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International Journal of Prosthodontics

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https://www.readbyqxmd.com/read/28085988/survey-of-dental-materials-used-by-dentists-for-indirect-restorations-in-saudi-arabia
#1
Yousef Haider, Mohiddin Dimashkieh, Mohammad Rayyan
The purpose of this study was to investigate the use and selection of materials for indirect restorations by dentists in Saudi Arabia. A structured 18-item questionnaire was designed and sent via email to all dentists with active memberships in the Saudi Dental Society. A total of 373 dentists (20.2%) out of the 1,846 contacted answered the questionnaire. The majority of the responding dentists (81.5%) prefer to use porcelain-fused-to-metal crowns for posterior teeth, while 77.5% use all-ceramic crowns for anterior teeth...
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085987/inflammatory-papillary-hyperplasia-in-a-non-denture-wearing-patient-a-case-history-report
#2
Patricia Gual Vaqués, Enric Jané Salas, Antonio Marí Roig, José López-López
Inflammatory papillary hyperplasia (IPH) is a benign lesion of the palatal mucosa. It is usually found in denture wearers but has also been reported in dentate patients with no history of wearing maxillary prostheses. This case history report describes an example of the latter and highlights the importance of professional awareness to diagnose IPH among non-denture-wearing patients.
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085986/controlled-clinical-trial-on-the-outcome-of-glass-fiber-composite-cores-versus-wrought-posts-and-cast-cores-for-the-restoration-of-endodontically-treated-teeth-a-5-year-follow-up-study
#3
Ellen Cloet, Elke Debels, Ignace Naert
PURPOSE: The aim of this study was to compare the 5-year outcomes of glass fiber composite with cast posts and cores for the restoration of endodontically treated teeth. MATERIALS AND METHODS: A total of 143 patients in need of 203 full ceramic restorations on endodontically treated teeth were included. After primary stratification based on the need for post or no post, teeth were randomly allotted to test group 1 (prefabricated glass fiber posts), 2 (custom-made glass fiber posts), or 3 (composite cores without posts)...
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085985/effect-of-configurations-of-implants-supporting-a-four-unit-fixed-partial-denture-on-loading-distribution
#4
Nobuhiro Yoda, Jian Sun, Yoshiki Matsudate, Guang Hong, Tetsuo Kawata, Keiichi Sasaki
This study aimed to evaluate the effect of the configuration of implants supporting a four-unit fixed partial denture on load distribution. An epoxy resin model missing teeth from the first premolar to the second molar was used. Three-dimensional piezoelectric force transducers were set on implants placed in the missing teeth area with a four-unit experimental superstructure. Three-dimensional loads on the implants were measured with four different implant configurations when a static load of 100 N was applied...
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085984/using-bar-and-ball-attachments-in-maxillary-and-mandibular-implant-supported-overdentures-in-a-patient-with-adenoid-cystic-carcinoma-associated-with-microstomia-a-clinical-report
#5
Mehran Bahrami, Mohammed Hussein Alsharbaty
Many clinical studies and literature reviews have suggested that bar and ball attachments in maxillary and mandibular implant-supported overdentures (ISOs) should be indicated only when there is sufficient interocclusal space (IOS; minimum = 30 mm). The aim of this clinical report was to present the prosthetic rehabilitation of a patient with adenoid cystic carcinoma associated with microstomia due to radiotherapy (IOS = 23 mm). ISOs offer superior retention and greater stability than conventional obturators, so that base extensions were kept to the minimum...
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085983/the-clinical-performance-of-monolithic-lithium-disilicate-posterior-restorations-after-5-10-and-15-years-a-retrospective-case-series
#6
Carline Rg van den Breemer, Carolien Vinkenborg, Hans van Pelt, Daniel Edelhoff, Marco S Cune
PURPOSE: Lithium disilicate (LDS) glass-ceramic restorations are routinely used, but results over a period longer than 10 years are rare. The objective of this study was to obtain long-term clinical data on monolithic LDS posterior crowns provided by a single restorative dentist. MATERIALS AND METHODS: Eligible patients who received a circumferential LDS crown in the posterior region between 1997 and 2010 were invited to participate in a clinical examination in 2015...
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085982/determining-favorable-maxillary-implant-locations-using-three-dimensional-simulation-software-and-computed-tomography-data
#7
Tomoya Gonda, Koichiro Kamei, Yoshinobu Maeda
PURPOSE: Success rates for maxillary implant treatment are lower than for mandibular treatment because of the presence of poorer bone quality or quantity in the maxilla. The purpose of this study was to determine favorable implant positions in the maxilla using implant simulation software and clinical anatomical morphology together with bone quality data obtained by computed tomography (CT). MATERIALS AND METHODS: A convenience research sample of 10 edentulous subjects was recruited, and research information from right and left edentulous sites was obtained from each subject...
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085981/implant-retained-prosthetic-auricular-reconstruction-in-a-hemifacial-microsomia-individual-a-clinical-report
#8
Chai Kiat Chng, Narayan H Gandedkar
Hemifacial microsomia is the second most frequently encountered congenital facial anomaly after cleft lip and palate. This case history report describes a two-implant-supported auricular prosthetic reconstruction in a young patient with an absent auricle and malpositioned lobule. The selected treatment protocol was chosen because of its superior retention when compared with alternative retention systems. Moreover, a clip-bar attachment system is more reliable and easier to use when availability of anatomical landmarks is limited, and especially in active adolescents...
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085980/influence-of-abutment-angle-on-implant-strain-when-supporting-a-distal-extension-removable-partial-dental-prosthesis-an-in-vitro-study
#9
Kiyotaka Hirata, Toshihito Takahashi, Akiko Tomita, Tomoya Gonda, Yoshinobu Maeda
PURPOSE: This study evaluated the impact of angled abutments on strain in implants supporting a distal extension removable partial denture. MATERIALS AND METHODS: An in vitro model of an implant supporting a distal extension removable partial denture was developed. The implant was positioned with a 17- or 30-degree mesial inclination, with either a healing abutment or a corrective multiunit abutment. Levels of strain under load were compared, and the results were compared using t test (P = ...
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085979/sociodemographic-educational-behavioral-and-psychologic-factors-underlying-orofacial-esthetics-and-self-reported-oral-health
#10
Cristina Gómez-Polo, Javier Montero
PURPOSE: The aim of the present study was to compare sociodemographic, behavioral, and educational characteristics, together with personality traits, on perceptions of individuals' own oral health and orofacial esthetics. MATERIALS AND METHODS: The participants had different educational backgrounds: dentistry students and students not following health care-related courses (university groups), and volunteers with no university studies (nonstudent group). The age range was 18 to 30 years...
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085978/single-mandibular-implant-study-recruitment-considerations
#11
Nicole Passia, Samir Abou-Ayash, Daniela Bender, Elfriede Fritzer, Michael Graf, Stefanie Kappel, Ioannis Konstantinidis, Torsten Mundt, Nadine Frfr Maltzahn, Stefan Wolfart, Matthias Kern
PURPOSE: The aim of this multicenter single mandibular implant study was to compare the clinical outcome of an immediately loaded implant placed in the midline of an edentulous mandible with the clinical outcome when closed healing and delayed loading is chosen. Here, the patient recruitment period and the main reasons for exclusion were analyzed. MATERIALS AND METHODS: Patient recruitment was performed at nine German universities. Rather conservative inclusion and exclusion criteria, including denture satisfaction, denture status, a psychologic symptom checklist, and a defined bone height in the posterior mandible, had to be fulfilled...
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085977/effect-of-a-calcium-phosphate-desensitizer-on-pre-and-postcementation-sensitivity-of-teeth-prepared-for-full-coverage-restorations-a-randomized-placebo-controlled-clinical-study
#12
Rohit Shetty, Adarsh N Bhat, Deepak Mehta, Werner J Finger
PURPOSE: The aim of this study was to investigate the effect of Teethmate Desensitizer (TD), an aqueous slurry of calcium phosphates, on the pre- and postcementation sensitivity of contralateral premolars prepared for full-coverage restorations. MATERIALS AND METHODS: In this clinical study, using a split-mouth design, 20 patients were allocated and two contralateral vital premolars per patient were randomly assigned to treatment with TD and placebo (PLA; distilled water)...
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085976/clinical-fit-of-partial-removable-dental-prostheses-based-on-alginate-or-polyvinyl-siloxane-impressions
#13
Wietske A Fokkinga, Dick J Witter, Ewald M Bronkhorst, Nico H Creugers
PURPOSE: The aim of this study was to analyze the clinical fit of metal-frame partial removable dental prostheses (PRDPs) based on custom trays used with alginate or polyvinyl siloxane impression material. MATERIALS AND METHODS: Fifth-year students of the Nijmegen Dental School made 25 correct impressions for 23 PRDPs for 21 patients using alginate, and 31 correct impressions for 30 PRDPs for 28 patients using polyvinyl siloxane. Clinical fit of the framework as a whole and of each retainer separately were evaluated by calibrated supervisors during framework try-in before (first evaluation) and after (second evaluation) possible adjustments (score 0 = poor fit, up to score 3 = good fit)...
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085975/the-evaluation-of-unscrewing-torque-values-of-implant-abutment-connections-an-in-vitro-study
#14
Ezio Bruna, Andrea Fabianelli, Giacomo Mastriforti, Federica Papacchini
PURPOSE: This study investigated the stability of titanium screws in implant-abutment connections by measuring the force necessary to induce unscrewing. MATERIALS AND METHODS: A total of 60 implant-abutment couplings were assigned to two groups (n = 30 each). The sequence 10-20-32 Ncm was tested in Group 1; the sequence 10-20-32-32-32 Ncm was tested in Group 2. The force necessary to unscrew each abutment-implant sample was recorded and statistically analyzed. The significance level was set at P < ...
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085974/intraoral-scanning-systems-need-for-maintenance
#15
Peter Rehmann, Viktor Sichwardt, Bernd Wöstmann
PURPOSE: This study aimed to analyze a possible gain in accuracy in intraoral scanning systems by manufacturer calibration. MATERIALS AND METHODS: A master model was scanned tenfold with a Lava Chairside Oral Scanner (3m ESPE) and a CEREC Bluecam suspected to be decalibrated. Thereafter the scanners were calibrated and the model was scanned again. An iTero system served as comparison. All scans were compared to the master scan, and the mean deviation (entire arch, single tooth) was calculated...
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085973/the-fracture-resistance-of-composite-core-materials-reinforced-by-varying-fiber-orientations
#16
Derya Deniz Sungur, Bahadir Ersu, Arzu Tezvergil-Mutluy, Senay Canay
This study aimed to compare the fracture resistance of composite core materials reinforced with varying fiber orientations. Composite cores of endodontically treated roots were prepared by reinforcing with woven fiber discs, fiber strips, or fiber chips, and their fracture resistance was compared to those with no reinforcement using a universal test machine (Instron, Lloyd Instruments). Reinforcement with fiber chips showed the highest fracture resistance and 50% retrievability, while no reinforcement showed the lowest fracture resistance with 62...
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085972/enamel-renal-syndrome-a-case-history-report
#17
Daiane Cristianismo Costa, Maurício Rocha Dourado, Monize Ferreira Figueiredo de Carvalho, R R Santos, Mauro Antônio da Cruz Batista, Ana Terezinha Mesquita
Enamel renal syndrome (ERS) is a rare, commonly misdiagnosed condition that results in amelogenesis imperfecta and nephrocalcinosis and can lead to renal impairment in adulthood. This case history report describes a multidisciplinary dental management approach in a young adult patient with ERS.
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085971/a-critical-review-of-search-strategies-used-in-recent-systematic-reviews-published-in-selected-prosthodontic-and-implant-related-journals-are-systematic-reviews-actually-systematic
#18
Danielle Layton
PURPOSE: The aim of this study was to outline how search strategies can be systematic, to examine how the searches in recent systematic reviews in prosthodontic and implant-related journals were structured, and to determine whether the search strategies used in those articles were systematic. MATERIALS AND METHODS: A total of 103 articles published as systematic reviews and indexed in Medline between January 2013 and May 2016 were identified from eight prosthodontic and implant journals and reviewed...
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28085970/invited-commentary-on-knowledge-update-in-planning-comprehensive-dental-treatment-a-personal-overview
#19
Ernesto Borgia Botto
No abstract available.
January 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/27824986/esthetic-restoration-of-multiple-congenitally-missing-anterior-teeth-with-oral-implants-a-clinical-case-report
#20
Jiawei Wang, Fangjun Teng, Hong He, Huifen Ding, Yong Li
Having multiple congenitally missing anterior teeth heavily influences the patient's countenance and pronunciation. There are few reports on the esthetic restoration of such situations with oral implants. This clinical case history report presents a multidisciplinary approach to treat a young woman with multiple congenitally missing anterior teeth using implant-supported prostheses. The treatment steps and clinical implications are discussed.
November 2016: International Journal of Prosthodontics
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