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1
Crowding with no posterior crossbite treatment by rapid patatal expansion

Kook, Yoon Ah,Mojdah Akhavan,Zernik, Joseph H 대한치과교정학회 2001 대한치과교정학회지 Vol.31 No.6
- 원문보기 3
  RISS
  
  스콜라
  
  DBpia
중증도 내지는 심한 총생과 회전이 있는 12.5세 여자 환자의 증례에 대한 보고이다. 발치를 하지 않고, 상하악 치열궁의 확장에 의해 치료하였다. 구치부의 반대교합이 없었지만, 상악의 경우 급속구개확장을 시행하였다. 양악의 총생과 치아 회전이 해소되었으며, 교합기능과 안모 심미의 개선을 이루었으며, 적절한 수평 및 수직 피개교합을 이룩하였다. 최근에 많이 사용되는 구치부 반대교합이 없는 경우에서의 급속구개확장은, 진단학적 기반 및 적응증에 관한 재평가가 필요하다고 생각된다. This is a case report of a 12.5-year-old girl who presented with moderate to severe anterior dental crowding and rotations. Treatment involved no extraction, but expansion of both the maxillary and the mandibular arches. Maxillary expansion was assisted by rapid palatal expansion despite the fact that this patient did not present with posterior crossbite Crowding and rotations in both arches were corrected and good occlusal function and improved facial esthetic were achieved, with acceptable overbite and overjet. The application of rapid maxillary expansion in cases with no posterior crossbite, which has increased in recent years, calls for re-evaluation of the diagnostic basis and indications for the use of this technique.
2
Crowding with no posterior crossbite treatment by rapid Palatal expansion

Kook, Yoon-Ah,Akhavan, Mojdah,Zernik, Joseph H. The Korean Association Of Orthodontists 2001 대한치과교정학회지 Vol.31 No.6
- 원문보기
중등도 내지는 심한 총생과 회전이 있는 12.5세 여자 환자의 증례에 대한 보고이다. 발치를 하지 않고, 상하악 치열궁의 확장에 의해 치료하였다. 구치부의 반대교합이 없었지만, 상악의 경우 급속구개확장을 시행하였다. 양악의 총생과 치아 회전이 해소되었으며, 교합기능과 안모 심미의 개선을 이루었으며, 적절한 수평 및 수직 피개교합을 이룩하였다. 최근에 많이 사용되는 구치부 반대교합이 없는 경우에서의 급속구개확장은, 진단학적 기반 및 적응증에 관한 재평가가 필요하다고 생각된다. This is a case report of a 12.5-year-old girl who presented with moderate to severe anterior dental crowding and rotations. Treatment involved no extraction, but expansion of both the maxillary and the mandibular arches. Maxillary expansion was assisted by rapid palatal expansion despite the fact that this patient did not present with posterior crossbite. Crowding and rotations in both arches were corrected and good occlusal function and improved facial esthetic were achieved, with acceptable overbite and overjet. The application of rapid maxillary expansion in cases with no posterior crossbite, which has increased in recent years, calls for re-evaluation of the diagnostic basis and indications for the use of this technique.
3
Alkaline Phosphatase, Tartrate-resistant Acid Phosphatase, and BMP6(Vgr-1) Expression during Chondrocyte Differentiation and Osteogenesis in Fetal Mouse Metatarsals

Gu, Y.,Gitelman, S. E.,Martincic, D.,Zernik, J. H.,Minkin, C. Korean Academy of Oral Biology and the UCLA Dental 1997 International Journal of Oral Biology Vol.22 No.2
- 원문보기 2
  RISS
  
  코리아스칼라
Changes in the expression of alkaline phosphatase (ALP), tartrate-resistant acid phosphatase (TRAP or TrATPase, tartrate-resistant acid-ATPase), and bone morphogenic protein-6 (BMP6, also known as Vgr-1) were characterized during chondrocyte differentiation and osteogenesis in fetal mouse metatarsals. Histochemical observations demonstrate an increase in ALP expression both in differentiating hypertrophic chondrocytes and in osteogenic cells of the surrounding perichondrium/periosteum during days 15, 16, 17, and 18, of gestation. Expression of TRAP is first localized to a few small mononuclear osteoclast precursors in the periosteum of day 16 limbs and then a marked increase is demonstrated between days 17 and 18 of gestation as osteoclasts/chondroclasts invade periosteal bone surfaces and spicules of mineralized cartilage. Enzyme assays show a 9-fold increase in ALP activity in the developing limbs from day 15 to day 18 of gestation (0.05 to 0.43 mmole p-nitrophenol hydrolyzed/min/mg protein), and a 5.5-fold increase in TrATPase activity for the same time period (0.15 to 0.80% [^32P]g-ATP hydrolyzed/min/mg protein). Steady state levels of RNA for ALP, TRAP, and BMP6/Vgr-1 were evaluated using quantitative PCR amplification and our results demonstrate a 5-fold increase in ALP, a 500-fold increase in TRAP/TrATPase, and a 6-fold increase in BMP6/Vgr-1 mRNA levels between days 15 and 18 of gestation.