Evaluation of the Abutment Type Following Oral Implants in Terms of the Surrounding Bone Height

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

32 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-09-02

Study Completion Date

2022-03-23

Brief Summary

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Compare two different types of abutments (molded abutments and computer-designed 3D printed abutments) in terms of the amount of bone loss, and depth of periodontal pockets around the implant during different periods.

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Detailed Description

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In the past few years, the number of research conducted on the designs of abutments and materials has increased. Often, the restoration is done over the implant using standard abutments that the implant company prefabricated, but due to the problems facing the dentist from the occurrence of bone absorption, an increase in the depth of the pocket after restoration, other types of abutment design methods have been introduced as needed (molded abutment made by lost wax technique and computer-designed abutment made using a 3D laser printer), those customised abutments were made special for each patient depending on their conditions.

Conditions

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Missing Teeth

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Molded abutment

A plastic abutment that is provided by the implant manufacturer will be used. This abutment will be modified using wax, and then it will be dismantled, wedged, and poured using a Ni-Cr mixture. A plastic abutment that the implant manufacturer provides will be used. This abutment will be modified using wax, and then it will be dismantled, wedged, and poured using a Ni-Cr mixture.

Group Type ACTIVE_COMPARATOR

Molded abutment

Intervention Type OTHER

The waxed plastic abutment will dismantle, wedged, and poured using a Ni-Cr mixture then it will be trimmed to make it ready to make the permanent restoration over it.

The prostheses will be cemented above the abutment using dual-cure resin cement then the final restoration (crown and abutment) will be fixed using a screw-retained manner.

3D printed abutment

The customised abutment will be made using a laser printer with a Cr-Co mixture after being designed using a special computer program.

Group Type EXPERIMENTAL

3D printed abutment

Intervention Type OTHER

A marker or Scan body appropriate for the type of implant will be placed on the laboratory implant substitute, a digital scan of the marker will be done in the lab, and the scanned image will be transferred to a computer design software where the prosthesis is designed, In the printing phase, the final prosthesis will be manufactured using a stepwise metal powder supply and a laser fusion process. Making the abutment ready to make the permanent restoration over it. The prostheses will be cemented above the abutment using dual-cure resin cement then the final restoration (crown and abutment) will be fixed using a screw-retained manner.

Interventions

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Molded abutment

The waxed plastic abutment will dismantle, wedged, and poured using a Ni-Cr mixture then it will be trimmed to make it ready to make the permanent restoration over it.

The prostheses will be cemented above the abutment using dual-cure resin cement then the final restoration (crown and abutment) will be fixed using a screw-retained manner.

Intervention Type OTHER

3D printed abutment

A marker or Scan body appropriate for the type of implant will be placed on the laboratory implant substitute, a digital scan of the marker will be done in the lab, and the scanned image will be transferred to a computer design software where the prosthesis is designed, In the printing phase, the final prosthesis will be manufactured using a stepwise metal powder supply and a laser fusion process. Making the abutment ready to make the permanent restoration over it. The prostheses will be cemented above the abutment using dual-cure resin cement then the final restoration (crown and abutment) will be fixed using a screw-retained manner.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* The patient's age is greater than 20 years and younger than 50
* Good oral health
* Absence of systemic diseases that may affect the healing of surrounding tissues, such as diabetes.

Exclusion Criteria

* The presence of non-functional habits such as stridor
* Acute or acute periodontitis, previous loss of implants
* Poor general health conditions
* Previous radiotherapy in the head and neck area
* Mental incompetence
* Orthodontic treatment

Minimum Eligible Age

20 Years

Maximum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No