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https://www.readbyqxmd.com/read/28319535/validation-of-therapeutic-anatomy-oriented-classification-in-endosseous-dental-implant-treatment-a-pilot-study
#1
Marius Kubilius, Yagmur Deniz Ilarslan, Tolga F Tözüm, Hom-Lay Wang, Ričardas Kubilius, Gintaras Juodzbalys
BACKGROUND: The purpose of the study was to validate a newly proposed therapeutic anatomically based clinical and radiological classification for dental implant treatment. METHODS: Eighty-one patients with at least 1 edentulous jaw segment (EJS) from 2 dental clinics were included in this study. Both clinical and radiological parameters were assessed in aesthetic and nonaesthetic zones. The data were then compared at preoperative, intraoperative, and postoperative (subdivided into early and late stage) study stages...
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28319215/number-and-location-of-mini-implants-retaining-a-mandibular-overdenture-to-resist-lateral-forces-a-preliminary-in-vitro-study
#2
Kyozo Takagaki, Tomoya Gonda, Yoshinobu Maeda
PURPOSE: The aim of this study was to determine the optimal number and location of mini-implants retaining an overdenture to resist lateral forces. MATERIALS AND METHODS: A strain gauge was attached to a mini-implant and placed in an edentulous mandible model. The following different implant locations were evaluated: one mini-implant at the midline, two mini-implants in the lateral incisor regions, two mini-implants in the canine regions, and four mini-implants...
March 20, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28319214/fabrication-of-a-mandibular-implant-supported-overdenture-with-a-new-attachment-system-a-review-of-current-attachment-systems
#3
Karnik Shah, Burak Yilmaz, Edwin McGlumphy
Since their introduction, implant-retained overdentures have represented a feasible, economical, and highly successful treatment option for completely edentulous patients. Different attachment systems have been effectively used to retain these implant overdentures, and each system has advantages and disadvantages. Locator attachment (Zest Anchors) is one system that has been widely used by clinicians, particularly, for two-implant-supported situations. Recently, Zest Anchors developed a new locator-style abutment, Locator R-Tx...
March 20, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28319208/posterior-mandibular-ridge-resorption-associated-with-different-retentive-systems-for-overdentures-a-7-year-retrospective-preliminary-study
#4
Moustafa Abdou Elsyad, Shahinaz Sayed Mohamed, Ahmad Fathalla Shawky
PURPOSE: This retrospective study compared posterior mandibular residual ridge resorption with two different retentive mechanisms for overdentures after 7 years. MATERIALS AND METHODS: A convenience sample of 18 edentulous men was assigned to one of two equal groups. Two implants were placed in the mandibular canine areas for each patient using the conventional two-stage surgical protocol, and the implants were splinted with a round bar 3 months later. New mandibular overdentures were then connected to the bars with clips (clip-retained overdentures, CR group) or resilient liners (resilient liner-retained overdentures, RR group)...
March 20, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28319207/posterior-prosthetic-teeth-size-selection-for-edentulous-egyptian-patients-a-radiographic-assessment
#5
Maha W Elkerdawy, Amr H Elkhadem
PURPOSE: The aim of this study was to correlate the location of the mental foramen and overlying teeth and apply these observations to posterior prosthetic teeth selection in a group of Egyptian edentulous patients. MATERIALS AND METHODS: Retrospective cone beam computed tomography data from 40 dentate and 40 edentulous patients scanned with radiopaque denture duplicates were compared in relation to mental foramen position. RESULTS: The probability of locating the mental foramen opposite the first premolar was higher in dentate patients, while finding it opposite the first molar was higher in edentulous patients...
March 20, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28317831/-conceptual-approach-to-classification-of-implant-supported-prosthesis-for-edentulous-patients
#6
V N Trezubov, R A Rozov, G S Azarin
The aim of this study was the creation of a conceptual model of the standard implant prosthetics for edentulous patients using the data of comprehensive examination and implantation prosthetics in 372 patients aged 38 to 80 years (201 women, 171 men) with 582 implant supported prosthesis of various types, supporting on implants «Nobel Replace Select/Groove» and «Nobel Speedy Groove» (3675 implants). Clinical classification of implant-supported prosthesis for edentulous patients included 5 classes: class 1 (1-2 implants) included 6...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28316122/digital-workflow-for-fixed-implant-rehabilitation-of-an-extremely-atrophic-edentulous-mandible-in-three-appointments
#7
Panos Papaspyridakos, Neha Rajput, Yukio Kudara, Hans-Peter Weber
OBJECTIVE: To present a rationale to reduce treatment complexity, number of surgeries, and overall treatment time for patients with extreme mandibular ridge deficiency. CLINICAL CONSIDERATIONS: A 67-year-old fully edentulous male presented with a chief complaint of poor retention and stability of the mandibular complete denture with consequent discomfort and inability to chew. A novel 3-appointment protocol from guided implant placement to definitive prosthesis delivery was implemented...
March 18, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28314082/an-international-survey-among-prosthodontists-of-the-use-of-mandibular-implant-supported-dental-prostheses
#8
Mats Kronstrom, Gunnar E Carlsson
PURPOSE: To evaluate the use of implant-supported overdentures (IOD) and implant-supported fixed dental prostheses (IFDP) in patients with edentulous mandibles among international prosthodontists. MATERIALS AND METHODS: A questionnaire was sent by e-mail to all clinically active prosthodontists in the International College of Prosthodontists with questions related to implant treatment of the edentulous mandible performed in 2015. RESULTS: One hundred and sixteen prosthodontists from 33 countries responded to the questionnaire...
March 17, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28298981/evaluation-of-the-position-of-the-posterior-superior-alveolar-artery-in-relation-to-the-maxillary-sinus-using-the-cone-beam-computed-tomography-scans
#9
Mohammad-Taghi Chitsazi, Adileh Shirmohammadi, Masoumeh Faramarzi, Farzad Esmaieli, Shadi Chitsazi
BACKGROUND: The aim of the present study was to evaluate the diameter, relationship and position of the posterior superior alveolar artery and its relationship with the alveolar ridge, the medial wall of the maxillary sinus, the prevalence of pathologic conditions and the maxillary sinus septa on CBCT images. MATERIAL AND METHODS: A total of 200 CBCT images (400 maxillary sinuses) of patients over 20 years of age were evaluated. The distances between the lower border of the artery and the alveolar crest and between the artery and the medial wall of the sinus and the diameter of the artery were measured...
March 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28295492/association-between-occlusal-force-distribution-in-implant-overdenture-prostheses-and-residual-ridge-resorption
#10
Tameem Khuder, Norsiah Yunus, Eshamsul Sulaiman, Mohd Masood, Norliza Ibrahim, Taimur Khalid
BACKGROUND: This study aimed to compare residual ridge resorption (RRR) of anterior and posterior maxillary and mandibular edentulous ridges, in patients treated with mandibular implant overdentures (IOD) and compare with conventional complete dentures (CD), and to determine at each location, the association of RRR with the occlusal forces distribution and other patients' variables. METHODS: The anterior and posterior RRR of IOD (6 males, 17 females) and CD (12 males, 11 females) were determined using baseline and follow-up dental panaromic radiographs (DPT), (mean intervals 4±1...
March 10, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28293441/free-gingival-graft-to-increase-keratinized-mucosa-after-placing-of-mandibular-fixed-implant-supported-prosthesis
#11
Danny Omar Mendoza Marin, Andressa Rosa Perin Leite, Lélis Gustavo Nícoli, Claudio Marcantonio, Marco Antonio Compagnoni, Elcio Marcantonio
Insufficiently keratinized tissue can be increased surgically by free gingival grafting. The presence or reconstruction of keratinized mucosa around the implant can facilitate restorative procedure and allow the maintenance of an oral hygiene routine without irritation or discomfort to the patient. The aim of this clinical case report is to describe an oral rehabilitation procedure of an edentulous patient with absence of keratinized mucosa in the interforaminal area, using a free gingival graft associated with a mandibular fixed implant-supported prosthesis...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28293321/bone-height-changes-of-the-mandibular-edentulous-ridge-in-screw-retained-versus-telescopic-restorations-for-completely-edentulous-patients
#12
Eman Helal, Mohamed El-Zawahry, Ayman Gouda, Amr Hosny Elkhadem, Samira Ibrahim Ibrahim
AIM: This study was established to evaluate the amount of bone height changes in the posterior mandibular area of edentulous patients receiving screw-retained prostheses versus removable telescopic implant overdentures. MATERIAL AND METHODS: Every patient received four inter-foraminal implants regarding the mandibular arch and four anterior implants for the maxillary arch, computer guided surgical guides were planned for the insertion of the implants accurately with a flapless technique...
March 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28291861/bone-regeneration-using-adipose-derived-stem-cells-with-fibronectin-in-dehiscence-type-defects-associated-with-dental-implants-an-experimental-study-in-a-dog-model
#13
Maria Àngels Sánchez-Garcés, Joaquín Alvira-González, Claudia Müller Sánchez, Joan R Barbany Cairó, Manuel Reina Del Pozo, Cosme Gay-Escoda
PURPOSE: To determine the bone regeneration potential of a ceramic biomaterial coated with fibronectin and adipose-derived stem cells covered in three-wall critical-size defects associated with dental implants. MATERIALS AND METHODS: In a total of 18 dogs, four dehiscence-type and critical-size defects were created surgically in the edentulous alveolar ridge with the simultaneous placement of dental implants. Defects were randomly regenerated using biomaterials coated with particulate ß-tricalcium phosphate (β-TCP), β-TCP with fibronectin (Fn) (β-TCP-Fn), and β-TCP with a combination of Fn and autologous adipose-derived stem cells (ADSCs) (β-TCP-Fn-ADSCs), leaving one defect as the control...
March 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28291854/load-transfer-characteristics-of-three-implant-retained-overdentures-with-different-interimplant-distances
#14
Emre Tokar, Bulent Uludag, Ozgul Karacaer
PURPOSE: Implant-retained overdentures are the first choice of rehabilitation for edentulous mandibles. Bone morphology and anatomical landmarks may be influenced by the location and angulation of implants and distances between the implants. The purpose of this study was to investigate stress distribution characteristics and to compare stress levels of three different attachment designs of three-implant-retained mandibular overdentures with three different interimplant distances. MATERIALS AND METHODS: Three photoelastic mandibular models with three implants were fabricated using an edentulous mandible cast with moderate residual ridge resorption...
March 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28286679/a-case-of-bisphosphonate-related-osteonecrosis-of-the-jaw-in-a-patient-with-subpontic-osseous-hyperplasia
#15
Chiaki Tsuji, Hiroshi Watanabe, Hidenori Nakayama, Mitsuo Goto, Kenichi Kurita
Subpontic osseous hyperplasia (SOH) is a growth of bone occurring on the edentulous ridge beneath the pontics of fixed partial dentures (FPDs). This report describes a case of bisphosphonate- (BP-) related osteonecrosis of the jaw (BRONJ) in a SOH patient followed by deciduation of the bony lesion. A 73-year-old woman visited a dental clinic after experiencing pain and swelling beneath the pontics of a FPD that had been inserted 15 years ago. The pontics were removed, but the symptoms persisted and she was referred to our hospital...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28286678/restoration-implant-with-devastated-platform-through-metal-post
#16
Luna Salinas Tatiana, Del Valle Lovato Juan
Case Presentation. Implant prostheses are a successful treatment for replacing missing teeth. However, this treatment modality can have biological and mechanical complications causing serious problems for the dentist, as demonstrated in this clinical case. The patient presented with a fractured screw and a severely damaged implant hex connection that corresponded to the second premolar, upper left, stating that she unsuccessfully tried to remove the prosthetic screw, which was most likely to have been loose...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28282030/platelet-rich-plasma-for-regeneration-of-neural-feedback-pathways-around-dental-implants-a-concise-review-and-outlook-on-future-possibilities
#17
REVIEW
Yan Huang, Michael M Bornstein, Ivo Lambrichts, Hai-Yang Yu, Constantinus Politis, Reinhilde Jacobs
Along with the development of new materials, advanced medical imaging and surgical techniques, osseointegrated dental implants are considered a successful and constantly evolving treatment modality for the replacement of missing teeth in patients with complete or partial edentulism. The importance of restoring the peripheral neural feedback pathway and thus repairing the lack of periodontal mechanoreceptors after tooth extraction has been highlighted in the literature. Nevertheless, regenerating the nerve fibers and reconstructing the neural feedback pathways around osseointegrated implants remain a challenge...
March 10, 2017: International Journal of Oral Science
https://www.readbyqxmd.com/read/28280731/early-bone-formation-around-immediately-loaded-transitional-implants-inserted-in-the-human-posterior-maxilla-the-effects-of-fixture-design-and-surface
#18
RANDOMIZED CONTROLLED TRIAL
Carlo Mangano, Jamil Awad Shibli, Jefferson Trabach Pires, Giuseppe Luongo, Adriano Piattelli, Giovanna Iezzi
Aim. To evaluate the effects of fixture design and surface on the early bone formation around immediately loaded implants inserted in the human posterior maxilla. Materials and Methods. Ten totally edentulous subjects received two transitional implants: one tapered implant with knife-edge threads/nanostructured calcium-incorporated surface (test: Anyridge®, Megagen, Gyeongbuk, South Korea) and one cylindrical implant with self-tapping threads/sandblasted surface (control: EZPlus®, Megagen). The implants were placed according to a split-mouth design and immediately loaded to support an interim complete denture; after 8 weeks, they were removed for histologic/histomorphometric analysis...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28279083/finite-element-analysis-of-different-loading-conditions-for-implant-supported-overdentures-supported-by-conventional-or-mini-implants
#19
K Solberg, F Heinemann, P Pellikaan, L Keilig, H Stark, C Bourauel, I Hasan
The effect of implants' number on overdenture stability and stress distribution in edentulous mandible, implants and overdenture was numerically investigated for implant-supported overdentures. Three models were constructed. Overdentures were connected to implants by means of ball head abutments and rubber ring. In model 1, the overdenture was retained by two conventional implants; in model 2, by four conventional implants; and in model 3, by five mini implants. The overdenture was subjected to a symmetrical load at an angle of 20 degrees to the overdenture at the canine regions and vertically at the first molars...
March 10, 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28274332/the-relationship-between-chronic-physical-conditions-multimorbidity-and-anxiety-in-the-general-population-a-global-perspective-across-42-countries
#20
Davy Vancampfort, Ai Koyanagi, Mats Hallgren, Michel Probst, Brendon Stubbs
OBJECTIVE: This cross-sectional study assessed the association of chronic physical conditions and multimorbidity with anxiety among community-dwelling adults in 42 countries. METHOD: Data were analyzed from the World Health Survey including 181,845 adults aged ≥18years. Anxiety in the past 30days and nine chronic physical conditions (angina, arthritis, asthma, chronic back pain, diabetes, edentulism, hearing problem, tuberculosis, and visual impairment) were assessed...
March 2017: General Hospital Psychiatry
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