PEEK Versus Titanium Customized Healing Abutments
Study Details
Study Description
Brief Summary
The study suggests that if the investigators used customized healing abutments synthesized from PEEK may have a favorable effect on peri-implant soft tissues regarding decreased plaque accumulation and healing stimulation compared to the customized conventional titanium healing abutments.
| Condition or Disease | Intervention/Treatment | Phase |
|---|---|---|
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N/A |
Detailed Description
Successful aesthetic implant therapy has several sequential goals such as prosthetically driven 3D implant placement. Implant placement must be done in the ideal position to support the restoration and the surrounding soft and hard tissues. The placement of a definitive restoration should also be in harmony with the adjacent natural teeth and surrounding soft tissue.
Guided implant surgery can provide precise, predictable, and safe implant placement. Computer-generated surgical guides vary in design according to the dental condition (edentulous or partially edentulous), type of support (tooth, mucosa, or bone), and the degree of limitation (non-limiting, partially-limiting, or completely limiting).
The use of healing abutments has the function which enables adequate healing of peri-implant soft tissue and promoting a good profile of peri-implant mucosa that allows an adequate emergence profile of the prostheses supported by the implant. They are available in different lengths and project through the soft tissue into the oral cavity.
Janakievski stated that prefabricated healing abutments are unable to support the supracrestal soft tissues because of their circular profile. Therefore, a custom healing abutment is preferred because it provides a replica of the definitive restoration of the patient's gingival architecture.
An evaluation of the use of customized healing abutments has been performed aiming to assess possible advantages associated with this treatment modality. This procedure allows to maintain the peri-implant tissue and improve aesthetics until crown delivery. CAD/CAM enables the fabrication of high-quality implant abutments from solid blocks of different materials.
The contours of the healing abutment are based on the contours of a provisionally designed definitive prosthesis. The healing abutment promotes tissue healing and obtains contours that are well-matched with the contours of the definitive prosthesis.
Currently healing abutments made of polymers such as polyetheretherketone (PEEK) which have been used in orthopedic surgery, are used in dentistry, because of aesthetic & biological reasons maintaining the health of peri-implant soft tissues during healing.
Polyetheretherketone (PEEK) healing abutments can be chosen instead of titanium healing abutments because of their superior properties such as biocompatibility, inert chemical properties, white color, and decreased liability for biofilm accumulation.
Research Question "May PEEK healing abutment have a favorable effect on peri-implant soft tissue that may be related to the superior biological properties of PEEK regarding both decreased biofilm accumulation& healing stimulation?"
Study Design
Arms and Interventions
| Arm | Intervention/Treatment |
|---|---|
| Experimental: PEEK customized healing abutment. Group I (Customized PEEK Healing Abutment): 13 patients will receive guided delayed implant and a customized PEEK healing abutment placed simultaneously with implant surgery |
Device: PEEK customized healing abutment
Guided delayed implant and a customized PEEK healing abutment placed simultaneously with implant surgery
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| Active Comparator: Titanium customized healing abutment. Group II (Customized Titanium Healing Abutment): 13 patients will receive guided delayed implant and a customized titanium healing abutment placed simultaneously with implant surgery. |
Device: Titanium customized healing abutment
Guided delayed implant and a customized Titanium healing abutment placed simultaneously with implant surgery
|
Outcome Measures
Primary Outcome Measures
- Clinical evaluation of peri-implant soft tissue changes [1 month after implantation and 4 months after implantation (just before prosthetic procedures)]
Clinical evaluation of peri-implant soft tissue changes the Probing Depth (PD).
- Clinical evaluation of peri-implant soft tissue changes [1 month after implantation and 4 months after implantation (just before prosthetic procedures)]
Clinical evaluation of peri-implant soft tissue changes the Plaque Index (PI) score.
- Clinical evaluation of peri-implant soft tissue changes [1 month after implantation and 4 months after implantation (just before prosthetic procedures)]
Clinical evaluation of peri-implant soft tissue changes the Gingival Index (GI)score.
- Clinical evaluation of peri-implant soft tissue changes [1 month after implantation and 4 months after implantation (just before prosthetic procedures)]
Clinical evaluation of peri-implant soft tissue changes the Gingival Bleeding Time Index (GBTI).
- Clinical evaluation of peri-implant soft tissue changes [1 month after implantation and 4 months after implantation (just before prosthetic procedures)]
Clinical evaluation of peri-implant soft tissue changes the Width of keratinized tissue (WKT).
Secondary Outcome Measures
- Biochemical evaluation [1 month after implantation and 4 months after implantation (just before prosthetic procedures)]
Biochemical evaluation of peri-implant sulcus fluid (PISF) total bacterial load.
Eligibility Criteria
Criteria
Inclusion Criteria:
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Patients should be systematically free from any disease as according to Cornell Medical Index-Health Questionnaire .
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Both genders.
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Age from 20-50 years.
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Missing tooth in esthetic zone (Anterior/Premolar) to be restored with standard implant, with no need for additional bone and soft tissue augmentation procedures.
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Implants primary stability ISQ ≥ 70 unites using the Osstell Mentor
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BuccoLingual bone width ≥ 6 mm.
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Mesio distal space ≥ 7 mm
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Sound Mesial and distal neighboring teeth.
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At least 6 natural teeth remaining in the same arch .
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Mouth opening ≥ 30mm.
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Enough keratinized mucosa.
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Thick phenotype.
Exclusion Criteria:
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Poor oral hygiene condition.
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Pregnant and lactating females.
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Smokers.
Contacts and Locations
Locations
No locations specified.Sponsors and Collaborators
- Ain Shams University
Investigators
- Study Director: Ahmed E. Amr, Assoc Prof, Ain Shams University
Study Documents (Full-Text)
More Information
Publications
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- Pyo SW, Lim YJ, Koo KT, Lee J. Methods Used to Assess the 3D Accuracy of Dental Implant Positions in Computer-Guided Implant Placement: A Review. J Clin Med. 2019 Jan 7;8(1):54. doi: 10.3390/jcm8010054.
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- Wadhwani C, Schonnenbaum TR, Audia F, Chung KH. In-Vitro Study of the Contamination Remaining on Used Healing Abutments after Cleaning and Sterilizing in Dental Practice. Clin Implant Dent Relat Res. 2016 Dec;18(6):1069-1074. doi: 10.1111/cid.12385. Epub 2015 Dec 7.
- Yunus N, Masood M, Saub R, Al-Hashedi AA, Taiyeb Ali TB, Thomason JM. Impact of mandibular implant prostheses on the oral health-related quality of life in partially and completely edentulous patients. Clin Oral Implants Res. 2016 Jul;27(7):904-9. doi: 10.1111/clr.12657. Epub 2015 Jul 14.
- FDASU-RecIM122219