매복치의 교정적 견인 후 치주적 평가
Periodontal evaluation of impacted teeth after orthodontic traction
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초록
본 연구는 1998년부터 2004년까지 조선대 소아치과에 내원한 환자 중 상악 중절치와 상악 견치의 편측성 매복으로 진단되어 closed-eruption technique을 이용한 외과적 노출 후 교정적 견인을 시행하고 치료가 끝난 24명(상악 중절치 10명, 상악 견치 14명)의 환자를 대상으로 하여 정상적으로 맹출한 인접 및 반대측 치아와 매복치의 치주적인 상태를 비교 분석하여 다음과 같은 결과를 얻었다. 1. 치주적인 평가에서 gingival index와 plaque index, pocket depth와 부착 치은의 비교시 견인을 시행한 상악 중절치, 견치 모두 대조군과 비교하여 유의할 만한 차이가 나타나지 않았다(P>0.05). 2. 상악 중절치의 골지지도 평가에서 근심부간과 원심부간에 인접 중절치와 비교하여 유의할 만한 차이가 나타났다(P<0.05). 3. 상악 견치의 골지지도 평가시 견인치와 정상 맹출 치아 간에 유의차를 보이지 않았다(P>0.05). 이상의 결과를 종합하여 볼 때 임상에서 closed-eruption technique을 이용한 외과적 노출 후 교정적인 견인을 이용한 매복치의 치료가 치은조직의 재생에 긍정적인 영향을 주고, 심미적으로 보다 안정적임을 알 수 있었으며, 상악 중절치 치료 시 견인의 방향과 힘 적용에 있어 정상 치조골의 양상을 유지하는지 관찰하여야 할 것으로 사료된다.
Abstract
The impacted teeth were surgically exposed by the closed-eruption technique and orthodontically retracted. The subject of this study are 24 patients(Mx. insiors; 10, Mx. canines; 14) who finished their treatment. The periodontal condition of the impacted teeth and the normally erupted proximal and opposed teeth were compared and analysed. The results are the followings: 1. When the gingival index, plaque index, pocket depth and attached gingiva in periodontal evaluation were compared, there was no significant difference between the study group and the control group(P>0.05). 2. When the alveolar bone support of the mesial and the distal surface of the maxillary central incisors and proximal teeth was compared, there was no significant difference between the study group and the control group(P<0.05). 3. When the alveolar bone support of the maxillary canines was compared, there was no significant difference between the retracted teeth and the normally erupted teeth(P>0.05). The results above showed that the surgical exposure by closed-eruption technique followed by the orthodontic retraction of the impacted teeth has a positive influence on the regeneration of gingival tissue in clinical practice and is esthetically more stable. And it is considered that the clinicians should give attention to the direction of retraction power and the maintenance of normal shape of the alveolar bone in treatment of maxillary central incisors.
참고문헌 (12)
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