근관-치주병소의 분류와 감별진단

조규증,Jo, Gyu-Jeung 대한치과의사협회 1992 대한치과의사협회지 Vol.30 No.1

Formocresol과 Glutaraldehyde가 가견 절단 치수조직에 미치는 영향

조규증 慶北大學校 醫科大學 1986 慶北醫大誌 Vol.27 No.2

성견의 상하학 치아 총 106개를 대상으로 2%, 4% glutaraldehyde 희석액 및 formocresol을 실험군으로, Dycal을 대조군으로 하여 통법대로 생활치수절단술을 시행한 후 각 약제에 의한 치수반응을 1주, 2주, 3주 및 4주별로 광학현미경으로 관찰하여 다음과 같은 결과를 얻었다. 1. 근관치수의 염증반응은 주로 절단부 하방 치관부 1/3에 국한되었으며 그 정도는 GA 4% 및 GA 2%군에서 가장 심하였으며 다음에 FC군, Dycal군 순이었고 GA 4%와 GA 2%간에 대차는 없었다 2. GA 2% 및 GA 4%군에서는 치관부치수조직에서 치수농양의 형성이 빈번하였다. Dycal군에서의 염증 세포침윤은 전기간에 걸쳐 아주 미약하였으나 FC군은 Dycal군에 비해 염증세포의 침윤이 현저하였고 농양형성은 3주군과 4주군에서 관찰되었다. 3. 혈관의 증식 및 출혈상은 FC군에서 가장 현저하였고 확장, 울혈, 증식 등의 혈관변화는 염증부직하에서 뚜렷하였으며 이 부위를 기점으로 하여 정상치수조직으로 이행되었다. 4. 全 표본에서 염증부 및 고정부위는 조상아세포층의 상당한 소실과 위축상을 나타내었으며, 염증반응이 심했던 GA 2% 및 4%의 3주와 4주군에서 가장 현저하였다. 5. 전 표본에서 절단부의 완전한 치유상 또는 상아질교의 형성은 없었다. This study was performed to evaluate the pulpal response to the glutaraldehyde diluted to 2% and 4%, and formocresol, comparing with Dycal in 106 teeth of dogs with routine vital pulpotomy. The animals were sacrificed after 1,2,3 and 4 weeks following operation and each specimen was prepared for histopathologic examination with light microscope. The obtained microscopic findings were as follows; 1. The inflammatory responses were relatively limited to coronal third of radicular pulp tissue. Inflammatory responses were very severe in the pulps treated with 2% and 4% glutaraldehyde and descending order of formocresol and Dycal. But there was no significant difference in the inflammatory response between 2% and 4% glutaraldehyde 2. Marked abscess formation was found in the pulps of coronal third treated with 2% and 4% glutaraldehyde. Slight inflammatory cell infiltration was found in the pulps treated with Dycal all through the time elapse. Inflammatory cell infiltrations were more prominent in the pulp treated with formocresol than treated with Dycal, but abscess formations were found in the specimens of 3 and 4 weeks group of formocresol. 3. Increase of vascularity and hemorrhage were most prominent in the pulps treated with formocresol among the all specimens and vascular changes such as capillary dilatation and localized congestions were prominent at pulp tissus beneath the inflamed area. 4. Considerable loss and atrophy of odontoblast layer were seen at inflamed and fixed area, and most prominent in 3 weeks and 4 weeks specimens of pulps treated with 2% and 4% glutaraldehyde. 5. Complete repair or formation of dentin bridge at amputated site was not found in any of the specimens.

공기진동 근관형성법의 근관상아질 삭제능력

조규증 慶北大學校 齒科大學 1989 慶北齒大論文集 Vol.6 No.1

During preparating the canal, air-driven sonic system and hand instrumentation were quantitatively compared for their ability to remove dentin from root canals of standardized seventy-two extracted single-rooted teeth, along with the H-file, Helisonic and Rispisonic file. The results were as follows : There was no statistically significant difference between hand and air-driven sonic instrumentation in using of H-file and Rispisonic file respectively. Hand instrumentation appeared slightly superior to air-driven sonic system in Helisonic file. In this study, air-driven sonic system. was not significantly better than hand instrumentation in the ability to remove intracanal dentin.

GLUTARALDEHYDE 처리한 가견 절단 치수조직의 중장기간 관찰

조규증,박진훈,신홍인 慶北大學校 齒科大學 1988 慶北齒大論文集 Vol.5 No.1

성견의 상하악치아 총 84개을 대상으로 생활치수절단술을 시행한후, 2% 및 4% GA희석액을 실험군으로, Dycal을 대조군으로 적용하여 4개월 경과후 그치수반응을 광학현미경으로 관찰한 바 다음과 같은 결과를 얻었다. Dycal군을 제외한 전 실험군 표본은 치수 전방에 걸친 광범위한 염증세포의 침윤을 나타내었으며 그 정도는 미만성에 미세 농양 형성까지 다양하였고 GA 2%군에서 보다는 GA 4%군에서 더 심한 양상이었다. 2차 상아질의 형성은 치수벽 전면에 걸쳐 각 실험군 모든 표본에서 현저하여 치수강이 상당히 협소화되어졌으며 그 정도는 Dycal군에서 가장 왕성하였고 다음은 GA 2%군, 4%군 순이었다. 특히 Dyucal군에서는 2차 상아질에의한 상아교의 형성이 명확했다. This experimental study was performed to evaluate the pulpal response to the glutaraldehyde diluted to 2% and 4%, comparing with the response to the Dycal as control group, in 84 teeth of dogs with routine vital puloptomy. The animals were sacrificed after 4 months following pulpotomy and each specimen was prepared for histopathologic examination with light microscope. The results were as follows; The specimen of experimental groups, 2% glutaraldehyde dressing group and 4% glutaraldehyde dressing group, showed diffuse inflammatory infiltrate with or without microabscess formation in all experimental periods. In general the inflammatory infiltrate was severer in 4% glutaraldehyde dressing group than in 2%. On the contrary, the control group, Dycal dressing group, showed no inflammatory infiltrate in all specimens. The reparative dentin formation along dentinal walls resulting in narrowing of pulpal cavity was marked in all experimental and control groups. The peripheral deposition of calcified tissue was most favorable in Dycal dressing group and was followed in descending order of 2% and 4% dressing groups. The dentin bridge was not formed except for Dycal group showing complete formation.

한국 도시지역 학동의 유치 우식 치명율

조규증 慶北大學校 齒科大學 1987 慶北齒大論文集 Vol.4 No.1

저자는 치아우식증의 관리실태를 연구하기 위하여 대구시내에 거주하는 6세에서 12세까지의 학동, 남자 852 명, 여자 747 명, 총 1,599 명을 조사대상으로 하여 유치우식치명율을 조사하여 다음과 같은 결과를 얻었다. 전 연령층에서 남자 18.25 %, 여자 18.85 %, 남녀합 18.54 %였으며, 6세에서 13.74 %, 7세에서 16.69 %, 8세에서 19.72 %, 9세에서 17.88 %로 나타났다. 그리고 10세에서 23.40 %, 11세에서 17.80 %, 12세에서 24.32 %로 나타났다. 도시지역학동의 유치우식치명율이 비교적 높게 나타났으므로, 이들의 구강보건 향상을 위하여 구강보건에 대한 효과있는 계몽과 치과의료의 효율적인 공급이 절실히 요구됨을 알 수 있으며, 구강보건사업을 통하여 유치의 우식예방과 조기치료에 대한 부모의 관심도를 더욱 증진시켜야 하겠다. The author made an epidemiological study and examined the deciduous tooth fatality rate of 1599 Korean elementary school children aged from six to twelve years, residing in the Taegu city. The obtained results were as follows; The deciduous tooth fatality rates in the six, seven,eight and nine years old were 13.74%, 16.69%, 19.72% and 17.88%, respectively. And the deciduous tooth fatality rates in the ten, eleven, and twelve years old were respectively 23.40%, 17.80% and 24.32%. The average deciduous tooth fatality rate was 18.54% and there is nothing in difference between male and female. This results indicate that we must effort more effective education of dental health and more efficient supply of dental care, and improve the preventive dental care and early treatment of the developing-children residing in the urban area.

근관충전의 폐쇄효과 평가에서 색소침투의 정성적 및 정량적 측정의 상호관계

조규증,백승래 大韓齒科保存學會 1992 Restorative Dentistry & Endodontics Vol.17 No.2

The purpose of this study was to analyze the relationship between linear and volumetric measurements of apical dye penetration in canals obturated by various kinds of methods. The canals of 108 roots without crown were conventionally prepared and randomly assigned to four group. The canals of group Ⅰa2 were obturated by lateral condensation with sealer, group Ⅱa2 by thermoplasticized low-temperature(70℃) gutta-percha with sealer, group Ⅲ by Thermafil endodntic obturation with sealer and group Ⅳ by injection-molded thermop-lasticized guttapercha. One mm of root apex was exposed to a 2% methylene blue solution at 37℃ for 10 days, and the quality of apical seals was assessed by measuring the leakage linearly and volumetrically. The obtained results were as follows : In linear measurements, group Ⅱ showed significanty less leakage than group Ⅲ, I and group Ⅲalso showed less than group Ⅳ, but no statistically significant difference was demonstrated between the others. In volumetric measurements, group Ⅱ showed significantly less leakage than group Ⅰand Ⅱ, and no significant difference form group Ⅲ. There was a weak significant correlation between the linear measurement and the volumetric measuremene(r=0.3391, P<0.001).

근관치료후에 치아수복

조규증 대한치과의사협회 1981 대한치과의사협회지 Vol.19 No.12

Ⅲ. 근관치료후의 치아수복

조규증 대한치과의사학회 2000 대한치과의사학회지 Vol.19 No.12

치경부 및 근면우식의 처치

조규증 의치학사 1983 치과임상 Vol.3 No.5

초음파 근관형성법 : 문헌적 고찰

조규증 의치학사 1990 치과임상 Vol.10 No.5