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Charlotte Jensen, Gerry M Raghoebar, Wouter Kerdijk, Henny J A Meijer, Marco S Cune
OBJECTIVES: To assess the benefits of implant support to Removable Partial Dentures (RPD) in patients with a bilateral free-ending situation in the mandible and to determine the most favorable implant position: the premolar (PM) or the molar (M) region. METHODS: Thirty subjects with a bilateral unbounded posterior saddle received 2 PM and 2M Implants. A new RPD was placed. Implant support was provided 3 months later. Two PM implants supported the RPD. After 3 months the 2M implants were used or vice versa...
October 18, 2016: Journal of Dentistry
Abdulaziz AlHelal, Hamad S AlRumaih, Mathew T Kattadiyil, Nadim Z Baba, Charles J Goodacre
STATEMENT OF PROBLEM: Clinical studies comparing the retention values of milled denture bases with those of conventionally processed denture bases are lacking. PURPOSE: The purpose of this clinical study was to compare the retention values of conventional heat-polymerized denture bases with those of digitally milled maxillary denture bases. MATERIAL AND METHODS: Twenty individuals with completely edentulous maxillary arches participated in this study...
October 17, 2016: Journal of Prosthetic Dentistry
Takamasa Ogawa, Yuji Sato, Noboru Kitagawa, Momoe Nakatsu
STATEMENT OF PROBLEM: Although the retention force of maxillary complete dentures has been measured in numerous studies with different devices, the biomechanical mechanism associated with the generation of this retention force cannot be determined. PURPOSE: The purpose of this clinical study was to investigate whether 3-dimensional finite-element analysis can be used to estimate the retention force of maxillary complete dentures. MATERIAL AND METHODS: The study included 12 participants (6 men and 6 women, mean 77...
October 17, 2016: Journal of Prosthetic Dentistry
Herenia P Lawrence, Jaime Cidro, Sonia Isaac-Mann, Sabrina Peressini, Marion Maar, Robert J Schroth, Janet N Gordon, Laurie Hoffman-Goetz, John R Broughton, Lisa Jamieson
This study assessed links between racism and oral health outcomes among pregnant Canadian Aboriginal women. Baseline data were analyzed for 541 First Nations (94.6%) and Métis (5.4%) women in an early childhood caries preventive trial conducted in urban and on-reserve communities in Ontario and Manitoba. One-third of participants experienced racism in the past year determined by the Measure of Indigenous Racism Experience. In logistic regressions, outcomes significantly associated with incidents of racism included: wearing dentures, off-reserve dental care, asked to pay for dental services, perceived need for preventive care, flossing more than once daily, having fewer than 21 natural teeth, fear of going to dentist, never received orthodontic treatment and perceived impact of oral conditions on quality of life...
2016: Journal of Health Care for the Poor and Underserved
Saturnino Marco Lupi, Matteo Cislaghi, Silvana Rizzo, Ruggero Rodriguez Y Baena
BACKGROUND: The onset of perioral wrinkles often prompts patients to request treatment. This aesthetic deterioration linked to aging may be associated with tooth and alveolar bone loss in fully edentulous patients. PURPOSE: To evaluate perioral wrinkles before and after maxillary and mandibular rehabilitation with implant-retained dentures in fully edentulous patients. METHODS: In this prospective cohort, single-center, blinded study, patients requiring maxillary and mandibular rehabilitation with implant-retained dentures were enrolled...
2016: Clinical, Cosmetic and Investigational Dentistry
Suguru Kimoto, Yasuhiko Kawai, Atsuko Gunji, Hisatomo Kondo, Taro Nomura, Tomohiko Murakami, Akito Tsuboi, Guang Hong, Shunsuke Minakuchi, Yusuke Sato, Gaku Ohwada, Tetsuya Suzuki, Katsuhiko Kimoto, Noriyuki Hoshi, Makiko Saita, Yoshikazu Yoneyama, Yohei Sato, Masakazu Morokuma, Joji Okazaki, Takeshi Maeda, Kenichiro Nakai, Tetsuo Ichikawa, Kan Nagao, Keiko Fujimoto, Hiroshi Murata, Tadafumi Kurogi, Kazuhiro Yoshida, Masahiro Nishimura, Yasuhiro Nishi, Mamoru Murakami, Toshio Hosoi, Taizo Hamada
BACKGROUND: Denture adhesives, characterized as medical products in 1935 by the American Dental Association, have been considered useful adjuncts for improving denture retention and stability. However, many dentists in Japan are hesitant to acknowledge denture adhesives in daily practice because of the stereotype that dentures should be inherently stable, without the aid of adhesives. The aim of this study is to verify the efficacy of denture adhesives to establish guidelines for Japanese users...
October 18, 2016: Trials
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November 2016: Anesthesiology
Vinay V Kumar, P C Jacob, Vikram Kekatpure, Naveen Hedne, Felix P Koch, Moni A Kuriakose
AIM: The aim of this clinical paper is to introduce a technique to plan for functional maxillofacial reconstructions. MATERIALS AND METHODS: Preoperative dental casts were made of the patient and mock surgery performed on the casts. A fibula analogue was then placed in an ideal functional reconstruction position. New dentures were fabricated on the fibula analogue and drill holes for the placement of implants were placed through the denture. This denture formed as a guide to position the fibula transplant during surgery...
September 2016: Journal of Maxillofacial and Oral Surgery
H Wang, P J Lv, Y Wang, Y C Sun
OBJECTIVE: To quantitatively evaluate the assembly precision of fabricating complete denture by computer numerical control (CNC) in manufacturing dentition and baseplate separately plus adhesive molding. METHODS: The 3D surface data of a standard edentulous maxilla plaster cast model and the temporary base-plate were obtained using an Activity 880 3D scanner. The data (data1) of a complete denture were designed using a set of computer aided design (CAD) software developed by the research group of this study...
October 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
Roberto Marra, Alessandro Acocella, Rispoli Alessandra, Scott D Ganz, Andrea Blasi
OBJECTIVE: The purpose of this report is to compare satisfaction of patients rehabilitated with full-mouth fixed prostheses using computer-aided flapless implant placement and immediate loading with patients rehabilitated with conventional removable prostheses. MATERIALS AND METHODS: The study included 30 consecutive fully edentulous patients who received 312 implants and 30 matched controls treated with conventional removable prostheses. Mandible and maxilla were treated in the same surgical session with computer-guided flapless approach using NobelGuide protocol...
October 4, 2016: Implant Dentistry
Rachel A Sheridan, Ann M Decker, Alexandra B Plonka, Hom-Lay Wang
PURPOSE: Occlusal overload may cause implant biomechanical failures, marginal bone loss, or even complete loss of osseointegration. Thus, it is important for clinicians to understand the role of occlusion in implant long-term stability. This systematic review updates the understanding of occlusion on dental implants, the impact on the surrounding peri-implant tissues, and the effects of occlusal overload on implants. Additionally, recommendations of occlusal scheme for implant prostheses and designs were formulated...
October 4, 2016: Implant Dentistry
Christian Walter, Bilal Al-Nawas, Tim Wolff, Eik Schiegnitz, Knut A Grötz
OBJECTIVE: Bisphosphonate-associated osteonecrosis of the jaws (BP-ONJ) is triggered by inflammatory processes. Typical trigger factors are periodontal disease, denture pressure sores, and surgical interventions such as tooth extractions. Unfortunately there is only little data on how to proceed with implant therapy in patients with bisphosphonate treatment. This topic is not addressed in the German guidelines on medication-associated osteonecrosis. Therefore a systematic literature review was performed...
December 2016: Int J Implant Dent
Ahmed M Abdelhamid, Kenda I Hanno, Mohamed H Imam
BACKGROUND: The purpose of this prospective cross-over study is to evaluate the effect of bilateral balanced occlusion and canine guidance occlusion on the masseter muscle activity using implant-retained mandibular overdentures. METHODS: After evaluation of 12 completely edentulous patients using cone beam computed tomography (CBCT), mucoperiosteal flaps were reflected exposing the mandibular interforaminal region. Two implants were placed in the interforaminal region for each of the 12 patients...
December 2015: Int J Implant Dent
Suryakant C Deogade, Aditi Patel, Sneha S Mantri
Extreme resorption of edentulous maxilla may cause difficulty during fabrication of a maxillary complete denture. Increased inter-ridge distance often creates a clinical problem due to heavy-weighted maxillary prosthesis. This article elaborates an alternative approach for hollowing a maxillary complete denture. It utilizes a clear template of the trial denture facilitating the creation of a gelatin cavity form. This hollowing ensures the even thickness of both denture base resins for structural integrity and reduces the heaviness of the denture...
October 2016: Journal of Indian Prosthodontic Society
Arun Ramchandran, Kaushal Kishor Agrawal, Pooran Chand, Ramashanker, Raghuwar Dayal Singh, Anusar Gupta
The Kennedy Class I and II distal extension situation poses a challenge to the prosthodontist as it inherently possesses a lack of stability, which may be attributed to the difference in compressibility of the mucosa and the periodontal ligament surrounding the distal-most abutment tooth. This results in a rotational tendency of the prosthesis around the line connecting its terminal abutments. Placement of osseointegrated dental implants in the posterior edentulous regions, distal to the terminal abutment provides improved vertical support to the distal extension removable partial denture, effectively converting its intraoral performance from a Kennedy Class I to a Class III situation, thereby resulting in improved stability of the prosthesis and consequently, enhanced patient satisfaction...
October 2016: Journal of Indian Prosthodontic Society
Aradhana Nagarsekar, Ridhima Gaunkar, Meena Aras
OBJECTIVE: This survey was undertaken to assess dentist's opinion regarding the occurrence and pattern of food impaction in relation to fixed partial denture (FPD) prostheses, its commonly observed consequences, factors contributing to it, and its management. METHODS: A descriptive survey was conducted on a sample size of 150 dental practitioners. The pro forma consisted of informed consent, demographic information, and questionnaire. The results were tallied and quantitative analysis was performed to obtain the descriptive statistics for the data using SPSS version 20...
October 2016: Journal of Indian Prosthodontic Society
Anchal Qanungo, Meena Ajay Aras, Vidya Chitre, Ivy Coutinho, Praveen Rajagopal, Ashwin Mysore
PURPOSE: The aim of this in vivo study was to compare the single-step border molding technique using injectable heavy viscosity addition silicone with sectional border molding technique using low fusing impression compound by evaluating the retention of heat cure trial denture bases. MATERIALS AND METHODS: Ten completely edentulous patients in need of prostheses were included in this study. Two border molding techniques, single-step (Group 1) and sectional (Group 2), were compared for retention...
October 2016: Journal of Indian Prosthodontic Society
Raquel Castillo-Oyagüe, Carmen Perea, María-Jesús Suárez-García, Jaime Del Río, Christopher D Lynch, Arelis Preciado
OBJECTIVES: To validate the 'Quality of Life related to function, aesthetics, socialization, and thoughts about health-behavioural habits (QoLFAST-10)' questionnaire for assessing the whole concept of oral health-related quality of life (OHRQoL) of implant-supported fixed partial denture (FPD) wearers. METHODS: 107 patients were assigned to: Group 1 (HP; n=37): fixed-detachable hybrid prostheses (control); Group 2 (C-PD, n=35): cemented partial dentures; and Group 3 (S-PD, n=35): screwed partial dentures...
October 13, 2016: Journal of Dentistry
Andrés Felipe Cartagena, Luís Antonio Esmerino, Rogerio Polak-Junior, Sibelli Olivieri Parreiras, Milton Domingos Michél, Paulo Vitor Farago, Nara Hellen Campanha
OBJECTIVE: The purpose of this study was to develop a new oral drug delivery system by incorporating polymeric miconazole nitrate (MN) microparticles on an experimental antifungal denture adhesive (DA). METHODS: Spray drying Eudragit L-100 (E) and Gantrez MS-955 (G) MN-microparticles were incorporated in DA. DAE1, DAG1, DAEG1, DAE2, DAG2, DAEG2 groups were obtained from the combination of polymers used in MN-microparticles (E, G and EG) and concentration of MN into DA (1, for 1% and 2, for 2%)...
October 10, 2016: Dental Materials: Official Publication of the Academy of Dental Materials
Juliana Hotta, Wilson Gustavo Cral, Vinicius Tatsuyuji Sakima, Vanessa Soares Lara, Vanessa Migliorini Urban, Karin Hermana Neppelenbroek
BACKGROUND: Antifungal agents incorporated into temporary denture resilient liners as drug carries and delivery have been suggested as an alternative treatment for denture stomatitis. However, to test the in vivo biocompatibility of this protocol, standardization of an intraoral device for optimal drug delivery is required. OBJECTIVE: Standardized criteria were produced to adjust an acrylic intraoral device (IOD) for rats feasible for denture stomatitis treatment by sustained drug-delivery based on minimal inhibitory drug concentrations (MICs) of antifungals for Candida albicans biofilm...
October 13, 2016: Current Drug Delivery
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