keyword
https://read.qxmd.com/read/38523922/efficacy-of-a-novel-computerized-aid-in-designing-removable-partial-dentures
#1
JOURNAL ARTICLE
Rajmohan Sivamani Chidambaram, Sudha Rajmohan, Sivakumar Manickam, Rachappa Mallikarjuna, Triveni Nalawade, Sanjay Saraf
BACKGROUND:  The development of computerized aids for dental education offers potential benefits in teaching complex procedures, such as the design of removable partial dentures (RPDs). This study aimed to assess the efficacy of a novel computerized tool in enhancing the ability of both dental students and practicing dentists to design RPDs, as well as to evaluate its utility as an interactive educational instrument. METHODS:  A cohort comprising a total of 75 individuals (25 practicing dentists and 50 undergraduate dental students) was enlisted...
February 2024: Curēus
https://read.qxmd.com/read/38520400/effect-of-different-framework-materials-on-stresses-induced-in-distal-extension-removable-partial-dentures-a-strain-gauge-analysis
#2
JOURNAL ARTICLE
Maha Mahmoud Fahmy, Mahmoud Hassan Al-Afandy, Hebatallah Tarek Mohamed, Ahmed Mostafa Abdelfattah Mohamed
PURPOSE: Evaluation of the strain transmitted to the abutments and residual ridge by polyetherketoneketone material compared to the cobalt-chromium one in distal extension removable partial dentures (RPDs) to fulfill the objective of preservation of the supporting structures. MATERIALS AND METHODS: A virtual model simulating a Kennedy class I partially edentulous mandibular arch was designed. Two models, one for each group, were printed. Five RPDs were made in each group...
March 23, 2024: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://read.qxmd.com/read/38517820/effect-of-orthodontics-combined-with-fibre-reinforced-composite-resin-bonded-fixed-partial-denture-on-anterior-dentition-defects-with-minimal-vertical-intermaxillary-space
#3
JOURNAL ARTICLE
Shi-Lei Han, Na Li
BACKGROUND: Prosthodontics are often performed to treat patients with malocclusion and dentition defects. However, single prosthodontics cannot properly correct the disharmony of teeth, dental arch and other parts affected by malocclusion, and some patients may have difficulty in recovering the occlusal function due to poor prosthodontics. OBJECTIVE: This study aims to investigate the effect of orthodontics combined with fibre-reinforced composite resin-bonded fixed partial denture (FRC-RBFPD) on anterior dentition defects with minimal vertical intermaxillary space...
February 29, 2024: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/38513226/3d-printed-custom-tray-for-maxillofacial-implant-assisted-partial-denture
#4
JOURNAL ARTICLE
Yutaro Oyamada, Yuka Sasaki, Kazuhiro Kon
This technique presents a new fabrication workflow for a three-dimensional (3D) printed custom tray, which duplicates the morphology of the treatment denture for maxillofacial prostheses using an intraoral scanner, computer-aided design (CAD) software, and a 3D printer. A 70-year-old man underwent reconstruction of segmental mandibulectomy for mandibular osteoblastoma, followed by implant placement and secondary surgery. During the surgical treatment, a treatment denture was fabricated to restore oral function and determine the morphology of the definitive denture...
March 21, 2024: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://read.qxmd.com/read/38512996/proposal-regarding-potential-causes-related-to-certain-complications-with-dental-implants-and-adjacent-natural-teeth-physics-applied-to-prosthodontics
#5
JOURNAL ARTICLE
Gary Goldstein, Charles Goodacre, Marion S Brown, Dennis P Tarnow
PURPOSE: Complications can and do occur with implants and their restorations with causes having been proposed for some single implant complications but not for others. METHODS: A review of pertinent literature was conducted. A PubMed search of vibration, movement, and dentistry had 175 citations, while stress waves, movement, and dentistry had zero citations as did stress waves, movement. This paper discusses the physics of vibration, elastic and inelastic collision, and stress waves as potentially causative factors related to clinical complications...
March 21, 2024: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://read.qxmd.com/read/38504246/oral-health-related-quality-of-life-and-reasons-for-discontinuing-partial-removable-dental-prosthesis-usage-a-cross-sectional-study-with-one-to-seven-years-of-follow-up
#6
JOURNAL ARTICLE
Siraphob Techapiroontong, Nareudee Limpuangthip
BACKGROUND: In partial edentulous individuals, a partial removable dental prosthesis (PRDP) is a common dental replacement option to improve oral function and quality of life. However, some patients discontinue using their denture over time. The aim of this study was to determine the prevalence and characteristics of partial edentulous patients who no longer wear their dentures, explore their reasons, and assess their oral health-related quality of life (OHRQoL). METHODOLOGY: This cross-sectional study, conducted at Chulalongkorn University Dental School from 2013 to 2019, involved patients who received PRDP treatment...
March 20, 2024: BMC Oral Health
https://read.qxmd.com/read/38500254/comparative-accuracy-of-intraoral-and-extraoral-digital-workflows-for-short-span-implant-supported-fixed-partial-denture-fabrication-an-in-vitro-study
#7
JOURNAL ARTICLE
Manawar Ahmad Mansoor, Mohammed E Sayed, Hina Naim Abdul, Meshal Saleh Zaidan, Thamer Mohammad Hakami, Mohammed Abdullah Dighriri, Saeed M Alqahtani, Mohammed A Alfaifi, Majed S Altoman, Hossam F Jokhadar, Saad Saleh AlResayes, Mohammed H AlWadei, Asayil Ibrahim Jundus, Abeer Mohammed Komosany, Hind Ziyad AlNajjar
BACKGROUND The advent of digital impressions using computer-aided design and manufacturing technology (CAD/CAM) has simplified and improved the fabrication of implant prostheses in dentistry. The conventional impression has several drawbacks, including tray selection, material type, impression technique, impression disinfection, and cast model storage. The inaccuracies caused by distortion and contraction of impression material can be minimized with digital impressions. This study aimed to compare digital dental impressions of 10 working casts made using the Pindex laser removable die system to fabricate parallel drill channels vs 10 working casts made using the Di-Lok plastic tray removable die system...
March 19, 2024: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://read.qxmd.com/read/38489220/fracture-strength-of-six-unit-anterior-fixed-provisional-restorations-fabricated-using-various-dental-cad-cam-systems
#8
JOURNAL ARTICLE
Gyu-Won Yoon, Eun-Jin Park
PURPOSE: This study compares the fracture strengths of long-span fixed provisional restorations fabricated via digital additive and subtractive methods to those fabricated via conventional heat-processing techniques. MATERIALS AND METHODS: A six-unit anterior partial restoration was designed as an anatomical and morphologic structure using a dental CAD/CAM system. The provisional restorations (N = 40) of four different fabrication methods (n = 10 per group) were used for the failure loading test: stereolithography apparatus (SLA), liquid crystal display (LCD), milling (MIL), and heat-processed temporary (HPT)...
February 21, 2024: International Journal of Prosthodontics
https://read.qxmd.com/read/38489219/does-the-build-orientation-parameter-affect-the-fit-of-fixed-partial-dentures-fabricated-by-additive-manufacturing
#9
JOURNAL ARTICLE
Elie E Daou
PURPOSE: This in vitro study evaluated the adaptation of cobalt-chromium (Co-Cr) fixed dental prostheses (FDPs) fabricated by selective laser melting (SLM) with different build angles. MATERIALS AND METHODS: Maxillary right first premolars and first molars from a typodont were prepared with 1-mm chamfer, 2-mm occlusal reduction, and total taper of 8 degrees to receive three-unit FDPs. After framework design, data were sent to a laser machine, and 30 specimens were fabricated from Co-Cr metal powder by SLM...
February 21, 2024: International Journal of Prosthodontics
https://read.qxmd.com/read/38489216/accuracy-of-conventional-and-3d-printed-casts-for-partial-fixed-prostheses
#10
JOURNAL ARTICLE
Caio César Dias Resende, Guilherme Faria Moura, Fabio Antonio Piola Rizzante, Luiz Henrique Gonzaga, Alessandro Lourenço Januario, Gustavo Mendonça, Flávio Domingues das Neves, Karla Zancopé
PURPOSE: To evaluate and compare the accuracy of conventional and 3D-printed casts using five different 3D printers. MATERIALS AND METHODS: In the control group (CG group, n = 5), five conventional impressions using light- and heavy-body polyvinyl siloxane were obtained from the master model, resulting in five stone models. In the test groups, five different scans were performed by a well-trained and experienced clinician using a TRIOS intraoral scanner. All data were exported in STL file format, processed, and sent to five 3D printers...
February 21, 2024: International Journal of Prosthodontics
https://read.qxmd.com/read/38480016/effect-of-a-calibration-aid-and-the-intraoral-scanner-on-the-registration-of-a-partially-edentulous-maxilla-an-in-vitro-study
#11
JOURNAL ARTICLE
Sophia Boehm, Stefan Rues, Alexandra Balzer, Peter Rammelsberg, Moritz Waldecker
STATEMENT OF PROBLEM: Precise data are a prerequisite for accurately fitting restorations. Therefore, intraoral scanners have to be reliable. Data on differences between the same model of intraoral scanning systems are lacking. PURPOSE: This in vitro study evaluated differences in the scanning accuracy of a partially edentulous maxilla between combinations of new intraoral scanners of a single model from the same manufacturer (Primescan; Dentsply Sirona) and several calibration aids...
March 12, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38479888/a-dual-composite-resin-injection-molding-technique-with-3d-printed-flexible-indices-for-biomimetic-replacement-of-a-missing-mandibular-lateral-incisor
#12
JOURNAL ARTICLE
Keiichiro Watanabe, Eiji Tanaka, Kohei Kamoi, Antonin Tichy, Takahiko Shiba, Kazuhide Yonerakura, Masatoshi Nakajima, Ruonan Han, Keiichi Hosaka
PATIENTS: This case report presents a minimally invasive approach to replace a missing mandibular lateral incisor using a dual-injection molding technique with flowable composite resins. Integrated with a comprehensive digital workflow, this method achieves a structurally and esthetically biomimetic, bi-layered prosthetic solution. A 34-year-old woman with congenital absence of a mandibular lateral incisor was successfully rehabilitated using a direct composite resin-bonded fixed partial denture (RBFPD)...
March 13, 2024: Journal of Prosthodontic Research
https://read.qxmd.com/read/38459478/application-of-lecture-and-team-based-learning-in-stomatology-in-class-and-online
#13
JOURNAL ARTICLE
Biyao Wang, Shan Jin, Minghao Huang, Kaige Zhang, Qing Zhou, Xinwen Zhang, Xu Yan
BACKGROUND: This study aimed to evaluate stomatological students' learning efficacy and their attitude towards Lecture-Team-Based Learning (LTBL) on topics regarding the design of removable partial dentures via in-class, online, and both in combination. METHODS: Students from seven distinct grades participated in the course in their fourth academic year (Years 2015, 2016, 2017, 2018, 2019, 2020, and 2021). Students of Years 2015-2019 attended in-class LTBL, students of Year 2020 attended online LTBL, and students of Year 2021 attended the combination mode...
March 8, 2024: BMC Medical Education
https://read.qxmd.com/read/38450845/the-relationship-and-affecting-factors-between-oral-health-and-frailty-in-the-older-people-a-cross-sectional-study
#14
JOURNAL ARTICLE
Fatma Zehra Genç, Arzu Uslu
OBJECTIVE: To investigate the connection between oral health and frailty in older people and to determine the affecting factors. DESIGN: The research was a community-based cross-sectional study. SAMPLE: A Family Health Center conducted a study on 321 older people. MEASUREMENTS: Data were collected face-to-face using the Personal Information Form, Geriatric Oral Health Assessment Index, and Edmonton Frailty Scale. Factors affecting oral health and frailty were examined using the MANOVA test and the relationship between them was examined using Pearson's correlation test...
March 7, 2024: Public Health Nursing
https://read.qxmd.com/read/38433293/behaviors-hygiene-habits-and-sources-of-care-among-removable-complete-and-partial-dentures-wearers-a-multicenter-cross-sectional-study
#15
JOURNAL ARTICLE
Radwan Algabri, Ahmed Yaseen Alqutaibi, Sadeq Altayyar, Abdulkarem Mohammed, Ghadeer Khoshafa, Emad Alryashi, Shaher Al-Shaher, Baghdad Hassan, Gubran Hassan, Motaher Dammag, Sami Al-Aqab, Shaima Al-Shami, Abdulrhman Al-Barakani
OBJECTIVES: There is a lack of data regarding the hygiene practices and sources of care among individuals in Yemen who wear removable complete and partial dentures. The purpose of this study was to explore the behaviors, hygiene habits, and sources of care information among patients who utilize complete and partial dentures in Yemen. MATERIALS AND METHODS: A descriptive cross-sectional research design was utilized, and a sample of 217 consecutive participants who wore removable complete and/or partial dentures were enlisted...
April 2024: Clinical and Experimental Dental Research
https://read.qxmd.com/read/38429151/effect-of-connector-height-and-retainer-occlusal-thickness-on-the-fracture-resistance-of-posterior-4-unit-monolithic-5y-tzp-fixed-partial-dentures-after-thermomechanical-aging
#16
JOURNAL ARTICLE
Yousef Khaled ElShamoty, Haneen Adnan Sadeqi, Mirza Rustum Baig
STATEMENT OF PROBLEM: The connector height and retainer occlusal thickness of fixed partial dentures (FPDs) may affect restoration longevity. PURPOSE: The purpose of this in vitro study was to determine and compare the fracture resistance of 4-unit monolithic 5% yttria tetragonal zirconia polycrystal (5Y-TZP) FPDs made with different connector heights and retainer occlusal thicknesses after thermomechanical aging. MATERIAL AND METHODS: Forty test metal dies were duplicated from a master metal die containing 2 anatomic abutment preparations of the mandibular right first premolar and second molar for a 4-unit FPD...
February 29, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38428807/restoration-of-teeth-with-severely-compromised-tooth-structure-using-digital-planning-combined-with-orthodontic-magnetic-extrusion-a-report-of-2-cases
#17
JOURNAL ARTICLE
Jaume Casaponsa, Thilla Sekar Vinothkumar, Paul M H Dummer, Venkateshbabu Nagendrababu, Francesc Abella Sans
This report outlines two digitally planned cases in which the teeth underwent magnetic extrusion to preserve the supracrestal tissue attachment and regain the ferrule, followed by their restoration. Case 1: A 42-year-old male with the chief concern of a fractured right maxillary second premolar. Following the completion of root canal treatment, the remaining tooth structure was insufficient to create a ferrule for tooth restoration. For this scenario, a rapid magnetic extrusion technique was performed on tooth #4 to obtain an approximate 3 mm ferrule...
February 28, 2024: Journal of Endodontics
https://read.qxmd.com/read/38411489/digital-planning-and-surveying-for-a-rotational-path-removable-partial-denture-a-case-report
#18
JOURNAL ARTICLE
Míria Rafaelli Souza Curinga, Débora Jidiane da Silva, Ana Larisse Carneiro Pereira, Nathalia Ramos da Silva, Adriana Fonte Porto Carreiro
Digital technology has been applied to the planning and manufacture of removable partial dentures (RPDs), reducing the complexity of RPD treatment as well as the number and duration of clinical and laboratory steps. However, there is a lack of information regarding digital planning and surveying for rotational path RPDs. This article presents a case report of a digital diagnostic wax-up and survey for a rotational path RPD performed with prosthetic design software. The virtual diagnostic closure tool made it possible during the case study stage to visualize the edentulous spaces and simulate the preparations necessary for the restoration of occlusal and esthetic harmony...
2024: General Dentistry
https://read.qxmd.com/read/38411487/prosthetically-driven-robot-assisted-implant-surgery-turning-a-major-failure-into-a-simple-case
#19
JOURNAL ARTICLE
Sean Pierce
This case report presents a challenging case of catastrophic failure of a fixed partial denture involving fracture of the prosthesis as well as supporting implants and teeth. The use of robotics facilitated efficient and successful restoration of the patient's dentition. After extraction of 2 fractured teeth and 1 fractured implant, 2 new implants were placed with haptic guidance from robotics, which allowed for stable osteotomies and high initial implant stability quotients. Due to the patient's tremors and heavy occlusal forces, restoration was delayed to allow the surgical site to heal, and the patient received a provisional partial denture...
2024: General Dentistry
https://read.qxmd.com/read/38406087/shielding-the-pier-abutment-using-a-nonrigid-connector
#20
Ekta M Kanojia, Anjali Bhoyar, Surekha R Dubey, Seema Sathe, Sheetal R Khubchandani, Rakhi Shinde
The attachment of a fixed partial denture (FPD) on a pier abutment may be necessary in some partially edentulous instances because of the pattern of lost teeth. Nonetheless, it has been noted that using a stiff FPD to restore two lost teeth and an intermediate pier abutment is not the best course of action. In this case, using a stiff connector concentrates the stresses on the pier abutment. In this situation, the pier abutment serves as a pivot, increasing the debonding of the fixed dental prosthesis and ultimately compromising the success of the FPD...
January 2024: Curēus
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