A Contribution to Ultrasound Preparation of Hard Dental Tiss
Příspěvek k ultrazvukové preparaci tvrdých zubních tkání
Cíl:
Cílem předkládané práce je porovnat efekt systému Vector® (Dürr Dental, Německo) a klasické rotační techniky při preparaci kavit.
Metodika:
Experiment byl proveden na extrahovaných zubech. Celkem 20 extrahovaných premolárů a molárů bylo náhodně rozděleno do skupin po pěti. Na žvýkací ploše byly preparovány kavity standardním diamantovým brouskem a poté jemným diamantovaným brouskem systémem Vector® (Dürr Dental, Německo) a kombinací obou způsobů preparace. Vzorky byly po předchozím pokovení vyšetřeny v elektronovém mikroskopu. Byl změřen průměrný čas preparace.
Výsledky:
Stěny kavit preparované systémem Vector® byly méně drsné v porovnání s klasickou preparační technikou. Čas potřebný k preparaci byl u systému Vector® více než dvojnásobně delší v porovnání s rotační preparací.
Klíčová slova:
preparace – ultrazvuk – Vector® systém
Authors:
L. Roubalíková
Authors‘ workplace:
Stomatologická klinika LF MU a FN U Sv. Anny, Brno
přednosta prof. MUDr. J. Vaněk, CSc.
Published in:
Česká stomatologie / Praktické zubní lékařství, ročník 105, 2005, 6, s. 133-137
Category:
Overview
Objective:
The aim of the work was to compare the effect of the system Vector® (Dürr Dental, Germany) and classical rotation technique in the preparation of cavities.
Methods:
The experiment was performed on extracted teeth. A total of 20 extracted premolar teeth were randomly distributed to groups of 5 in each of them. At the masticatory surface the cavities were prepared by a standard diamond stone and subsequently with a fine diamond stone of the Vector® system (Dürr Dental, Germany) and a combination of both types of preparation. The samples were coated with metal and then examined by electron microscopy. The average period of preparation was measured.
Results:
The walls of the cavities prepared by the Vector® system were less rough as compared with the classical rotation preparation. The time period necessary for preparation with the Vector® system was more than twice as long as that of the rotation preparation.
Key words:
preparation, ultrasound, Vector® system
Labels
Maxillofacial surgery Orthodontics Dental medicineArticle was published in
Czech Dental Journal
2005 Issue 6
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