removable denture failure

STATEMENT OF PROBLEM: Oral rehabilitation with implants is an alternative to the provision of removable dentures in all patients for whom missing teeth require replacement. However, individuals with cognitive, mental health issues, and/or physical disabilities are often excluded from implant-supported prostheses because of the high perceived risk of failure linked to poor oral health, presence of parafunction, or systemic conditions. PURPOSE: The purpose of this cohort study was to describe the protocols, outcomes, and survival rates of oral rehabilitation with implant-supported prostheses in patients with cognitive and physical disabilities treated under general anesthesia (GA) in a French unit of Special Care Dentistry...

BACKGROUND: Nephrotic syndrome is a chronic disorder characterized by heavy proteinuria, hypoalbuminemia, hyperlipidemia, and edema. Idiopathic minimal-change disease is the most common form encountered in children. Corticosteroids are the cornerstone for the treatment of idiopathic nephrotic syndrome (INS), with different regimens depending on the response to therapy and frequency of relapses. This case report presents complications after implant treatment in patient with INS. CASE PRESENTATION: 20 years old female patient presented for implant consultation...

OBJECTIVES: This retrospective, single-center, practice-based cohort study aimed to analyze factors associated with the success of removable partial dentures retained by telescopic crowns (TRPD). MATERIALS AND METHODS: TRPD which were placed in a single practice of a practice-based research network were analyzed. Data from 139 patients (age (SD): 66 (11) years; 66 female) with 174 TRPD including 488 non-precious alloy telescopic crowns (TC) between 2004 and 2016 were included...

OBJECTIVES: Even if survival of post and core (PC) itself was frequently investigated in recent literature, clinical data concerning the risk for extraction of teeth restored with PC is still scarce. Since most authors found the loss of retention of refitable post and cores as the most common cause of failure, it is impossible to draw a conclusion on tooth survival on the results of those studies. Therefore, the aim of the present study was to improve the clinical evidence on the survival of teeth treated with post and cores on a large number of cases over a long observation period...

PURPOSE: To evaluate the published literature on tooth-tissue supported removable partial dentures (RPDs) and determine the attachment system that provides the best clinical outcome. MATERIALS AND METHODS: A comprehensive search of studies published up to November 2021 was performed in the PubMed/MEDLINE, Web of Science, and Cochrane Library databases according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) criteria. The study protocol was approved and was registered in the International Prospective Register of Systematic Reviews (PROSPERO: CRD42021268449)...

PURPOSE: To assess wear, fatigue, and fracture resistance of different CAD/CAM onlays, milled from monolithic Zirconia (Zr), hybrid ceramic (EN), and lithium disilicate (LS), when used as abutments for removable partial denture frameworks fabricated from acetal resin (AR) or cobalt-chromium (Co-Cr). METHODS: Standard onlays and RPD framework were designed and milled using CAD/CAM. Onlays were cemented with resin cement to identical teeth models. The RPD's occlusal rest surface and the ceramic onlays' rest seats were both 3D scanned before and after 750,000 mechanical load cycles (50 N) and 8,000 thermal cycles (5-55°C) in a chewing simulator...

INTRODUCTION: Denture swallowing is an uncommon incident. However, it should be suspected in edentulous elderly patients who wear removable dentures which are poorly cared for and maintain. The existence of neuro-psychiatric disorders may contribute to the occurrence of this adverse event. CASE PRESENTATION: We report the case of an 85-years-old woman admitted to emergency with acute intestinal occlusion. The investigations concluded that the bowel was obstructed by a foreign body blocked in the terminal ileum...

A difficult treatment problem exists to construct a complete denture as opposed to an unmodified natural dentition. A harmonious occlusion is difficult to achieve when malposed, supra-erupted or missing teeth are present in the opposing arch. This incurs compromised stability and retention, failure of the prosthesis and patient discomfort. The main aim of this article is to construct a functionally stable removable complete denture against an unmodified dentition using a functionally generated pathway (FGP) technique...

Impression making in compromised residual alveolar ridge is a regular challenge in rehabilitating patients with conventional removable complete dentures. In patients who cannot afford implant-supported dentures, specialized impression technique is a viable and justified option for fabrication of complete dentures. More often, the stability of denture in such patients becomes a deciding factor between failure and success. Furthermore, increased interarch space may result in increased height of maxillary and/or mandibular dentures with corresponding increase in weight, which further compromises the retention and stability of the prosthesis...

STATEMENT OF PROBLEM: Successful outcomes with cast removable partial dentures (RPDs) are dependent on adequate fabrication and adjustments at the delivery appointment. Evaluation of the number and frequency of postinsertion follow-up appointments helps determine whether the prosthesis continues to fit comfortably and whether function and esthetics continue to be satisfactory. Reports on the number of appointments and frequency and type of adjustments required for RPDs following insertion are sparse...

This case report describes the clinical outcomes of three patients who received removable partial dentures with a completely digitally designed and manufactured metal framework. The initial intraoral impressions were prepared, and the resulting STL files were sent to a dental laboratory, where the alloy framework was designed using inLab software and printed using a 3D printer or milled directly from a Co-Cr disc. The quality of fit of the framework was evaluated intraorally to confirm the laboratory design...

Single-implant overdentures (SIOs) represent a major biomechanical challenge in terms of prosthetic retention. The Novaloc attachment system has the potential to overcome those challenges when used for SIOs, due to the use of PEEK matrices. This study compared the retentive force of the Novaloc attachment to the traditional Locator system, before and after cyclic insertion-removal cycles. Three Novaloc matrices (white, yellow, and green, corresponding to low, medium, and high retention, respectively) and Locator (medium retention) were tested, totalling four groups...

The aim of this study was to conduct a systematic literature review with a subsequent meta-analysis on the technical complications and failures of removable partial denture (RPD) therapy in the moderately reduced dentition. A systematic literature search of established medical databases, last updated 06/2022, was conducted. RCTs and prospective and retrospective studies were included that had information on technical complications and failures of RPDs, at least 15 participants, an observation period of at least two years and a drop-out rate of less than 25%...

OBJECTIVE: To determine the influence of the geometric dimensions of core build-ups on early core build-up failure, that is, loss before definitive prosthesis cementation. MATERIALS AND METHODS: Adhesive core build-ups of exclusively vital teeth in 114 participants were evaluated (n materials: 40 Rebilda DC, 38 Multicore Flow, 36 Clearfil DC Core; n teeth: 8 incisors, 54 premolars, 52 molars). Impressions of the abutment teeth were made (1) after removal of insufficient restorations/caries and (2) after core build-up and preparation for a fixed prosthesis...

Dentures dislodged into throat on bilevel positive airway pressure (BiPAP) ventilation can be overlooked and potentially compromise airway patency. An 81-year-old man with a history of chronic obstructive pulmonary disease (COPD) presented with increased shortness of breath and productive cough for 1 week. Inhaled bronchodilators, parenteral steroids, and BiPAP ventilation were administered for acute exacerbation of COPD complicated with acute hypercapnic respiratory failure. Fifty minutes after receiving BiPAP ventilation, his respiratory condition improved; however, he started to complain of neck pain...

OBJECTIVES: To measure and compare the accuracy of 3D-printed materials used for RPD production to improve workflow and eliminate errors in manufacturing. METHODS: A partially edentulous maxilla (Kennedy Class III, modification 1) was prepared and designed with proximal plates, rest seats and clasps in one first premolar, one canine and two second molars. A total of 540 3D printed RPD frameworks were 3D printed with three different types of resin (DentaCAST (Asiga, Australia), SuperCAST (Asiga, Australia) and NextDent (3D Systems, Netherlands))...

PURPOSE: The study aimed to compare the tensile bond strength (TBS) of auto-polymerizing and heat-polymerizing denture reliners on the conventional (compression-molding and injection-molding) and CAD-CAM (milled and 3D-printed) denture base materials. MATERIALS AND METHODS: Eighty standard dogbone-shaped specimens were fabricated from 4 materials: compression-molding, injection-molding, milled, and 3D-printed denture base materials. A 3-mm cutoff was removed from each specimen at the midsection, and all specimens were reattached with either auto-polymerizing (n = 10) or heat-polymerizing (n = 10) reliner...

PURPOSE: The aim of this retrospective study was to determine the outcome of double crowns (DCs) using pooled data over a period of 27 years. METHODS: Billing data were obtained from the digital accounting system of a university dental clinic. All DCs inserted and invoiced from January 1, 1992, to December 31, 2019, were collected. The maximum observation period of a DC was determined by a recorded follow-up or the occurrence of a target event. Target events were divided into primary, i...

PURPOSE: To survey the clinical performance of telescopic-retained removable implant-supported dental prostheses (TR-RISDPs) in edentulous patients, as well as incidental maintenance measures and technical complications. MATERIALS AND METHODS: In this retrospective analysis, the former presence of oral cancer, prosthesis location (maxilla or mandible), and participation in a follow-up program were analyzed as possible factors with an influence on survival and maintenance treatments of the TR-RISDPs and dental implants using Kaplan-Meier estimates...

Albers-Schönberg disease is a rare bone syndrome characterized by increased bone density and infectious complications after dental extraction or minor surgery. The prosthodontic management of such edentulous patients with osteomyelitis is very challenging and requires special strategies due to a high risk of failure and worsening of the condition. This clinical report describes the rehabilitation of a 31-year-old edentulous woman presenting with Albers-Schönberg disease and secondary chronic osteomyelitis, maxillary hypoplasia, compromised oral conditions, temporomandibular disorders, and psychologic distress...