Marginal healing using Polyetheretherketone as healing abutments: an experimental study in dogs.

Rea, Massimiliano; Ricci, Sara; Ghensi, Paolo; Lang, Niklaus Peter; Botticelli, Daniele; Soldini, Claudio (2017). Marginal healing using Polyetheretherketone as healing abutments: an experimental study in dogs. Clinical oral implants research, 28(7), e46-e50. Wiley-Blackwell 10.1111/clr.12854

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OBJECTIVE

To evaluate the marginal soft and hard tissue healing at titanium and Polyetheretherketone (PEEK) healing implant abutments over a 4-month period.

MATERIAL AND METHODS

In six Labrador dogs, all mandibular premolars and first molars were extracted. After 4 months of healing, flaps were elevated, and two implants were installed at each side of the mandible, one in the premolar and the other in the molar regions. Four different types of healing abutments were positioned on the top of each implant: (i) titanium (Ti); (ii) PEEK material bonded to a base made of titanium (Ti-P), randomly positioned in the premolar region; (iii) PEEK, pristine (P); and (iv) PEEK, roughened (P-R), randomly positioned in the molar region. The flaps were sutured to allow a non-submerged healing, and after 4 months, the animals were sacrificed and ground sections obtained for histological evaluation.

RESULTS

A higher resorption of the buccal bone crest was observed at the PEEK bonded to a base made of titanium abutments (1.0 ± 0.3 mm) compared to those made of titanium (0.3 ± 0.4 mm). However, similar dimensions of the peri-implant mucosa and similar locations of the soft tissues in relation to the implant shoulder were observed. No statistically significant differences were seen in the outcomes when the pristine PEEK was compared with the roughened PEEK abutments. The mean apical extension of the junctional epithelium did not exceed the implant shoulder at any of the abutment types used.

CONCLUSIONS

The coronal level of the hard and soft tissues allows the conclusion that the use of PEEK as healing abutments may be indicated.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > School of Dental Medicine > Department of Periodontology
04 Faculty of Medicine > School of Dental Medicine > School of Dental Medicine, Periodontics Research

UniBE Contributor:

Lang, Niklaus Peter

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0905-7161

Publisher:

Wiley-Blackwell

Language:

English

Submitter:

Doris Burri

Date Deposited:

26 Jul 2019 16:20

Last Modified:

22 Oct 2019 21:40

Publisher DOI:

10.1111/clr.12854

PubMed ID:

27080305

Uncontrolled Keywords:

animal study bone dental implants healing healing abutment histology implant dentistry polyetheretherketone soft tissue

BORIS DOI:

10.7892/boris.125428

URI:

https://boris.unibe.ch/id/eprint/125428

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