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Removable Partial Denture

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https://www.readbyqxmd.com/read/29332104/assessment-of-the-fit-of-removable-partial-denture-fabricated-by-computer-aided-designing-computer-aided-manufacturing-technology
#1
Khalid A O Arafa
To assess the level of evidence that supports the quality of fit for removable partial denture (RPD) fabricated by computer-aided designing/computer aided manufacturing (CAD/CAM) and rapid prototyping (RP) technology. Methods: An electronic search was performed in Google Scholar, PubMed, and Cochrane library search engines, using Boolean operators. All articles published in English and published in the period from 1950 until April 2017 were eligible to be included in this review. The total number of articles contained the search terms in any part of the article (including titles, abstracts, or article texts) were screened, which resulted in 214 articles...
January 2018: Saudi Medical Journal
https://www.readbyqxmd.com/read/29323129/comparison-of-adaptation-between-the-major-connectors-fabricated-from-intraoral-digital-impressions-and-extraoral-digital-impressions
#2
Ning Gan, Yaye Ruan, Jian Sun, Yaoyang Xiong, Ting Jiao
The objective was to compare the adaptation between the major connectors of removable partial dentures derived from intraoral digital impressions and extraoral digital impressions. Twenty-four volunteers were enrolled. Each volunteer received an intraoral digital impression and one extraoral digital impression digitized from conventional gypsum impression. A software was used to create the major connectors on digital impression datasets. After all the virtual major connectors designed from Group intraoral digital impressions (Group I) and Group extraoral digital impressions (Group E) were directly fabricated by 3D printing technique, the adaptation of the final major connectors in volunteers' mouths were measured...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29281613/clinical-evaluation-of-complications-in-implant-supported-dentures-a-4-year-retrospective-study
#3
Sabiha Zelal Ülkü, Filiz Acun Kaya, Ersin Uysal, Belgin Gulsun
BACKGROUND Implants that can be used in the prosthetic rehabilitation of full and partial edentulous patients are now frequently used due to advances in dentistry. Despite advanced methods of applications, failures and complications can still be seen. The aim of our study was to evaluate clinical prosthetic values and complications that occurred during 4-year follow-up in implant-supported restorations. MATERIAL AND METHODS This retrospective study included 40 patients who received oral rehabilitation with an implant-supported prosthesis...
December 27, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29244888/evaluation-of-the-periodontal-status-of-abutment-teeth-in-removable-partial-dentures
#4
André Ricardo Maia Correia, Fábio Daniel da Silva Lobo, Mónica Célia Pereira Miranda, Filipe Miguel Soares Framegas de Araújo, Tiago Miguel Santos Marques
The purpose of this study was to evaluate whether the use of removable partial dentures affects the periodontal status of abutment teeth. An observational cross-sectional study was done on a sample of patients rehabilitated with removable partial dentures (2010 to 2013). At a recall appointment, a clinical examination was done to collect data related to the rehabilitation and periodontal status of the abutment teeth. Of 145 invited patients, 54 attended the requested follow-up appointment (37.2%). Mean patient age was 59...
December 15, 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29240203/scar-tissue-formation-following-alveolar-ridge-preservation-a-case-control-study
#5
Stefan Fickl, Frederic Kauffmann, Christian F Stappert, Anke Kauffmann, Ulrich Schlagenhauf
The aim of this retrospective case control study was to compare a porcine collagen matrix (Mucograft Seal, Geistlich) with a free gingival punch graft with respect to size, invagination, and color of resulting soft tissue scar formation. Following definition of inclusion and exclusion criteria, 22 patients were retrospectively included in this study. The patients were divided into two groups. In group A, the extraction socket was filled with bovine bone mineral (Bio-Oss, Geistlich) and covered with a free gingival punch graft...
January 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29239921/inferiorly-pedicled-nasolabial-flap-for-reconstruction-of-anterior-maxilla-defects-class-i-and-ii
#6
Qingli Chen, Keremu Abasi, Zhongcheng Gong, Bin Ling, Hui Liu, Bo Shao
OBJECTIVES: The aim of this study was to present the use of inferiorly pedicled nasolabial flap (IPNF) in the reconstruction of anterior maxilla defects class I and II. METHODS: Seven patients, 4 females and 3 males, aging from 38 to 75 (mean = 55.9) years old, from 2014 to 2017 reconstructed anterior part of maxilla with or without oronasal communication were included in this study. Five patients diagnosed with squamous cell carcinoma, 1 patient presented with epithelial-myoepithelial carcinoma, and 1 patient had ameloblastoma...
December 12, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29235192/influence-of-implant-position-in-implant-assisted-removable-partial-denture-a-three-dimensional-finite-element-analysis
#7
Octavi Ortiz-Puigpelat, Aida Lázaro-Abdulkarim, Javier-María de Medrano-Reñé, Jordi Gargallo-Albiol, Josep Cabratosa-Termes, Federico Hernández-Alfaro
PURPOSE: To determine the ideal position of a dental implant to assist a posterior extended partial removable dental prosthesis (PRDP), through stress values, displacement values, and deformation of periodontal ligament (PDL). MATERIALS AND METHODS: A finite element analysis of different implant positions was analyzed using a 3D mandible model from a human patient. Test models were created: model A (implant in second molar area), model B (implant in the first molar area), and model C (implant in premolar area)...
December 13, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29233132/intraoral-scanners-in-dentistry-a-review-of-the-current-literature
#8
Francesco Mangano, Andrea Gandolfi, Giuseppe Luongo, Silvia Logozzo
BACKGROUND: Intraoral scanners (IOS) are devices for capturing direct optical impressions in dentistry. The purpose of this narrative review on the use of IOS was to: (1) identify the advantages/disadvantages of using optical impressions compared to conventional impressions; (2) investigate if optical impressions are as accurate as conventional impressions; (3) evaluate the differences between the IOS currently available commercially; (4) determine the current clinical applications/limitations in the use of IOS...
December 12, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/29163661/ultrasound-guided-removal-of-hypopharyngeal-foreign-body-in-the-emergency-department
#9
Nadia Maria Shaukat, Alexis Lenz, Poonam Desai
Foreign body impaction at the cricopharyngeal level can be a life-threatening emergency. While traditionally, removal of these is performed in the operating room setting, patients with relatively unstable airways or significant discomfort may require immediate extraction to prevent further injury. This is the case of an 85-year-old man who presented to the emergency department in significant discomfort following aspiration of a large partial denture. We report here the first known use of ultrasound in an emergent airway situation to rapidly localize and retrieve an aspirated foreign body...
November 2017: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/29143451/using-intraoral-scanning-technology-for-three-dimensional-printing-of-kennedy-class-i-removable-partial-denture-metal-framework-a-clinical-report
#10
Feng Hu, Zhenhua Pei, Ying Wen
Removable partial dentures (RPDs) are used to restore missing teeth and are traditionally fabricated using the lost-wax casting technique. The casting process is arduous, time-consuming, and requires a skilled technician. The development of intraoral scanning and 3D printing technology has made rapid prototyping of the RPD more achievable. This article reports a completed case of direct fabrication of a maxillary RPD metal framework (Kennedy Class I) using intraoral scanning and 3D printing techniques. Acceptable fit and satisfactory clinical outcome were demonstrated...
November 16, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29128693/effect-of-adding-support-structures-for-overhanging-part-on-fatigue-strength-in-selective-laser-melting
#11
Yuka Kajima, Atsushi Takaichi, Takayuki Nakamoto, Takahiro Kimura, Nuttaphon Kittikundecha, Yusuke Tsutsumi, Naoyuki Nomura, Akira Kawasaki, Hidekazu Takahashi, Takao Hanawa, Noriyuki Wakabayashi
Selective laser melting (SLM) technology was recently introduced to fabricate dental prostheses. However, the fatigue strength of clasps in removable partial dentures prepared by SLM still requires improvement. In this study, we attempted to improve the fatigue strength of clasps by adding support structures for overhanging parts, which can generally be manufactured at an angle to be self-supporting. The results show that the fatigue strength of the supported specimens was more than twice that of unsupported specimens...
November 6, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29101546/retention-force-of-removable-partial-dentures-with-different-double-crowns
#12
Christin Arnold, Jeremias Hey, Jürgen M Setz, Arne F Boeckler, Ramona Schweyen
OBJECTIVES: The aim of the study was to compare the retentive behaviors of double crowns with different designs and material compositions before and after artificial aging. MATERIALS AND METHODS: Six pairs of double crowns were fabricated: telescopic crowns 0° made of high-noble metal (group A) or non-precious metal (group B), telescopic zirconia copings with secondary crowns made of electroplated gold 2° (group C), crowns with friction pins 2° made of non-precious metal (group D) or zirconia (group E), and conical crowns 6° made of high-noble metal (group F)...
November 3, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29098745/prosthodontic-management-of-a-patient-with-moebius-syndrome-a-clinical-report
#13
Ahmed Mahrous, Ghadeer Thalji
Moebius/Mӧbius Syndrome (MS) is an extremely rare congenital disorder characterized by uni- or bilateral palsy of the abducens (VI) and the facial (VII) nerves, causing facial paralysis. Dysfunction of cranial nerves III through XII is common, most often the glossopharyngeal (IX) and hypoglossus (XII). Afflicted individuals seeking prosthodontic care, particularly removable prosthetics, present multiple challenges related to inherent facial and tongue muscle weakness and microstomia. Other extraoral anomalies may include congenital multiple arthrogryposis and malformations of the upper and lower limbs...
November 3, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29084296/a-protocol-for-screw-retrievable-cement-retained-implant-supported-fixed-partial-dentures
#14
Abdulaziz AlHelal, Mathew T Kattadiyil, Bader AlBader, Jefferson L Clark
Longevity of implant-supported fixed partial dentures (ISFPDs) may be associated with multiple clinical complications, irrespective of whether retention is achieved via screws or cement. While use of screws ensures ease of prosthesis retrievability and elimination of the inherently risky cementation process, more mechanical strains are induced in this design. A combined screw-retrievable and cement-retained ISFPD is designed to achieve the best passive fit and strain reduction while allowing complete excess cement removal and maintaining ease of retrievability...
November 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29082902/comparison-of-patient-satisfaction-with-acrylic-and-flexible-partial-dentures
#15
Clara Arianta Akinyamoju, Tunde Joshua Ogunrinde, Juliana Obontu Taiwo, Oluwole Oyekunle Dosumu
PURPOSE: Restoration of partial edentulous mouth may be done using a variety of treatment options. Removable partial denture (RPD) is commonly used because of its availability. RPDs from flexible resins unlike those from acrylic engage hard and soft tissue undercuts and feel more comfortable in the mouth. The aim of the study was to compare satisfaction with dentures made from these two types of materials. MATERIALS AND METHODS: It was a quasi-experimental study among thirty patients at the Prosthetics Clinic, University College Hospital, Ibadan...
July 2017: Nigerian Postgraduate Medical Journal
https://www.readbyqxmd.com/read/29067787/impact-of-removable-partial-dental-prostheses-on-the-oral-health-related-quality-of-life-of-a-south-african-cohort-with-varied-distributions-of-missing-posterior-teeth
#16
Sadika Khan, Usuf Chikte, Ridwaan Omar
PURPOSE: To determine the impact of removable partial dental prostheses on satisfying the daily functioning and quality of life (QoL) of adult patients with different distributions of missing posterior teeth. MATERIALS AND METHODS: A cross-sectional interventional study was carried out on 80 patients having variously distributed posteriorly shortened and interrupted arches. Treatment comprised provision of partial dentures by senior dental students, supervised by senior clinical teachers who had knowledge of the potential benefits of the shortened dental arch (SDA) concept...
October 25, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29042738/prosthetic-rehabilitation-of-mandibular-defects-with-fixed-removable-partial-denture-prosthesis-using-precision-attachment-a-twin-case-report
#17
Vimal Kantilal Munot, Ramesh P Nayakar, Raghunath Patil
The restoration of normal function and esthetic appearance with a dental prosthesis is a major challenge in the rehabilitation of patients who have lost their teeth and surrounding bone because of surgery for oral cyst or tumor. Rehabilitation with fixed or removable prosthesis is even more challenging when the edentulous span is long and the ridge is defective. Anatomic deformities and unfavorable biomechanics encountered in the region of resection add to the misery. In such situation, a fixed-removable prosthesis allows favorable biomechanical stress distribution along with restoration of esthetics, phonetics, comfort, hygiene, and better postoperative care and maintenance...
July 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/28989124/comparison-of-shear-bond-strengths-of-conventional-resin-cement-and-self-adhesive-resin-cement-bonded-to-lithium-disilicate-an-in-vitro-study
#18
Anip K Roy, Dennis Mohan, M Sunith, Rashmi B Mandokar, S Suprasidh, Soumya Rajan
AIM: The aim of this study is to compare the shear bond strengths of conventional resin cement and self-adhesive resin cement bonded to lithium disilicate. MATERIALS AND METHODS: A total of 40 extracted human molar teeth were mounted in self-cure acrylic resin. Teeth were prepared to obtain flat occlusal surface. About 40 lithium disilicate specimens of dimension-10 mm in diameter and thickness of 2 mm-were fabricated using lost wax technique. The samples were divided into four groups: Groups I, II, III, and IV (n = 10)...
October 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28977047/antifungal-activity-of-linalool-in-cases-of-candida-spp-isolated-from-individuals-with-oral-candidiasis
#19
I J Dias, E R I S Trajano, R D Castro, G L S Ferreira, H C M Medeiros, D Q C Gomes
This study analyzed the antifungal activity of phytoconstituents from linalool on Candida spp. strains, in vitro, isolated from patients with clinical diagnoses of oral candidiasis associated with the use of a dental prosthesis. Biological samples were collected from 12 patients using complete dentures or removable partial dentures and who presented mucous with diffuse erythematous or stippled features, indicating a clinical diagnosis of candidiasis. To identify fungal colonies of the genus Candida, samples were plated onto CHROMagar Candida®...
September 28, 2017: Brazilian Journal of Biology, Revista Brasleira de Biologia
https://www.readbyqxmd.com/read/28951033/dentin-like-versus-rigid-endodontic-post-11-year-randomized-controlled-pilot-trial-on-no-wall-to-2-wall-defects
#20
Michael Naumann, Guido Sterzenbach, Thomas Dietrich, Kerstin Bitter, Roland Frankenberger, Manja von Stein-Lausnitz
INTRODUCTION: This is the first long-term randomized controlled trial to evaluate dentin-like glass fiber posts (GFPs) compared with rather rigid titanium posts (TPs) for post-endodontic restoration of severely damaged endodontically treated teeth with 2 or fewer remaining cavity walls. METHODS: Ninety-one subjects in need of post-endodontic restorations were randomly assigned to receive either a tapered GFP (n = 45) or TP (n = 46). Posts were adhesively luted by using self-adhesive resin cement, followed by composite core build-up and preparation of 2-mm ferrule design...
November 2017: Journal of Endodontics
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