Connectors and attachments in oral rehabilitation

Anantharaju, Abhilash; Joseph, Bobby; Kusum, Chandan Kumar; Nooji, Deviprasad

doi:10.4103/2277-8632.117205

Cited by 3 publications

(3 citation statements)

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“…The bi-RPD's were previously compared to u-RPD's [34] and the conclusion was that u-RPD cannot be used as long-time prosthetic treatment. Other researcher's conclusion states that if the situation demands, the possibility of unconventional designs such as modified spring cantilever or precision attachments should be well explored and adopted, but a highly skilled dental team and a specific patient presentation is required for them to be a reasonable and predictable prosthetic option [35,36]. The present study's results are in accordance with this last conclusion.…”

Section: Discussionsupporting

confidence: 87%

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Impact of unilateral removable partial dentures versus removable partial dentures with major connector on oral health-related quality of life of elder patients: a clinical study

et al. 2023

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Objective This study aimed to establish the survival rate of unilateral removable partial dentures (u-RPD) comparative with bilateral RPD (bi-RPD) with major connector in elder patients, as well as to determine both their treatment satisfaction and oral health. Methods The study sample included 17 patients treated with u-RPD and 17 patients treated with bi-RPD with a major connector. The patients were followed over five years with recalls every 6 months. A 5- points Likert scale was used to determine the satisfaction of the patients. The Oral Health Impact Profile-14 (OHIP-14) questionnaire was used to evaluate their oral health after each type of administrated treatment. The local oral examined aspects included the maintenance of the abutment teeth periodontal health, the fractures of the removable dentures, the fractures of the connectors, the chipping of the aesthetic material. Kaplan–Meier survival analysis was conducted to evaluate the performance of the two treatments. Results The mean survival time in years was 4.882 ± 0.114, 95% CI (4.659; 5.106) and 4.882 ± 0.078, 95% CI (4.729; 5.036), for the u-RPD and the bi-RPD, respectively. The five-year survival rates for the two dentures were 94.1% for u-RPD vs. 88.2% for bi-RPD with a major connector, without a statistically significant difference between them (Log-rank test χ2(1) = 0.301, p = 0.584). The patients receiving u-RPD presented significantly higher satisfaction scores compared to the patients receiving bi-RPD, 4.88 ± 0.48 vs. 4.41 ± 0.62, Mann-Whitney U test, p = 0.026. Conclusion Patients receiving u-RPD presented higher levels of treatment satisfaction and better oral health than patients receiving bi-RPD. The survival rates of the treatments u-RPD and bi-RPD were similar.

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Section: Discussionsupporting

confidence: 87%

“…Studies have suggested that at least two teeth on each side should be splinted when extra-coronal distal extension attachment prostheses are used [11,12]. It is important to protect the periodontal health of the abutment when restored with distal-extension extra-coronal [13].…”

Section: Introductionmentioning

confidence: 99%

Impact of unilateral removable partial dentures versus removable partial dentures with major connector on oral health-related quality of life of elder patients: a clinical study

et al. 2023

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“…Problems can occur when an inter-occlusal space deficiency is not recognized. (13) Two splinted crowns were used on either side for better distribution of forces, good support and improving the prognosis of partial denture. (14,15) The split-mouth research design in the present study guard against variables as bone quality and quantity, occlusal loads, preferable side chewing, soft tissue and oral hygiene measures are applicable to both sides of the mouth.…”

Section: Discussionmentioning

confidence: 99%

The Effect of Reciprocal Arm on the Supporting Structures of the Abutments in Cases Retained by Unilateral Attachment

AlmEldeen

2017

Egyptian Dental Journal

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Ten patients with kennedy class I classification utilizing OT unilateral extracoronal attachment were randomly divided in two groups using split mouth research design. Group I (without bracing arm) and group II (with a bracing arm on a prepared ledge at the survey line of the abutments). Radiographic evaluation of the abutments was made at time of denture insertion, 6months, 12months, 18 months, and 30 months after denture insertion to measure the bone height changes around the abutments. The results obtained showed a statistically significant difference in bone loss around the abutment teeth between the two groups. In Conclusion patients rehabilitated with OT unilateral extracoronal attachment with a bracing arm showed less vertical bone loss around the abutments KEYWARDS: Splinted abutments, bracing arm, unilateral distal extension, attachments.

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Finite Element Comparative Analysis of Von Mises Stress Levels in Unilateral Removable Partial Denture with and without Distal Implant

et al. 2022

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The aim of this paper is to compare von Mises stress levels and displacements between two possible designs of a class II Kennedy unilateral removable partial denture. Finite element analysis was used to compare two unilateral class II Kennedy removable partial dentures replacing a mandibular second premolar, and first and second molars and with the same design, except a distal implant. The 3D model was created for a mandibular RPD with three artificial teeth and double ball attachment on the abutment teeth and a horizontal ball attachment for the implant, using Autodesk Inventor 2022 software. On the saddle, significant differences appear only when force is applied on the second molar. Association with implant increases von Mises stresses on the acrylic saddle, where displacements values are similar, and decreases von Mises stresses on the muco-osseous support, where displacements values are also similar. Regarding metal reinforcement of the denture, von Mises stress values are greater for forces applied on the second premolar in the implant situation, and smaller for forces applied on the first and second molars. Association with implant decreases von Mises stresses on the metal reinforcement of the denture only if the force is applied distally, on the two molars; in this case, the metal reinforcement is more stressed above the mesial double ball attachment, where displacements values are similar. Regarding the artificial teeth, adding a distal implant does not significantly influence the stress and displacements values, except on the second premolar where the von Mises stresses values are greater, where displacements values are similar. Although an association with an implant increases the risk of fracture for the denture, the results demonstrate that in the posterior area of the edentulous space, the denture exerts less pressure on the mucosa and subjacent bone, protecting the area against resorption.

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Connectors and attachments in oral rehabilitation

Cited by 3 publications

References 0 publications

Impact of unilateral removable partial dentures versus removable partial dentures with major connector on oral health-related quality of life of elder patients: a clinical study

Impact of unilateral removable partial dentures versus removable partial dentures with major connector on oral health-related quality of life of elder patients: a clinical study

The Effect of Reciprocal Arm on the Supporting Structures of the Abutments in Cases Retained by Unilateral Attachment

Finite Element Comparative Analysis of Von Mises Stress Levels in Unilateral Removable Partial Denture with and without Distal Implant

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