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PEEK Bar Versus Titanium Bar Fabricated by CAD-CAM in Mandibular Hybrid Prostheses: A Comparative Study

A

Amr Azab Abd El-Fattah

Status

Completed

Conditions

Edentulous Jaw

Treatments

Procedure: implant placement

Study type

Interventional

Funder types

Other

Identifiers

NCT06201169
REC 02-21 4

Details and patient eligibility

About

CAD/CAM-fabricated PEEK bar exhibited greater dimensional deviation in comparison to its titanium counterpart. Nevertheless, patients with PEEK bars reported higher satisfaction levels and lower marginal bone loss when compared to those with titanium bars.

Full description

Fourteen patients with completely edentulous mandibular arch opposing natural dentition were selected and divided into two groups, seven patients in each. All patients received implant-supported hybrid prostheses with a bar fabricated by CAD/CAM milling technique. In group I (control), bar was fabricated from titanium, while in group ӀӀ, the bar was fabricated from PEEK. The evaluation of the study was done at 6 and 12 follow-up periods according to the following: 1- Experimentally by Geomagic (Geomagic, Japan) to detect any dimensional deviation of PEEK bars compared to titanium bars. 2-Clinically by questionnaire to evaluate the patient satisfaction. 3- Radiographically (digital periapical) to measure marginal bone loss around the implants.

Enrollment

14 patients

Sex

All

Ages

40 to 60 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Completely edentulous mandibular arch for at least six months have almost of the natural teeth in the maxillary arch with a ranged of age from 40- 60 years old.

and normal class Ӏ maxilla-mandibular relationship with a minimum 12-15 mm inter-arch space

Exclusion criteria

  • All patient had systemic disorders that may influence soft or hard tissue healing were excluded as:

    • History of radiation therapy in the head and neck region.
    • Active infection or inflammation or flabby tissue in the mandibular arch
    • Bone diseases as osteoporosis.
    • Clenching or bruxism, temporomandibular joint troubles
    • Neurological or psychiatric handicap conditions that could interfere with good oral hygiene.
    • Heavy smoking and drug abusing

Trial design

Primary purpose

Supportive Care

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

14 participants in 2 patient groups

group I (control)
Active Comparator group
Description:
The bars are fabricated from titanium. the participants received implant supported hybrid prosthesis with CAD/CAM fabricated titanium bars
Treatment:
Procedure: implant placement
group II
Experimental group
Description:
The bars are fabricated from PEEK . the participants received implant supported hybrid prosthesis with CAD/CAM fabricated PEEK bars
Treatment:
Procedure: implant placement

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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