journal
https://read.qxmd.com/read/38580582/comparison-of-clinical-outcomes-between-single-metal-ceramic-and-zirconia-crowns
#21
JOURNAL ARTICLE
Neena L D'Souza, Emma Ml Jutlah, Rachel A Deshpande, Eszter Somogyi-Ganss
STATEMENT OF PROBLEM: Evidence comparing the survival of zirconia crowns with metal-ceramic crowns is sparse. Knowledge of their survival and a comparison of their clinical outcomes would improve clinical decision making. PURPOSE: The purpose of this university-based study was to compare the survival, failures, biological and technical complications encountered with zirconia and metal-ceramic crowns restored and followed up over a similar period. MATERIAL AND METHODS: This retrospective chart review consisted of 403 patients treated at the University of Toronto, Faculty of Dentistry, predoctoral dental clinic in whom zirconia (n=209) and metal-ceramic (n=306) crowns were inserted between September 2015 and July 2016 and followed for up to 7 years...
April 4, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38570282/clinical-benefits-of-immediate-dentin-sealing-a-systematic-review-and-meta-analysis
#22
REVIEW
Mohammed Ahmed Alghauli, Ahmed Yaseen Alqutaibi, Sary Borzangy
STATEMENT OF PROBLEM: The clinical complications, success, and survival rates of indirect restorations delivered with the immediate dentin sealing protocol are unclear. PURPOSE: The purpose of this systematic review and meta-analysis was to find and collect evidence on the clinical complication, success, and survival rates of indirect restorations delivered with immediate dentin sealing. MATERIAL AND METHODS: Electronic databases were searched for clinical studies on immediate dentin sealing up to December 2023, without language or time limitations...
April 2, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38570281/autonomous-robotic-system-for-the-assisted-immediate-placement-of-a-maxillary-anterior-implant-a-clinical-report
#23
JOURNAL ARTICLE
Shasha Jia, Guowei Wang, Yimin Zhao, Xiaojing Wang
Precise reproduction of the preoperatively designed 3-dimensional (3D) implant position is key to seating a prefabricated restoration and restoring esthetics. Static and dynamic computer-aided implant surgery (CAIS) based on the fusion of 3D imaging files have been used to improve implant accuracy. However, both techniques have shortcomings that can be remedied by a robotic system. This clinical report describes the immediate placement of an implant in the anterior esthetic zone by using an autonomous dental implant robotic system (ADIR)...
April 2, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38565440/effect-of-prosthetic-management-of-congenital-cleft-lip-and-palate-on-the-middle-ear-function-of-infants-a-clinical-trial
#24
JOURNAL ARTICLE
Kamel M S Aboelsayed, Mahmoud K H Abdel Razek, Samir Assal, Ahmed M A Habib, Rana A Negm
STATEMENT OF PROBLEM: Infants with a cleft palate often experience middle ear disease, a condition of great significance, and early prosthetic management of these infants is essential. However, any correlation between prosthetic palatal obturation and middle ear function is unclear. PURPOSE: The purpose of this clinical trial was to assess whether prosthetic palatal obturation with a feeding appliance prevented or improved middle ear problems in infants with a cleft lip and palate...
April 1, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38565439/fabricating-a-digital-custom-tray-and-interim-complete-denture-base-a-dental-technique
#25
JOURNAL ARTICLE
Hong Li, Hefei Bai, Kenan Ma, Feng Sun, Hu Chen
High-quality impressions and accurate occlusal relationship records are essential for the success of complete dentures. A custom impression tray and interim complete denture base fabricated by computer-aided design and computer-aided manufacturing (CAD-CAM) are introduced, enhancing the ability to obtain precise definitive impressions and accurate jaw relation records and improving complete denture treatment.
April 1, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38556406/impact-of-the-superimposition-reference-area-on-intraoral-scanning-accuracy-in-a-partially-dentate-maxilla
#26
JOURNAL ARTICLE
Enas Elhamy Negm, Mangala Patel, Paul Ryan
STATEMENT OF PROBLEM: The alignment of 3-dimensional (3D) files involves selecting a reference area before performing a local best fit alignment during the digital scan superimposition and is essential for comparing digital scans. Scan alignment relies on both reference area location and the alignment algorithm. However, a consensus on the impact of different reference areas on intraoral scanning accuracy is lacking. PURPOSE: The purpose of this in vitro study was to assess the impact of 3 superimposition reference areas on the accuracy of 3 intraoral scanners for a partially dentate maxilla...
March 30, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38556405/a-fully-digital-approach-to-replacing-an-obturator-prosthesis-using-a-3d-printed-closed-hollow-bulb-%C3%AE-dental-technique
#27
JOURNAL ARTICLE
Theodoros Tasopoulos, Olga Naka, Ioannis Tampakos, George Kouveliotis, Panagiotis Zoidis
The replacement of an obturator prosthesis using conventional methods has multiple issues. Standard tessellation language files generated from the superimposition of an accurate intraoral scanning of the maxillary defect and direct data acquisition of the existing hollow bulb obturator can facilitate the precise design of the prosthesis, requiring only minor adjustments. Rapid prototyping manufacturing techniques seem to ensure precise control of the integrity of the prosthetic component completion. The success of the technique is the simplicity and repeatability of designing and fabricating a retrievable and easily repairable obturator...
March 30, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38556404/fixed-prosthodontic-rehabilitation-of-a-patient-after-bariatric-surgery-using-a-facially-driven-fully-digital-workflow-a-clinical-report-with-a-3-year-follow-up
#28
JOURNAL ARTICLE
Naif Sinada, Christina I Wang
Patients who have received bariatric surgery have specific and complex dental needs. After surgery, nutrient deficiencies, osteoporosis, gastroesophageal reflux, and changes to the oral cavity may be seen, and erosion, caries, wear, xerostomia, hypersensitivity, and changes to the salivary buffering capacity may occur. In addition, patients are advised to ingest smaller, more frequent, meals throughout the day, and the oral condition may decline rapidly after surgery. Without oversight, this accelerated decline may even necessitate complete mouth rehabilitation postoperatively...
March 30, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38555270/single-posterior-implant-supported-restorations-fabricated-using-a-scannable-healing-abutment-versus-a-conventional-scan-body-a-randomized-controlled-trial
#29
JOURNAL ARTICLE
Rania E Ramadan, Mahmoud Khamis Abdel Razek, Faten S Mohamed, Rania A Fahmy, Mervat E Abd-Ellah
STATEMENT OF PROBLEM: The use of a scannable healing abutment is a convenient option for fabricating implant-supported restorations (ISRs) with a digital workflow; however, clinical studies evaluating prosthetic efficacy are lacking. PURPOSE: The purpose of this randomized controlled trial was to investigate the prosthetic efficacy of definitive posterior single ISRs fabricated after scanning using a scannable healing abutment-scan peg (SHA-SP) in comparison with a conventional scan body (CSB)...
March 29, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38555269/a-combination-crown-lengthening-and-implant-placement-guide
#30
JOURNAL ARTICLE
Mariona Rodeja-Vazquez, Juan Camilo Torres-Rodriguez, Santiago Costa-Palau, José Nart, Francisco Real-Voltas
Surgical procedures, including crown lengthening and implant placement, have become more predictable and less invasive because of the use of digital planning tools. A method combining a cone beam computed tomography and a digital scan with a virtual planning software program is described to fabricate a combination guide for both surgical esthetic crown lengthening and guided implant placement.
March 29, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38555268/color-and-strength-graded-zirconia-strength-light-transmission-and-composition
#31
JOURNAL ARTICLE
Anvita Maharishi, Edward A McLaren, Shane N White
STATEMENT OF PROBLEM: Natural teeth are graded in terms of translucency and strength. Graded zirconia materials are now available with a higher yttria content on the top or in the enamel zone to increase surface translucency and a lower yttria content on the bottom or in the dentin zone to increase strength. Such materials could provide multiple advantages over uniform materials and reduce the need for porcelain veneering in anterior artificial crowns; however, studies on the properties of these materials are lacking...
March 29, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38553302/targeting-bonding-protocols-to-increase-the-bond-between-acrylic-resin-or-3d-printed-denture-bases-and-prefabricated-or-3d-printed-denture-teeth
#32
JOURNAL ARTICLE
Ana Larisse Carneiro Pereira, Rodrigo Falcão Carvalho Porto de Freitas, Manassés Tercio Vieira Grangeiro, Annie Karoline Bezerra de Medeiros, Marco Antônio Bottino, Valentim A R Barão, Adriana da Fonte Porto Carreiro
STATEMENT OF PROBLEM: The difference in chemical composition between denture base resin and denture teeth requires the development of bonding protocols that increase the union between the materials. PURPOSE: The purpose of this in vitro study was to evaluate the impact of different bonding protocols on the bond between heat-polymerized and 3-dimensionally (3D) printed acrylic resin denture bases and acrylic resin prefabricated and 3D printed artificial teeth. MATERIAL AND METHODS: Four types of artificial teeth were evaluated: prefabricated acrylic resin (VITA MFT) and 3D printed (Cosmos TEMP, PRIZMA 3D Bio Denture, and PrintaX AA Temp) bonded to 20×24-mm cylinders of heat-polymerized (VipiWave) and 3D printed (Cosmos Denture, PRIZMA 3D Bio Denture, and PrintaX BB Base) denture bases...
March 28, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38538446/response-to-letter-to-the-editor-regarding-digital-workflow-for-low-cost-3d-printed-custom-healing-abutment-based-on-emergence-profile-cbct-segmentation
#33
LETTER
Mariana Balcewicz Pozza, Alan Jony de Moura Costa, Shaban Burgoa, Dionir Ventura, Arthur Rodriguez Gonzalez Cortes
No abstract text is available yet for this article.
March 26, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38523046/development-of-an-antimicrobial-3d-printable-denture-base-material-with-k18-quaternary-ammonium-silane-functionalized-methyl-methacrylate-and-filler
#34
JOURNAL ARTICLE
Mansi Patel, Leslie Barrera, Lianrui Chu, Kyumin Whang
STATEMENT OF PROBLEM: Denture base materials are highly susceptible to microbial colonization, which can lead to denture stomatitis. In addition, patients who sleep with their dentures have an increased chance of contracting pneumonia. Commercially available antimicrobial denture base materials to prevent or combat microbial colonization are lacking. PURPOSE: The purpose of this in vitro study was to determine the effects of K18 quaternary ammonium methacryloxy silane-functionalized filler (K18-Filler) and methyl methacrylate (K18-MMA) on the polymerization of 3D printed denture base material and its esthetic, mechanical, and antimicrobial properties...
March 23, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38523045/letter-to-the-editor-regarding-digital-workflow-for-low-cost-3d-printed-custom-healing-abutment-based-on-emergence-profile-cbct-segmentation
#35
LETTER
Georgi Talmazov, Pierre-Luc Michaud
No abstract text is available yet for this article.
March 23, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38519327/layperson-assessment-of-smile-lines-and-upper-lip-combined-images-in-smile-esthetics
#36
JOURNAL ARTICLE
Yan-Geng Xu, Ning Wei, Jian-Xun Zhang, Cui Wang, Yan-Ling Zhang, Wen-Jie Hu, Kwok-Hung Chung
STATEMENT OF PROBLEM: The esthetic assessment of smile lines by laypersons is a subject of ongoing debate. However, smile lines often appear with different types of upper lip curvature, which further complicates the esthetic assessment process, and studies on this combination are lacking. PURPOSE: The purpose of this clinical study was to investigate a layperson's esthetic perception of smile lines and upper lip combined images. MATERIAL AND METHODS: Twenty-six smile images resulting from combinations of 3 upper lip types, 4 anterior smile line types, and 3 posterior smile line types were generated by an image editing software program...
March 21, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38519326/an-integrated-digital-workflow-for-long-term-interim-combined-fixed-and-removable-prostheses
#37
JOURNAL ARTICLE
Manuel Bratos, Van Ramos, Wei He, Hai Zhang
Interim prostheses are required for the management of complex prosthodontic treatment which sometimes comprises both fixed and removable prostheses in the same arch. The traditional workflow for interim combined fixed and removable prostheses is time consuming and results can be unpredictable. A novel integrated digital workflow was adopted in the management of long-term interim combined fixed and removable prostheses. Highly cross-linked polymethyl methacrylate was used for the digital fabrication of both interim fixed and removable prostheses...
March 21, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38514280/closed-sinus-lift-and-fixed-prostheses-versus-implant-assisted-overdentures-in-management-of-atrophied-distal-extension-maxillary-ridges-a-one-year-randomized-clinical-trial
#38
JOURNAL ARTICLE
Khalid Ali Abd-Elmoneam Khorshed, Mohamed Elgamal, Mai Ahmed Haggag, Moustafa Abdou ELsyad
STATEMENT OF PROBLEM: Rehabilitation of elderly or medically compromised patients with an atrophied unilateral posterior maxillary ridge by an implant-supported prosthesis may be complicated by maxillary sinus pneumatization with insufficient bone for implant placement. PURPOSE: This short-term clinical trial assessed clinical results of closed sinus lift and fixed prosthesis versus implant-assisted overdentures in the management of participants with atrophied distal extension maxillary ridges...
March 20, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38493065/effectiveness-of-immediate-implant-placement-into-defective-sockets-in-the-esthetic-zone-a-systematic-review-and-meta-analysis
#39
REVIEW
Rui Chen, Jialin Xu, Shuang Wang, Siyi Duan, Zijian Wang, Xiaodong Zhang, Yulong Tang
STATEMENT OF PROBLEM: A defective socket is common after tooth extraction in the esthetic zone, but whether an implant can be immediately placed in a defective socket is unclear. PURPOSE: The purpose of this systematic review and meta-analysis was to summarize relevant studies within the last 20 years on implant survival and changes in soft and hard tissues after immediate implant placement in esthetic areas with socket defects. MATERIAL AND METHODS: A search was conducted for the relevant studies in the PubMed/Medline, the Cochrane Library, Web of Science, and Embase databases from January 2000 to March 2022...
March 15, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38490936/automated-scoring-and-augmented-reality-visualization-software-program-for-evaluating-tooth-preparations
#40
JOURNAL ARTICLE
Hang-Nga Mai, Hien Chi Ngo, Seok-Hwan Cho, Du-Hyeong Lee
STATEMENT OF PROBLEM: Tooth preparation is an essential part of prosthetic dentistry; however, traditional evaluation methods involve subjective visual inspection that is prone to examiner variability. PURPOSE: The purpose of this study was to investigate a newly developed automated scoring and augmented reality (ASAR) visualization software program for evaluating tooth preparations. MATERIAL AND METHODS: A total of 122 tooth models (61 anterior and 61 posterior teeth) prepared by dental students were evaluated by using visual assessments that were conducted by students and an expert, and auto assessment that was performed with an ASAR software program by using a 3-dimensional (3D) point-cloud comparison method...
March 14, 2024: Journal of Prosthetic Dentistry
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