Universität zu Köln

Klur, T., Hasan, Istabrak, Ottersbach, K., Stark, H., Fichte, M., Dirk, C. and Bourauel, C. (2019). PEKK-made indirect temporary crowns and bridges: a clinical pilot study. Clin. Oral Investig., 23 (2). S. 771 - 778. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1436-3771

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Abstract

ObjectivesThe aim of the present study was to find out whether the high-performance polymer PEKK is an equivalent alternative compared to cobalt chrome (CoCr)-made restorations, regarding to biocompatibility, stability, and comfort.Materials and methodsTwenty-two patients (m, 10; f, 12) who were indicated for a long-term temporary-fixed restoration were included. They were randomized through a lottery procedure into two groups: the first group was restored with veneered PEKK-made crowns and bridges (Pekkton ivory), while the second group was restored with veneered CoCr crowns. Clinical parameters (plaque index (PI), probing depth (PD), fracture, and chipping) were documented in a period of 3-5months from the insertion of restoration. Furthermore, every patient completed the OHIP-14 questionnaire. An exchange of the restorations from the first to the alternative material was performed after a period of 3-5months.ResultsAll patients showed an improvement of the oral hygiene and probing depth after insertion of the temporary restorations. However, there were no significant differences between PEKK and CoCr-made restorations (P>0.05). There was no chipping after 5months for both kinds of materials. There was a noticeable reduction of pain and discomfort of patients after insertion of temporary restorations. However, there were no significant differences between the two materials (P>0.05).ConclusionsPEKK-made temporary restorations offer a good and stable alternative to CoCr-made restorations. They have a high aesthetical advantage over CoCr restoration.Clinical relevanceEsthetic and price-efficient temporary crowns can be offered for the patient during periodontal therapy to improve its success, in particular by improving the oral hygiene.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Klur, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hasan, Istabrak UNSPECIFIED UNSPECIFIED UNSPECIFIED Ottersbach, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stark, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fichte, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Dirk, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bourauel, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-158177
DOI:	10.1007/s00784-018-2493-z
Journal or Publication Title:	Clin. Oral Investig.
Volume:	23
Number:	2
Page Range:	S. 771 - 778
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 PEEK; STRENGTH Multiple languages Dentistry, Oral Surgery & Medicine Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/15817