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Durabilidad de las fresas de diamante tras realizar desgastes en dientes naturales, comparando 4 marcas comerciales, analizado en microscopía electrónica

Translated title of the contribution: Durability of Four Diamond Bur Brands after Tooth Preparation. Electronic Microscopy Analysis

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Outcomes reported in the literature do not relate cutting effectiveness of high-speed diamond drills directly to the
diamond surface amount and quality, not either their average life after a specific number of uses. Objective: To evaluate the
durability of diamond burrs in the drill active surface after doing removal in natural teeth. Methods: This ex vivo study compared
dental drills of four different brand names with 64-126 μm, round tip, conical-trunk diamond grit (ISO 850): MDT®, Swisstech®,
Pointech® and Jota®. Five 0.16 mm cuts were carried out using each dental drill on a tooth crown. The dental drills were then
analyzed under the scanning electron microscope in order to observe: a) any adhesion of diamond to substrate in the head and
body; b) condition of the diamonds in the substrate, in head and body, after 5 cuts; and c) nal condition of the dental drills.
Then a qualitative and quantitative analysis was carried out. Results: The four different dental drills showed a similar worn
condition after five uses, both in the head and body. Despite all the samples showed variations, some of them had greater evidence
of diamond fracture and displacement. Conclusion: This study suggests that the dental drills should be changed over after 5
clinical uses in order to ensure a desirable worn condition and prevent pulpal damage due to the friction.
Translated title of the contributionDurability of Four Diamond Bur Brands after Tooth Preparation. Electronic Microscopy Analysis
Original languageSpanish
Pages (from-to)1-9
Number of pages9
JournalUniversitas Odontologica
Volume36
Issue number77
DOIs
StatePublished - 31 Jan 2018

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