Diş hekimiğinde kullanılan büyütme sistemleri: derleme

Yıl 2018, Cilt: 10 Sayı: 3, 374 - 380, 30.09.2018

İnci Rana Karaca , Mert Gündoğdu

https://doi.org/10.21601/ortadogutipdergisi.334951

Öz

Abstract

Magnifying systems in
dentistry, range from compound lopues to prism telescopic loupes and vast
variety of surgical microscopes. Compound loupes have an array of convergent
multiple lenses. Galilean loupes are lightweight, cheap and are simple to
operate while compared to other compound loupes. Their only disadvantages are
limited magnification and a blurry peripheral border of the visual field.
Prismatic loupes provide better
magnification, wider depths of field. This also ensures the users to have long
working distances and if compared with other loops they have larger fields of
view. The ranges of magnification of these loupes are around 1.5x to 6x. The
surgical microscopes provide much greater magnification, higher optical
performance when matched with normal dental loupes. The advantages of surgical
microscopes are that the focusing or the changes in magnification can be done
real time. Objective lens and illumination is in par with the viewer's line of
vision, consequently, the surgical spot will be lightened and the surgeon
avails a shadow-free clear vision. The powerful magnifications that are more
than 16x, in some instances as high as 32x or 40x, are commonly used for
diagnostic purposes. Intra-surgical examinations and some type of "difficult-to-detect"
findings are located using such microscopes.

Keywords: Magnification
Devices, Dental Microscope, Dental Loupes, Microsurgery, Prismatic Loupes

Öz

Diş hekimliğinde kullanılan büyütme sistemleri,
bileşik luplar, Galilean luplar, prizmatik luplar, ve cerrahi operasyon
mikroskoplarına varan çeşitlilikler göstermektedir. Bileşik luplarda konverjan
(yakınsak) mercekler belirli bir düzene göre yerleştirilir. Galilean tipi
luplar, bileşik luplara göre daha ucuz, kullanımı kolay ve hafiftir. Büyütme
oranın limitli olması ve görüş alanının periferal kısmının bulanık olması bu
lupların dezavantajıdır. Prizmatik luplarda ise büyütme oranı ve alan derinliği
artmıştır ve daha uzun çalışma mesafesi sağlayarak görüş alanını arttırmaktadır.
Büyütme aralığı x1.5 ile x6 arasında değişmektedir. Cerrahi mikroskoplar,
dental luplar ile karşılaştırıldığında daha üstün büyütme gücü ve optik
performans sunar. Cerrahi mikroskopların önemli avantajları ise odaklamanın
veya büyütmedeki değişikliklerin işlem sırasında yapılabiliyor olması, ışığın
verildiği ve görüntünün alındığı kaynak aynı olduğu için gölge oluşmamasıdır.
Daha net ve büyütülmüş bir görüntü, eksizyonel işlemlerde, sinir cerrahisinde,
yumuşak doku greftlemesi gibi işlemlerde fayda sağlamaktadır. x16’dan daha
büyük, x32 veya x40 büyütmeye sahip mikroskoplar genellikle tanı amacıyla
kullanılmaktadır. Cerrahi sırasındaki tespit edilmesi zor olan bulgular bu tip
mikroskoplar ile teşhis edilebilmektedir.

Anahtar Kelimler: Büyütme sistemleri, dental mikroskop,dental lup, mikrocerrahi, prizmatik luplar

Anahtar Kelimeler

Büyütme sistemleri, dental mikroskop, dental büyüteç, mikrocerrahi, prizmatik büyüteçler

Magnification devices in dentistry: a review

Öz

Magnifying systems in dentistry,
range from compound loupes to prism telescopic loupes and vast variety of
surgical microscopes. Compound loupes have an array of convergent multiple
lenses. Galilean loupes are lightweight, cheap and are simple to operate while
compared to other compound loupes. Their only disadvantages are limited
magnification and a blurry peripheral border of the visual field. Prismatic
loupes provide better magnification, wider depths of field. This also ensures
the users to have long working distances and if compared with other loops they
have larger fields of view. The ranges of magnification of these loupes are
around 1.5x to 6x. The surgical microscopes provide much greater magnification,
higher optical performance when matched with normal dental loupes. The
advantages of surgical microscopes are that the focusing or the changes in
magnification can be done real time. Objective lens and illumination is in par
with the viewer's line of vision, consequently, the surgical spot will be
lightened and the surgeon avails a shadow-free clear vision. The powerful
magnifications that are more than 16x, in some instances as high as 32x or 40x,
are commonly used for diagnostic purposes. Intra-surgical examinations and some
type of "difficult-to-detect" findings are located using such
microscopes. 

Anahtar Kelimeler

Magnification devices, dental microscope, dental loupes, microsurgery, prismatic loupes

Kaynakça

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