대한치과교정학회지 (The korean journal of orthodontics)

  • 제40권1호
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  • Pages.50-60
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  • 2010
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  • 2234-7518(pISSN)
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  • 2005-372X(eISSN)
대한치과교정학회 (The Korean Association Of Orthodontists)
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Frog appliance를 이용한 상악 대구치의 원심 이동: 증례 보고

The frog appliance for upper molar distalization: a case report

  • Bayram, Mehmet (Karadeniz Technical University, Department of Orthodontics) ;
  • Nor, Metin (Karadeniz Technical University, Department of Orthodontics) ;
  • Kilkis, Dogan (Karadeniz Technical University, Department of Orthodontics)
  • 발행 : 2010.02.28
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초록

본고의 목적은 2급 1류 치열안면 구조를 가지는 한 환자에 적용된 새로이 고안된 상악 대구치 원심 이동 장치인 Frog appliance의 효과를 평가하기 위함이다. 11세의 여자 환자가 교정 치료를 위해 본 진료실로 의뢰되었다. 환자는 미약한 2급 골격관계와 2급의 대구치 및 견치 관계를 양측 모두에서 보이고 있었다. 고정성 장치 치료를 통해 양측 상악 제1대구치를 원심 이동시키는 방법을 포함하는 치료 계획을 수립하였으며 상악 대구치를 원심 이동하기 위해 새로이 고안된 Frog appliance를 제작 및 적용하였다. 측모 두부방사선 사진으로 치료 결과를 평가하였으며 상악 제1대구치의 원심 이동이 4개월의 치료 기간 동안 이루어 졌고 1급의 구치 관계가 얻어졌다. 총 치료 기간은 16개월이 소요되었다. 두부방사선 사진을 평가한 결과 약간의 고정원 상실과 함께 대구치의 원심 이동이 치축 이동에 가깝게 일어난 것을 확인하였다. 결론적으로 Frog appliance는 환자의 협조를 요하지 않는 장치로서 간단하고 효과적으로 양측 대구치의 원심이동을 이룰 수 있는 구내 장치이다.

The purpose of this article was to evaluate the effects of a new upper molar distalization system, the Frog Appliance, on dentofacial structures in a Class II, division 1 patient. An 11-year-old girl was referred to our clinic for orthodontic treatment. She had a mild skeletal Class II malocclusion with Class II molar and canine relationship on both sides. The treatment plan included distalization of the upper first molars bilaterally followed by full fixed appliance therapy. For the upper molar distalization, a new system, the Frog Appliance, was constructed and applied. Lateral cephalometric radiographs were used to evaluate the treatment results. Distalization of the upper first molars was achieved in four months successfully, and Class I molar relationship was obtained. Total treatment time was 16 months. According to the results of the cephalometric evaluation, a nearly bodily distal molar movement with a slight anchorage loss was attained. In conclusion, the Frog Appliance was found to be a simple, ef ective, non-invasive, and compliance-free intraoral distalization appliance for achieving bilateral molar distalization.

키워드

참고문헌

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피인용 문헌

  1. Zygoma-gear appliance for intraoral upper molar distalization vol.40, pp.3, 2010, https://doi.org/10.4041/kjod.2010.40.3.195
  2. Combined treatment with headgear and the Frog appliance for maxillary molar distalization: a randomized controlled trial vol.43, pp.2, 2013, https://doi.org/10.4041/kjod.2013.43.2.101
  3. Comparison of transverse dental changes induced by the palatally applied Frog appliance and buccally applied Karad's integrated distalizing system vol.46, pp.2, 2010, https://doi.org/10.4041/kjod.2016.46.2.96
  4. Bilateral en-masse distalization of maxillary posterior teeth with skeletal anchorage: a case report vol.21, pp.3, 2010, https://doi.org/10.1590/2177-6709.21.3.085-093.oar
  5. Cone-beam computed tomography-guided three-dimensional evaluation of treatment effectiveness of the Frog appliance vol.49, pp.3, 2010, https://doi.org/10.4041/kjod.2019.49.3.161