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TAVŞANLARDA MAKSİLLER GENİŞLETME VE RELAPS: DENEYSEL ÇALIŞMA

MAXILLAR Y EXPANSION AND RELAPSE IN RABBITS : AN EXPERIMENTAL STUDY

Journal Name:

  • Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi

Publication Year:

  • 2006

Key Words:

Keywords (Original Language):

Author NameUniversity of AuthorFaculty of Author
Abstract (2. Language): 
In the present study, it was planned to accomq iish maxillary expansion in rabbits by a continuous force-producing appiaance and to evaluate the relaps process which took place after the expansion appliances were removed. For this purpose, 3-month old ten New Zeaaand male rabbits were used. Maxillary impressions were obtained from all animals and the appliances were appiied to the mouth after they were fabricated. Following two weeks of expansion period which was carried out using 250 gram continuous force, expanders were removed and 4 weeks relaps period begun. Initial (TO) and postexpansion (T1) and follow-up (T2) maxillary widths were measured on plaster models with a calliper and were compared by parred t-test. As a result; it was determined that application of expansion appliance resulted in 1.94 milime-ter increase in maxiilary width on average, however, 79.27 percent of this increase was lost within relaps period.
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Abstract (Original Language): 
Bu çalışmada, devamlı kuvvet uygUayan brr aparey ile üst çene genişletmesi yapılması ve ardından genişletme apareylerinin çıkarılması ile maksiler genişlikte elde edilen artışların nüksünün incelenmesi plan-anmıştır. Bu amaçla, 10 tane 3 aylık erkek Yeni Zelanda tavşanı kul/anılmış, deneklerin üst çenesinden ölçü alı narak genişletme aygıtları yapılmış ve ağza tatbik edilmiştir. İki yüz elli gram devamlı kuvvet uygulayan bu apareyle 2 hafta boyunca genişletme yapılmış, daha sonra apareyler çıkarılarak 4 haftalık relaps periyoduna geçilmiştir. Başlangıç (T0), genişletme sonrası (T1) ve takip sonu (T2) maksiller genişlikler alçı modeller üzerinde kumpasla ölçülerek, eşleştirilmiş t-testi ile karşılaştırılmıştır. Sonuçta; uygulanan ekspansiyon aygıtı ile tavşanların maksiller genişliklerinde ortalama 1.94 milimetre artış olduğu, fakat takip döneminde bu artışın % 79.27'sinin geriye döndüğü tespit edilmiştir.
FULL TEXT (PDF): 
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  • 3
7-13
  • Turkish

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