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https://www.readbyqxmd.com/read/29143403/effect-of-distal-implant-inclination-on-dislodging-forces-of-different-locator-attachments-used-for-mandibular-overdentures-an-in-vitro-study
#1
Moustafa Abdou ELsyad, Radwa Mohsen Emera, Tarek Mohy Ashmawy
PURPOSE: To evaluate the effect of distal implant inclination on axial and nonaxial retentive forces of different Locator attachments used to retain mandibular overdentures. MATERIALS AND METHODS: Four duplicate mandibular edentulous acrylic models received 2 implants in the canine areas with 0°, 5°, 10°, and 20° distal inclinations. Experimental overdentures were connected to the implants with Locator extra light retention (Le), Locator light retention (Ll), and Locator medium retention (Lm)...
November 16, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29143355/short-term-changes-in-chewing-efficiency-and-subjective-evaluation-in-normal-dentate-subjects-after-insertion-of-oral-appliances-with-an-occlusal-flat-table
#2
Yuya Satokawa, Ichiro Minami, Noriyuki Wakabayashi
BACKGROUND: Oral appliances with an occlusal flat table are used as treatment dentures. However, the short-term effect of insertion of such oral appliances on chewing has not been reported. OBJECTIVE: This study aimed to determine whether experimental and continuous insertion of oral appliances with an occlusal flat table has an effect on chewing efficiency and Oral Health Impact Profile (OHIP) in healthy participants. METHODS: Ten participants each in the oral-appliance and control (no oral-appliance insertion) groups attended six data collection sessions for 5 consecutive days...
November 16, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29142646/integrating-3d-facial-scanning-in-a-digital-workflow-to-cad-cam-design-and-fabricate-complete-dentures-for-immediate-total-mouth-rehabilitation
#3
Bassam Hassan, Marcus Greven, Daniel Wismeijer
PURPOSE: To integrate extra-oral facial scanning information with CAD/CAM complete dentures to immediately rehabilitate terminal dentition. MATERIALS AND METHODS: Ten patients with terminal dentition scheduled for total extraction and immediate denture placement were recruited for this study. The patients were submitted to a facial scanning procedure using the in-office PritiMirror scanner with bite registration records in-situ. Definitive stone cast models and bite records were subsequently submitted to a lab scanning procedure using the lab scanner (iSeries DWOS; Dental Wings)...
October 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29120095/technical-quality-of-complete-dentures-influence-on-masticatory-efficiency-and-quality-of-life
#4
Ana Clara Soares Paiva Tôrres, Amanda de Queiroz Maciel, Danielle Bezerra de Farias, Annie Karoline Bezerra de Medeiros, Flávia Patrícia Tavares Veras Vieira, Adriana da Fonte Porto Carreiro
PURPOSE: To evaluate the effect of the technical quality of conventional complete dentures (CD) on masticatory efficiency and quality of life (QoL) of denture wearers during a 1-year follow-up. MATERIALS AND METHODS: A prospective clinical trial with 32 edentulous patients (mean age of 60.2 years) wearing mandibular and maxillary dentures was conducted. All patients were evaluated wearing their preexisting dentures and after 3, 6, and 12 months postinsertion of new dentures...
November 9, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29114429/sectional-mandibular-complete-denture-for-a-total-maxillectomy-patient-with-trismus-a-clinical-report
#5
Tamer Celakil, Azize Demir, Haluk Keskin
This report presents the case of a 60-year-old male patient with trismus induced by radiotherapy and fabrication of a sectional mandibular complete denture to allow the insertion of the denture into the mouth. A mandibular sectional denture was designed in two pieces with a locking mechanism by using mini anchor and ball abutment housing with cap. Patients who have undergone maxillectomy often have constricted mouth openings, as a result of surgical intervention and radiotherapy, and complain of an inability to insert or remove dentures...
2017: J Istanb Univ Fac Dent
https://www.readbyqxmd.com/read/29084304/surface-roughness-changes-in-denture-liners-in-denture-stomatitis-patients
#6
Fernanda Valentini, Murilo Souza Luz, Noéli Boscato, Tatiana Pereira-Cenci
PURPOSE: This randomized clinical trial assessed how surface roughness (Ra) in resilient liners was affected by soft tissue health conditions and time-related aspects in patients with complete dentures. METHODS: Specimens of acrylic resin (control) and denture liners (silicone-based or acrylic resin-based) were inserted into the dentures of patients with and without denture stomatitis (n = 30). Ra was evaluated before denture insertion and after 7, 14, and 21 days of prosthesis wearing...
November 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29080960/protocol-for-mandibular-reconstruction-with-zygomatic-implants-zygomatic-mandibular-implant
#7
Ruben Muñoz, Golaszewski Gajos, Jose Bladimir, Diaz Carvajal, Alvaro Luis, Grace Del Valle Speranza
INTRODUCTION: This study describes a modified protocol using transmandibular zygomatic implants with immediate occlusal loading for the comprehensive dental rehabilitation of previously reconstructed mandibular defects and reports preliminary results of this modified protocol. MATERIALS AND METHODS: Fifteen patients (6 female and 9 male), with a mean of age 40.26 years (range 12 to 68 years), had previously undergone immediate mandibular reconstruction using either autologous bone grafting, bone transport, or microvascular free-flap reconstruction for a variety of diagnoses...
October 28, 2017: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29028850/effect-of-different-degrees-of-mesial-implant-inclination-on-the-retention-and-stability-of-two-implant-mandibular-overdentures-retained-with-stud-attachments-an-in-vitro-study
#8
Moustafa Abdou ELsyad, Omar Emhemed Abo Hatem, Ahmad Fathalla Shawky, Radwa Mohsen Kamal Emera
PURPOSE: To evaluate the effect of different degrees of mesial implant inclinations on the retention and stability of two-implant mandibular overdentures retained with stud attachments. MATERIALS AND METHODS: Four experimental mandibular acrylic models were constructed. Two laboratory implants were inserted in the canine areas of each model with the following degrees of mesial inclinations: 0, 5, 10, and 20 degrees. Experimental overdentures were connected to the implants with Locator extra-light retention (Le), Locator light retention (Ll), and Locator medium retention (Lm)...
October 13, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28967408/mastication-and-oral-health-related-quality-of-life-in-removable-denture-wearers-with-alzheimer-disease
#9
Camila H Campos, Giselle R Ribeiro, Renata C M Rodrigues Garcia
STATEMENT OF PROBLEM: Alzheimer disease (AD) can affect masticatory function, affecting oral health-related quality of life (OHRQoL). Whether oral rehabilitation with conventional removable prostheses can restore masticatory function and improve OHRQoL in these individuals is unknown. PURPOSE: The purpose of this clinical study was to evaluate the influence of oral rehabilitation with removable prostheses on masticatory efficiency and OHRQoL in elders with and without AD...
September 27, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28967406/effects-of-mouth-rehabilitation-with-removable-complete-dentures-on-stimulus-perception-and-the-electromyographic-activity-of-the-orbicularis-oris-muscle
#10
Fernanda P de Caxias, Daniela M Dos Santos, Marcelo C Goiato, Sandro B Bitencourt, Emily V F da Silva, Murilo C B Laurindo-Junior, Karina H L Turcio
STATEMENT OF PROBLEM: Many elderly individuals are rehabilitated with removable complete dentures, which require an initial adaptation period for both oral perception and the perioral muscles. Studies assessing the changes in stimulus perception and the electromyographic (EMG) activity of the orbicularis oris muscle shortly after conventional complete denture insertion are lacking. PURPOSE: The purpose of this clinical study was to evaluate the effect of mouth rehabilitation with removable complete dentures on stimulus perception and the EMG activity of the orbicularis oris muscle...
September 26, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28965675/oral-health-related-quality-of-life-and-masticatory-function-after-conventional-prosthetic-treatment-a-cohort-follow-up-study
#11
Teresa Palomares, Javier Montero, Eva M Rosel, Ramón Del-Castillo, Juan I Rosales
STATEMENT OF PROBLEM: The impact of conventional prosthetic treatment on both the objective and subjective assessments of mastication as well as on well-being is unclear. PURPOSE: The purpose of this clinical study was to compare the impact on oral health-related quality of life and masticatory function in participants treated with conventional dental prostheses. MATERIAL AND METHODS: A total of 72 patients requiring prosthetic rehabilitation were enrolled by referral from the Faculty of Dentistry at the University of Granada, Spain...
September 28, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28936044/ultrasonic-evaluation-of-influence-of-hard-acrylic-resin-denture-on-blood-flow-of-mandibular-denture-supporting-mucosa-utilizing-duplex-color-doppler-studies-an-in-vivo-study
#12
S Binsu, K Chandrasekharan Nair, Bijoy Jhon, Sanjna Nayar, Jose Julian, Muhammed Shahid
AIMS: To determine the influence of hard acrylic denture base materials on the blood flow of mandibular denture supporting mucosa over a period of six months time. MATERIALS AND METHODS: Select fifteen edentulous patients of age 55-75 years. The blood flow of the mandibular denture supporting mucosa was measured bilaterally in the molar region and in the incisor region utilizing Ultrasound colour Doppler (2D and Duplex Imaging). Measurements were performed prior to denture insertion and later after the dentures were worn for 1 month, 2 months, 3 months, 4 months, 5 months and 6 months...
July 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28936036/effect-of-denture-soft-liner-on-mandibular-ridge-resorption-in-complete-denture-wearers-after-6-and-12-months-of-denture-insertion-a-prospective-randomized-clinical-study
#13
B Dinesh Babu, Veena Jain, Gunjan Pruthi, Nidhi Mangtani, Rajath S Pillai
PURPOSE: Soft liners act as a cushion between the denture base and the residual ridge. Hence, it is important to study their effect on resorption of mandibular denture bearing area. Therefore, the purpose of this study was to evaluate the influence of soft denture liner on mandibular ridge resorption after 1 year in completely denture wearers. MATERIALS AND METHODS: Twenty-eight completely edentulous patients having age between 45 and 60 years with well-formed ridges in class I jaw relations were selected as per the inclusion and exclusion criterion...
July 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28867525/a-customised-digitally-engineered-solution-for-fixed-dental-rehabilitation-in-severe-bone-deficiency-a-new-innovative-line-extension-in-implant-dentistry
#14
Nils-Claudius Gellrich, Rüdiger M Zimmerer, Simon Spalthoff, Philipp Jehn, Philipp-Cornelius Pott, Majeed Rana, Björn Rahlf
OBJECTIVES: Numerous procedures including soft and hard tissue reconstructions are necessary to allow for final implant-borne dental rehabilitation in patients with severe alveolar atrophy or resected jaws. In these cases, customised digitally engineered patient solutions for fixed or removable dental rehabilitation provide an innovative line extension to conventional implant dentistry. MATERIAL AND METHODS: A wax-up was performed on plaster models that were scanned by 3D laser...
October 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28859180/long-term-outcome-of-speech-intelligibility-in-maxillary-dental-rehabilitation-with-full-dentures-a-prospective-study-using-automatic-speech-quantification
#15
Florian Stelzle, Max Riemann, Alfred Klein, Nicolai Oetter, Maximilian Rohde, Andreas Maier, Stephan Eitner, Friedrich Wilhelm Neukam, Christian Knipfer
AIMS: Complete maxillary edentulism and prosthetic rehabilitation with removable full dentures are known to affect speech intelligibility. The aim of this study was to prospectively investigate the long-term effect of time on speech intelligibility in patients being rehabilitated with newly fabricated full maxillary dentures. MATERIALS AND METHODS: Speech was recorded in a group of 14 patients (male = 9, female = 5; mean age ± standard deviation [SD] = 66.14 ± 7...
September 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28805255/mandibular-complete-denture-versus-single-implant-overdenture-a-systematic-review-of-patient-reported-outcomes
#16
REVIEW
T E Nogueira, D R Dias, C R Leles
The single-implant mandibular overdenture (SIMO) has been proposed as an alternative for edentulous patients who are poorly adapted to their dentures due to low retention and stability of the conventional mandibular complete denture (CD). However, there is a lack of evidence regarding the effectiveness of SIMO, which can be measured by examining patient perception of treatment effects. The aim of this systematic review was to assess the comparative results of CD and SIMO treatments using patient-reported outcome measures...
August 14, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28708920/complications-and-clinical-considerations-of-the-implant-retained-zirconia-complete-arch-prosthesis-with-various-opposing-dentitions
#17
Jorge Gonzalez, Robert G Triplett
PURPOSE: To evaluate the performance of the implant-retained zirconia complete-arch prosthesis with various opposing dentitions. MATERIALS AND METHODS: The 40 patients included in this retrospective case series study were treated with one or two implant-retained zirconia complete-arch prostheses (ZIRCAP) using the Zirkonzahn protocol. Prettau zirconia frames were created with strategic cutbacks in the structure to extend zirconia incisal coverage of the esthetic anterior sextants and complete monolithic zirconia in the molar areas; subsequent layers of porcelain were applied to nonfunctional and esthetic areas...
July 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28708913/effect-of-attachment-type-on-denture-strain-in-maxillary-implant-overdentures-part-1-overdenture-with-palate
#18
Toshihito Takahashi, Tomoya Gonda, Yoshinobu Maeda
PURPOSE: This study examined the effects of attachments on strain in maxillary implant overdentures supported by two or four implants. MATERIALS AND METHODS: A maxillary edentulous model with implants inserted into anterior, premolar, and molar areas was fabricated, and three types of unsplinted attachments-ball, locator, and magnet-were set on the implants distributed under various conditions. Maxillary experimental dentures were fabricated, and two strain gauges were attached at the anterior midline on the labial and palatal sides...
July 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28702055/evaluation-of-sensibility-threshold-for-interocclusal-thickness-of-patients-wearing-complete-dentures
#19
Kujtim Sh Shala, Linda J Dula, Teuta Pustina-Krasniqi, Teuta Bicaj, Enis F Ahmedi, Zana Lila-Krasniqi, Arlinda Tmava-Dragusha
OBJECTIVE: The aim of this study was to evaluate sensibility threshold for interocclusal thickness in experienced and nonexperienced denture wearers after the insertion of new complete dentures. MATERIALS AND METHODS: A total of 88 patients with complete dentures have participated in this study. The research was divided into two experimental groups, compared with the previous experience prosthetic dental treatment. The sensibility threshold for interocclusal thickness was measured with metal foil with 8 μm thickness and width of 8 mm, placed between the upper and lower incisor region...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28650517/adaptive-change-in-chewing-related-brain-activity-while-wearing-a-palatal-plate-an-functional-magnetic-resonance-imaging-study
#20
Y Inamochi, K Fueki, N Usui, M Taira, N Wakabayashi
Prosthodontic treatment success depends on patients' ability to adapt to an altered oral environment containing removable prostheses. We investigated adaptive chewing-related brain activity changes in response to a new oral environment. Twenty-eight fully dentate subjects (mean age: 28·6 years) wore experimental denture-base palatal plates (3 mm thick), for 7 days. We measured food mixing ability and cycle time, and assessed brain activity by functional magnetic resonance imaging during chewing at pre-insertion (Day 0), and immediately (Day 1), 3 days (Day 3) and 7 days (Day 7) after insertion...
June 26, 2017: Journal of Oral Rehabilitation
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