Universität zu Köln

Noetzel, Nicolas ORCID: 0000-0002-1826-1001, Fienitz, Tim, Kreppel, Matthias, Zirk, Matthias, Safi, Ali-Farid and Rothamel, Daniel (2019). Osteotomy speed, heat development, and bone structure influence by various piezoelectric systems-an in vitro study. Clin. Oral Investig., 23 (11). S. 4029 - 4042. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1436-3771

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Abstract

Objectives The aim of this in vitro study was to evaluate osteotomy speed, heat development, and bone structure influence from osteotomies performed by various piezoelectric devices and insert tips. These devices and tips were compared among each other with regard to conventional rotatory and oscillating systems with special focus on the insert tip design and thickness. Material and methods The osteotomies were conducted on porcine ribs utilizing 12 different insert tips (straight and angulated) and three conventional systems. After time and temperature measurements, histological analysis was carried out. Light microscopy was used to evaluate the roughness of the osteotomic surface and to search for indications of thermal bone necrosis. A special software analyzing tool was employed to determine cutting width (mm) and debris (%). Results All piezoelectric tips created smooth cuts. Cutting widths in general were wider than the actual insert tip size with a tendency for narrow straight insert tips producing relatively wide osteotomies, whereas narrow angulated inserts produced relatively small osteotomies. None of the samples demonstrated distinct indication of necrosis. Overall, there was only a small amount of debris in all osteotomy gaps. Conventional rotatory saws were faster and created less heat compared to all tested piezoelectric systems. Straight tips proved faster osteotomy speed than angulated tips. Thin insert tips indicated to have a positive correlation to osteotomy time and performed faster than conventional microsaw. The average temperature rise was lower when using conventional systems, but critical exceeding temperatures were only observed in short-time exceptional cases. In general, temperature rise was less when using angulated inserts. Conclusion All tested tips are appropriate for bone surgery. Only small differences were found among the piezoelectric insert tips. Although conventional rotatory systems in general performed faster osteotomies, special designed and thin piezoelectric insert tips seem to have a positive influence on osteotomy speed. Ultimately, none of the tested devices or inserts combined all best features of speed, heat development, bone structure influence, and safety.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Noetzel, Nicolas UNSPECIFIED orcid.org/0000-0002-1826-1001 UNSPECIFIED Fienitz, Tim UNSPECIFIED UNSPECIFIED UNSPECIFIED Kreppel, Matthias UNSPECIFIED UNSPECIFIED UNSPECIFIED Zirk, Matthias UNSPECIFIED UNSPECIFIED UNSPECIFIED Safi, Ali-Farid UNSPECIFIED UNSPECIFIED UNSPECIFIED Rothamel, Daniel UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-129760
DOI:	10.1007/s00784-019-02838-8
Journal or Publication Title:	Clin. Oral Investig.
Volume:	23
Number:	11
Page Range:	S. 4029 - 4042
Date:	2019
Publisher:	SPRINGER HEIDELBERG
Place of Publication:	HEIDELBERG
ISSN:	1436-3771
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language MEMBRANE ELEVATION; ULTRASONIC CHISEL; MAXILLARY SINUS; SPLIT-CREST; CUT BONE; PART 2; SURGERY; TEMPERATURE; PIEZOSURGERY; IMPLANTS Multiple languages Dentistry, Oral Surgery & Medicine Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/12976