Journal of Dental Rehabilitation and Applied Science (구강회복응용과학지)

Korean Academy of Stomatognathic Function and Occlusion (대한턱관절교합학회)
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A case of direct restore using 4-META/MMA-TBB resin containing organic filler in patients with severe occlusal surface wear and enamel fracture

심한 교합면 마모 및 교두 파절 환자에서 유기필러를 함유한 4-META/MMA-TBB 레진을 활용한 직접수복 증례

  • Received : 2023.09.20
  • Accepted : 2023.10.23
  • Published : 2023.12.31
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Abstract

Attrition is the loss of tooth hard tissue due to contact between teeth, and in severe cases, dentin is exposed, accompanied by selective corrosion and excessive wear of teeth, which is called cupping. If these lesions are left untreated, the size of the lesion gradually increases, breaking the unsupported enamel, resulting in a decrease in aesthetics and chewing function. In this case report, patients with cupping and enamel fracture due to severe attrition were directly restored using a resin with soft properties containing organic fillers. In the follow-up observation six years later, most of the filling of the occlusal surface was eliminated, but the filling on the buccal surfaces remained relatively intact, and it was confirmed that this type of resin was suitable for the area where the occlusal force was relatively weak rather than the area where the occlusal force was greatly applied.

교모는 치아 간의 접촉으로 인하여 치아 경조직이 소실되는 것으로, 심한 경우 상아질이 노출되어 선택적인 부식과 치아의 과도한 마모가 동반되는데, 이를 cupping이라고 부른다. 이러한 병소를 치료하지 않고 방치할 경우 병소의 크기가 점차 커지게 되어 지지되지 않는 법랑질이 파절되고, 결과적으로 심미성과 저작 기능이 저하된다. 본 증례보고에서는 심한 교모로 인해 cupping과 법랑질 파절이 동반된 환자에서 유기필러가 함유되어 부드러운 성질을 지닌 레진을 이용하여 직접수복을 실시하였다. 6년 후의 경과관찰에서 교합면의 충전은 대부분 탈락하였으나 협측의 충전은 비교적 온전하게 남아 있음을 관찰할 수 있었고, 이런 형태의 레진이 교합력이 크게 가해지는 부위보다는 교합력이 비교적 약하게 가해지는 부위에 적합한 재료임을 확인할 수 있었다.

Keywords

Acknowledgement

This study was supported by research fund from Chosun University Dental Hospital, 2022.

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