 0.8 ceramic powder for six weeks. It is concluded that $0.4\%$ ceramic powder supplementation of diets decreased of E. coli, salmonella counts in the intestine and emission of $NH_3$ and VFA gas from excreta, and improved the laying Performance and ratio of egg yolk fatty acids contents.

A Study on the Back Flow of Urine into the Ceca in Chicken

손장호,Son, Jang-Ho The Korean Society of Poultry Science 2003 韓國家禽學會誌 Vol.30 No.4

닭에서 맹장으로 尿의 역류량을 측정하기 위해서 사료급여 및 절식의 조건에서 Cecostomy(맹장으로 튜브를 삽입하는 수술) 기술이 개발되었다. 시술 이틀 뒤부터 맹장에 튜브가 장착된 닭은 20ml의 따뜻한 생리적 식염수를 이용하여 격일 간격으로 10일동안 수술부위를 환류시켰다. 맹장에 장착된 튜브와 총배설강에 외과적으로 시술된 플라스틱 채집병을 이용하여서 배설물이 매일 모아졌다. 요산 배설량은 사료 채식시가 절식시 보다 유의하게 증가하였다.(P<0.05) 맹장을 통해서 검출된 요산의 양은 사료급여시와 절식시에 각각 총 요산 배설량의 7.74, 5.31%를 나타내었다. 사후검사에서 맹장에 삽입되었던 고무튜브 주위를 둘러싸고 있는 완벽한 맹장이 확인되었다. 본 연구의 결과 수탉에서 적어도 매일 약 5%의 尿가 맹장으로 역류됨을 알 수 있었다. A cecostomy technique (surgery for inserted tube into ceca) was developed to quantify urine backflow into the ceca of fed and feed-deprived chickens. Two days post-surgery, cecostomised chickens were flushed with 20ml of warm saline solution every other day for 10 days. Excreta were collected daily from cecal tubing and cloaca by surgical attachment of polyethylene collection vessels to the chickens. Uric acid excretion was significantly increased in fed compared to feed-deprived chickens (P<0.05). Amount of determined uric acid from the ceca was 7.74% and 5.31% of total excretion for fed and ffeed-deprived chickens, respectively. Post-mortem examinations ascertained that the caeca were intact around the Latex tubing. The results of the study indicated that at least 5% of daily urine production flow retrograde into the ceca of roosters.

지렁이 분말의 급여가 계란의 품질 및 산란계의 생산성에 미치는 영향

손장호,Son J.H. 한국가금학회 2006 韓國家禽學會誌 Vol.33 No.1

A study was conducted to investigate the effect of supplementing earthworm meal(EWM) on the egg quality and performance of laying hens. A total of 360 laying hens at 55 weeks of age were fed the experimental diets containing 0(Control), 0.3 and 0.6% of EWM for 5 weeks. Eggs were collected and weighed in every day and egg production and feed conversion were weekly recorded. However egg quality were measured fer last week of experimental period. When fed both 0.3 and 0.6% of EWM, egg production and daily egg mass tended to increase but were not different between those treatments. Feed intake and feed conversion ratio of laying hens were not different among three groups. Egg shell thickness, breaking strength, color and egg yolk color were tend to improve in both 0.3 and 0.6% of EWM compared to those of control. The haugh units(HUs) showed no difference among each treatments at 14 after laying egg, but increased in EWM treatments compared to control for storage period. As, Cd, Cr, Hg and Pb detected 4.41, 1.23, 1.18, 0.00 and 3.39ppm in EWM, respectively, but which were not detected in control. It assumed that supplementing 0.3% of earthworm meal in the 55 weeks old laying hens diet, improved the laying performance and egg quality. 본 연구는 산란계의 생산성과 계란의 품질에 미치는 지렁이 분말(EWM)의 첨가 효과를 구명하기 위해서 실시되었다. 총 360수의 55주령의 산란계를 공시하여서 EWM 0(대조구), 0.3, 0.6%를 첨가한 사료로 5주 동안의 사양 시험을 실시하였다. 계란은 매일 수집하여 난중을 측정하였고 산란율 및 사료 요구율은 시험기간 동안 매주 단위로 조사하였다. 뿐만 아니라 시험 마지막 주에는 계란의 품질도 측정하였다. 산란율과 일일 평균 산란량은 EWM 0.3 및 0.6% 급여 모두 대조구에 비해서 증가하는 경향이 인정되었지만, 0.3 % 와 0.6%처리구간에는 차이가 인정되지 않았다. 한편 사료 섭취량과 사료 요구율은 처리구간에 차이는 인정되지 않았다. 난각 두께, 강도, 색 및 난황색은 EWM 0.3 및 0.6% 처리구 모두 대조구와 비교해서 개선되는 경향이 인정되었다. 산란 1일째, haugh unit는 처리구간에 차이는 인정되지 않았지만, 보관기간에 따른 haugh unit의 변화는 EWM 급여구에서 커졌다. 지렁이분말(EWM)중의 As, Cd, Cr, Hg 및 Pb는 각각 4.41, 1.23, 1.18, 0.00 및 3.39ppm검출되었지만, 계란중에는 검출되지 않았다. 결론적으로 55주령의 산란계에 0.3%지렁이 분말(EWM)의 첨가는 산란계의 생산성 및 계란의 품질을 개선시킬 가능성이 인정된다.

타조 사육과 번식 ( 총설 ) - 타조농가를 위한 기본사양 방법 및 관리 -

손장호,남기홍 ( J . H . Son,K . H . Nahm ) 한국영양사료학회 1998 韓國營養飼料學會誌 Vol.22 No.3

조명의 색이 육계의 행동과 생산성에 미치는 영향

손장호,Son, Jang-Ho,Ravindran, Velmurugu 한국가금학회 2009 韓國家禽學會誌 Vol.36 No.4

본 연구에서는, 3개의 다른 색(white, blue 및 red/ 23L-1D)의 조명이 육계 암수별 행동 및 생산성에 미치는 영향에 대해서 조사하였다. 시험계는 초생추 육계를 6개 pan(pan당 암컷 16수, 수컷 16수)으로 나누어서, 3가지 색의 조명에서 실험이 실시되었다. 실험계는 3일간의 조명에 대한 적응 기간을 거친 후, 동일한 사양 조건에서, 암수 각각 3수씩, pan당 6마리의 focal birds를 중심으로 pecking, resting, standing 및 walking 행동이, 1일 120분간(pan당 20분/일), 주 5일간, 직접관찰법으로 5주간 시행되었다. 뿐만 아니라 증체량과 사료 섭취량 등은 주별로 계산되었고, 시험계 19일령과 33일령의 2회에 걸쳐서 TI-반응과, 33일령의 1회에 걸쳐서 gait score, foot pad score 및 horn burn score가 조사되었다. 조명의 색은 증체량, 사료 섭취량에는 유의한 영향을 미치지 않았다(P>0.05). 그러나 사료 효율에는 유의한 영향을 미쳐서(P<0.05), blue 조명의 경우가 white 및 red 조명의 경우보다 높았다(P<0.05). Resting 행동 빈도는 전체의 행동 빈도에서 주요한 행동으로 나타났으며, 이는 암수간 또는 조명의 색깔에 따라서 영향을 받지 않았다. 성장 초기에는 red 조명에서 resting 행동 빈도가 낮게 나타나는 경향이 있었다. 뿐만 아니라 standing 행동 빈도는 4~18일령에, walking 행동 빈도는 전 시험 기간 동안 red 조명에서 높게 나타나는 경향이 있었다. 본 연구 결과로부터 육계 사육장내 조명의 색은 생산성, 행동 빈도 및 복지에 영향을 미칠 가능성이 생각되었다. The aim of the present study was to investigate the behavior and performance of male and female broiler chickens reared under three different colors of light (white, blue and red) in a 23L:1D of lighting program. Day-old broiler chicks were obtained and assigned to six pens (16 males and 16 females per pen). Two pens each were located in three different rooms in an environmentally controlled shed and received the different light colors. All birds received same husbandry conditions. After a 3-day adaptation to the light color, behavior observations (pecking, resting, standing and walking) were made on six focal birds per pen, representing the sex ratio, by direct visual scans for 120 minutes daily for five days a week throughout the 5-week study. Body weights and feed intake were recorded at weekly intervals. On days 19 and 33, welfare indicators (tonic immobility reaction on the 19 and 33 days old; gait scores, foot pad and hock burns scores on 33 days old) were determined. Light color had no significant effect (P>0.05) on the weight gain and feed intake of broilers, but significantly (P<0.05) influenced the feed conversion ratio. Birds receiving the blue light were more (P<0.05) efficient than those receiving white and red lights. Resting was observed to be the major behavior pattern, irrespective of sex or light color. During early growth, resting behavior tended to be lower in birds receiving red light. However, standing and walking behaviors tended to be higher in birds receiving red light in 4 to 18 day-old age and all of experimental periods, respectively. These data indicate that light color can influence broiler performance and behavior.

성견의 하악골 골신장술 후 골 형성에 대한 신경근육의 전기적 자극의 효과

손장호,박봉욱,변준호,조영철,성일용,Son, Jang-Ho,Park, Bong-Wook,Byun, June-Ho,Cho, Yeong-Cheol,Sung, Iel-Yong 대한악안면성형재건외과학회 2011 Maxillofacial Plastic Reconstructive Surgery Vol.33 No.2

Purpose: This study was designed to examine whether the use of neuromuscular electrical stimulation (NMES) after mandibular distraction osteogenesis accelerated bone formation and consolidation. Methods: Eight adult dogs underwent mandibular left body osteotomy. After a 3 day latency period, a distraction rod device was activated at a rate of 1.0 mm once per day for 10 days. After the completion of mandibular lengthening, NMES group was treated twice daily with 2 hours of NMES for 14, and 28 days, while non-NMES group did not receive NMES. The distracted segment was evaluated radiolgraphically histologically and than immunohistochemically for osteopontin (OPN) to evaluate new bone formation and consolidation. Results: Radiography, did not demonstrate significantly different images between the group and the NMES group. Histological examination however, showed that the new bone formation 14 and 28 days after distraction was better in the NMES group when compared to non-NMES group. Immunohistochemical analysis demonstrated that the staining intensity of OPN increased more in the NMES group than in non-NMES group during early consolidation. Conclusion: The results of this study demonstrated that the use of NMES can promote bone formation and consolidation.

구강 내에 발생한 원발성 점막관련 림프양 림프종의 치험례

손장호,박수원,최병환,조영철,성일용,변기정,Son, Jang-Ho,Park, Su-Won,Choi, Byoung-Hwan,Cho, Yeong-Cheol,Sung, Iel-Young,Byun, Ki-Jeong 대한악안면성형재건외과학회 2009 Maxillofacial Plastic Reconstructive Surgery Vol.31 No.1

Mucosa-associated lymphoid tissue(MALT) lymphoma is thought to originate from marginal zone B-cells. In the WHO classification, Extranodal marginal zone lymphoma of MALT is classified B-cell Non-Hodgkin lymphoma. Common sites of MALT lymphoma include stomach, lung and the ocular-adnexa. Although less common in other sites, it is the most common low-grade lymphoma of the breast, thyroid, bowel skin and soft tissue. No strong age or gender predominance exists in MALT lymphoma. Dissemination to other sites can occur. In the oral cavity, MALT lymphoma is rare. Herein, we present a case of intra-oral MALT lymphoma. 66 year-old woman without any background of immunodeficiency or autoimmune disease admitted department of oral & maxillofacial surgery in Ulsan university hospital for evaluation of long-standing mild upper lip swelling. The lesion was completely resected and biopsied. Histological and immunohistochemical stains(CD3, CD5, CD20, CD21, CK) findings were used to confirm the lesion. Bone marrow biopsy was done and no bone marrow involvement was found. She did not receive chemotherapy and radiotherapy after surgery. No recurrence has been noted in the 22 months to date.

사료 내 지렁이 분말의 첨가가 육계의 생산성에 미치는 영향

손장호 ( Son Jang-ho ),조익환 ( Jo Ik-hwan ) 한국유기농업학회 2003 韓國有機農業學會誌 Vol.11 No.2

A study was conducted to investigate the effect of supplementing earthworm meal on the growth performance and nutrient digestibility of feed in broiler chicks. A total of 120 broiler chicks at 7 days of age were fed the experimental diets containing 0%(Control), 0.2% and 0.4% of earthworm meal for 6 weeks. When fed on both starter and finisher diets, the body weight gain and amount of feed intake were significantly higher (P<0.05) in the chicks fed 0.4% of earthworm meal than those fed 0% and 0.2% of earthworm meal. There were no significantly differences in feed, conversion ratio and mortality among the treatments. When fed on both starter and finisher diets, digestibility of dry matter of feed was not affected by the dietary treatment, but crude fat and crude ash digestibilities of feed were tend to increased in chicks fed earthworm meal Digestibility of crude protein of feed in chicks fed 0,4% of earthworm meal was significantly(P<0.05) improved as compared with those in 0.2% or control group. These results indicated that the dietary supplementations of 0.4% earthworm meal were effective in improve digestibility of crude protein of diet resulted improved broiler performance in broiler chicks.

베트남 타이응우옌성 초등교사 연수사업

손장호(Son, Jang Ho) 행복한부자학회 2023 행복한부자연구 Vol.12 No.1