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201313

Evaluation of retention and peri-implant outcomes on quadrilateral four ball attachment retained mandibular overdenture

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Last updated: 23 Jan 2023

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Abstract

Salah A.Hegazy ,Elsayed M. Abdel-Khalek, Mohamed A.Shams .   Purpose: To assess the retention and peri-implant outcomes on quadrilateral distributed four ball attachment retaining implant mandibular overdenture. Material and methods:Sixfully edentulous patients were enrolled for this study with an average age from 45-55 years.Conventional complete dentures were made and duplicated intostereolithographic surgical guideusing CBCT. According toimplant planning, each patient received four anterior mandibular implants placed at the lateral incisor and first premolar region bilaterally in a quadrilateral design. After3-4 months osseointegration period, ball attachments were screwed to the implants and matrices were picked-up into the mandibular overdenture. The retention of the mandibular overdenture was evaluated after one month of mandibular over-denture insertion (T0), threemonths (T2), and sixmonths (T3) post insertion.Alsoperi-implant outcomes were assessed at the same timeby the use of the following variables (1) modified plaque index ;(2) modified bleeding index;(3)probing depth. Results:Comparing the retentive forces of the prosthesis atdifferent periods of study, there was statistically significant decrease in retention measurements after three months of denture insertion.Also asignificant decrease of retention after six months from denture insertion was observed.Theperi-implant clinical outcomes showed statistical significant increase inmodified plaque index and probing depthwith the advancement of time, whilebleeding index was significantly decreased. Conclusion: Quadrilateral fourimplant distribution in the anterior mandibular area retaining an overdenture with ball attachments could be areliable treatment optionfor edentulous mandible and that distribution design may improve the prosthetic prognosis regarding peri-implant tissue outcomes in this short term study.  

DOI

10.21608/mjd.2018.201313

Keywords

four implants, quadrilateral, ball attachment, mandibular overdenture

Volume

5

Article Issue

2

Related Issue

28138

Issue Date

2018-04-01

Receive Date

2021-10-26

Publish Date

2018-04-01

Page Start

35

Page End

40

Print ISSN

2735-4172

Online ISSN

2812-5479

Link

https://mjd.journals.ekb.eg/article_201313.html

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https://mjd.journals.ekb.eg/service?article_code=201313

Order

9

Type

Original Article

Type Code

1,715

Publication Type

Journal

Publication Title

Mansoura Journal of Dentistry

Publication Link

https://mjd.journals.ekb.eg/

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Article

Created At

23 Jan 2023