Dissertations / Theses on the topic 'Implant dentistry'
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Bousdras, Vasileios. "Mechanical loading in implant dentistry." Thesis, Royal Veterinary College (University of London), 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.439452.
Full textShah, Sweety Dayanand. "Implant Strength After Implantoplasty." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1563401217739776.
Full textHjalmarsson, Lars. "On cobalt-chrome frameworks in implant dentistry /." Göteborg : Department of Dentistry/Dental Materials Science, Institute of Odontology, 2009. http://hdl.handle.net/2077/21179.
Full textCheng, Guo-Liang. "Healing of Peri-implant Soft Tissue around Platform-Switching and Platform-Matching Single Implants." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1499268850775952.
Full textWanat, Thomas Nelson III. "Risk factors for dental implant failure| Smoking, periodontal disease and previously failed implant sites." Thesis, University of Colorado at Denver, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10130885.
Full textBackground: The literature indicates a reduced survival rate for dental implants placed at previously failed sites, smokers, and patients with a history of periodontal disease. The aim of this study is to review the available literature reporting on the success and/or survival of rough surface implants placed at previously failed sites, in smokers, and in periodontally compromised patients. An attempt was made to systematically review the literature and calculate an overall weighted mean survival rate for rough surface implants in each of the above three scenarios.
Methods: An electronic literature search (MEDLINE-PubMed) was performed and references hand-searched for human studies addressing the success/survival of implants placed at previously failed sites, in smokers and in patients with a history of chronic periodontal disease. The overall weighted mean survival rates and 95% confidence interval were then calculated. Results: Six retrospective studies reporting on implants placed at previously failed sites were included with total of 343 second attempts and 31 third attempts at implant placement at failed sites in 330 patients. The weighted mean survival rates for the second and third attempts at implant placement in a previously failed site were calculated to be 88.05% and 74.19%, respectively. A total of 14,395 implants were included in smoking analysis. Of these, 10,403 implants were placed in non-smokers with 250 failures and 3,992 placed in smokers, with 205 failures. The calculated overall weighted mean implant-level survival was 97.67% in non-smokers and 95.03% for in smokers. Lastly, six studies reported on 591 implants placed in periodontally compromised patients with a total of 15 failures and 198 implants placed in periodontally healthy patients with just one failure. The overall weighted mean implant survival rate was calculated to be 97.48% in periodontally compromised patients compared to 99.49% for periodontally healthy patients.
Conclusions: Of the three risk factors evaluated in this review, rough surface implants placed in previously failed sites presents the highest risk for implant failure. Rough surface implant survival declines significantly for each additional attempt at implant placement at a previously failed site, with weighted mean survival rates of 88.05% and 74.19% for the second and third attempts, respectively. Although more favorable than previously used implant designs, smokers continue to experience lower survival rates compared to non-smokers, with overall weighted mean implant survival rates of 95.03% and 97.67%, respectively. A similar finding was found for implants placed in patients with a history of chronic periodontitis. The calculated weighted mean survival rate was 99.49% for periodontally healthy patients compared to 97.48% for periodontally compromised patients.
O'Sullivan, Dominic. "The effect of implant geometry upon the primary stability of dental implants." Thesis, University of Bristol, 2001. http://hdl.handle.net/1983/339010c1-63ee-4eb9-b03c-b3a2b9b89dbf.
Full textRebeeah, Hanadi Abdulla. "Comparison of Three-Dimensional Displacements of Screw-Retained Zirconia Implant Crowns into Implants with Different Internal Connections." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1449014390.
Full textAbuhammoud, Salahaldeen Mohammad. "Knowledge and practice of implant dentistry among University of Iowa College of Dentistry alumni." Thesis, University of Iowa, 2018. https://ir.uiowa.edu/etd/3235.
Full textIsaksson, Anders, and Michael Graham. "RoDent : Robotic Dentistry : Computer aided dental implant positioning system." Thesis, Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-1559.
Full textA study was carried in conjunction with the Orthodontic department at Halmstad General Hospital in Sweden to investigate the possibility of reducing cost and manufacture time of dental implant drill guides.
The current system involves sending a digital image in STL format to the Materialise factory in Belgium where information of the position of dental implants is translated onto a moulded mouthpiece. Drill guides are placed in the mouth piece which is then returned to the surgeon. The mouthpiece complete with drill guides is then placed in the patients mouth and used as a guide for the implant drill holes. The cost of 10000 sek and a turnaround time of 2 weeks gave rise to the need for a faster and cheaper solution.
A new mouthpiece was designed comprising of a solid cube which could be clearly seen on the x-ray. Linearisation of the cube faces is used to find a reference point from which to drive a 5 axis drilling platform. The mouthpiece is placed in the drill platform which is driven by stepper motors which in turn are controlled by a microcontroller. Co-ordinates are entered via a PC interface. The PC software then translates these co-ordinates into motor steps which are sent to the microcontroller. The drill platform then positions the mouthpiece in order to drill guide holes for the dental implants.
The study showed that the machine design gave an acceptable degree of accuracy and repeatability. Further enhancements could be made by automating the detection of the cube using image analysis techniques. The study was also limited by the lack of graphical and geometrical data concerning the position of the implant. For the purpose of this study the co-ordinates for the implants guides is entered by hand.
It was concluded that further software and hardware enhancement would be needed before the application could be developed commercially.
Gray, Crawford F. "The development of magnetic resonance imaging for implant dentistry." Thesis, University of Glasgow, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.250064.
Full textAlzoubi, Fawaz. "Pre-doctoral implant dentistry education: Trends, issues, and perspectives." Scholarly Commons, 2015. https://scholarlycommons.pacific.edu/uop_etds/46.
Full textAl-Noaman, Ahmed. "Novel bioactive glass coating for dental implant." Thesis, Queen Mary, University of London, 2012. http://qmro.qmul.ac.uk/xmlui/handle/123456789/3342.
Full textBrett, Christopher A. "Azithromycin concentration in peri-implant crevicular fluid and its influence on microbial colonization dynamics following a single prophylactic dose prior to implant placement." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1562330930491338.
Full textGil, Mindy S. "Comprehensive Optical Assessment of Peri-Implant Mucosa." Thesis, Harvard University, 2015. http://nrs.harvard.edu/urn-3:HUL.InstRepos:17331958.
Full textSaha, Saroj Kumar. "Effect of corticosteroid medication of periodontal and implant related procedures." Thesis, University of Colorado at Denver, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10126245.
Full textBackground: Corticosteroid medications have been researched extensively in oral surgery procedures for the proposed reduction in trismus, swelling, and pain. No consensus has been determined for the most efficacious type, timing, and dosage of medication thus far. In addition little is known about the usage of corticosteroids for periodontal and implant related procedures. The aims of this review are to help clinicians understand the usage of corticosteroid medications in various dental surgeries.
Methods: The PubMed-MEDLINE and the Cochrane-CENTRAL databases were searched through and up till June 2015 to identify appropriate studies regarding this aim. Appropriate studies were those reporting on the usage of corticosteroids related to its pathophysiology, surgical related outcomes, and patient related outcomes in dental procedures.
Conclusions: The search yielded 256 unique papers after selection resulted in 12 publications that met the eligibility criteria. In general the usage of corticosteroids in third molar extractions improved post operatives outcomes related to edema, trismus, and a slight reduction in pain. However, It cannot be recommended to use corticosteroids for pain management. Due to the various types, routes, and dosages of corticosteroid used in studies, no specific drug, route, or dosage can be recommended by literature. The usage of corticosteroids for periodontal and implant related procedures has not been investigated. Further research is required to investigate the possible benefits of corticosteroids on reduction of surgical swelling in periodontal and implant related surgeries.
Lee, Jim Ming-An. "Effect of Mini-implant Diameters on Primary Stability and Viscoelastic Migration of Mini-implants under Orthodontic Loading." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1365079269.
Full textLudden, Christopher William. "Transcriptomic evaluation of peri-implant soft tissue in health and disease." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1435233979.
Full textSaha, Saroj Kumar. "Effect of corticosteroid medication on periodontal and implant related procedures." Thesis, University of Colorado at Denver, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10191217.
Full textBackground: Corticosteroid medications have been researched extensively in oral surgery procedures for the proposed reduction in trismus, swelling, and pain. No consensus has been determined for the most efficacious type, timing, and dosage of medication thus far. In addition little is known about the usage of corticosteroids for periodontal and implant related procedures. The aims of this review are to help clinicians understand the usage of corticosteroid medications in various dental surgeries.
Methods: The PubMed-MEDLINE and the Cochrane-CENTRAL databases were searched through and up till June 2015 to identify appropriate studies regarding this aim. Appropriate studies were those reporting on the usage of corticosteroids related to its pathophysiology, surgical related outcomes, and patient related outcomes in dental procedures. Conclusions: The search yielded 256 unique papers after selection resulted in 12 publications that met the eligibility criteria. In general the usage of corticosteroids in third molar extractions improved post operatives outcomes related to edema, trismus, and a slight reduction in pain. However, It cannot be recommended to use corticosteroids for pain management. Due to the various types, routes, and dosages of corticosteroid used in studies, no specific drug, route, or dosage can be recommended by literature. The usage of corticosteroids for periodontal and implant related procedures has not been investigated. Further research is required to investigate the possible benefits of corticosteroids on reduction of surgical swelling in periodontal and implant related surgeries.
Epshteyn, Leonid. "OPTIMAL SPECIFICATIONS FOR MEASURING BONE-TO-IMPLANT CONTACT OF MINI-SCREWS USING MICRO-CT." Master's thesis, Temple University Libraries, 2016. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/395373.
Full textM.S.
The use of mini-screws (MSs) as temporary anchorage devices (TADs) is becoming more common in orthodontic treatment. With the increased use of TADs and the numerous manufactures producing them, research is needed to aid orthodontists in their selection of MSs. One of the major advantages of using mini-screw implants is that they can be loaded immediately and do not require osseoitegration.1 For this to be successful, the mini-screw needs to have adequate primary stability to retain itself in the bone. The mini-screw bone system relies on the stability of the mini-screw, the stability of the bone, and the stability of their interface.19,20 In the literature, this stability if usually quantified by measuring the pullout force, insertion torque and bone-to-implant contact.25,26 To date, much of the research has demonstrated that the geometric configuration of the mini-screw plays a significant role in its primary stability. Features such as pitch (length between threads), thread body design, screw length and diameter factor into primary stability.5,21,23 In order to observe the bone-to-implant contact traditionally, researchers had to perform histologic section. This method is destructive to the sample and does not allow it to be used for other analyses such as pullout force. With micro-CT technology, it is now possible to study the bone-to-implant relationship without destroying the sample and with great accuracy.6 Currently, it is unclear as to the optimal scanning specification to choose when using a micro-CT to measure bone-to-implant contact. The optimal scan is one, which provides the most accurate measurement within the least amount of time. The highest quality scans increase both time and costs of acquisition, while lower quality scans have the potential of introducing inaccuracies. This study aims to determine the optimal specifications needed to scan a mini-screw in bone using a SkyScan 1172 micro-CT, to measure the bone-to-implant contact. A total of three orthodontic mini-screws from Aarhus (American Orthodontics, Sheboygan, Wisc), 1.4 mm in diameter and 8 mm long were inserted into an adult pig mandible. All three mini-screws were inserted into the lingual area in the molar region. Each mini-screw was inserted until all the threads were buried into the bone. After placement, the blocks of bone containing the individual mini-screw were cut out and shaped to facilitate scanning by micro-CT. Each sample was be positioned and scanned individually using micro-CT (SkyScan 1172; SkyScan, Aartselaar, Belgium) under 5 different specifications, see table 1. SkyScan software was used to process the scans and calculate qualitative and quantitative data. For each sample bone-to-implant contact was measured. The software measured the TS, which is the area of the mini-screws surface and the IS, which is where the bone interfaces with the mini-screws. The IS/TSx100 was determined to be the percentage of the mini-screws surface that is in contact with bone or the bone-to-implant contact. Qualitative and quantitative analyses were performed to determine statically significant differences between the various bone-to-implant contact measurements of the samples. BIC varied greatly between the scanning specifications and samples, from 0% to 70.35%. Quantitative and qualitative analysis was performed to compare the differences in BIC(%) values between the 5 specifications. Two of the three samples displayed an accuracy of greater than 95% for specification 3, thus providing latitude in adjustment/reduction of scanning times with minimal variance in data accuracy for BIC(%). The results show for measuring BIC(%), scanning specifications can be modified/optimized to reduce scanning time while maintaining acceptable accuracy when scanning of large sample sizes are needed. It is recommended that for studies where absolute BIC(%) is needed, specification 5 is recommended since it will provide the most accurate measurement. For studies that are comparing changes in BIC(%), specification 3 is recommended as it will provide an acceptable level of accuracy in a reasonable amount time. However, due to limited sample size, more data is needed.
Temple University--Theses
Srivastava, Akanksha. "Willingness-to-pay for Mandibular two-implant overdentures: a societal perspective." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=119691.
Full textObjectifs: Les services de santé buccodentaire au Canada sont financés principalement par les payeurs privés, dont l'acceptation d'une nouvelle technologie dentaire dépend de leur appréciation de celle-ci. Cette étude de préférence fournira des informations aux dentistes, aux compagnies d'assurances ainsi qu'aux décideurs politiques sur ce que les personnes sont prêtes à payer (directement, couverture d'assurances ou couverture gouvernementale) pour des prothèses sur implants dentaire. Notre objectif était de déterminer de quelle façon les gens évaluent les avantages des implants mandibulaires à deux prostheses à partir d'un stratégie de volonté de payer. Les variations de montants de volonté de payer en lien avec le statut socio-économique ont également été mesurées. Méthodes: 2001 numéros de téléphone de Canadiens qui represent d'un échantillon de la public ont été obtenues à l'aide d'un fournisseur de base de données. Les personnes qui ont accepté de participer ont rempli un sondage en ligne ou par telephone sur trois scénarios relies aux coûts. Il s'agit notamment: (i) payer de leur poche, (ii) couverture d'assurance privée, et (iii) financement public à partir d'impôts supplémentaires. Les renseignements personnels (par exemple l'âge, le revenu, etc) ont été utilisés comme variables indépendantes dans un modèle de régression pour évaluer les déterminants de montants du volonté de payer. Résultats: Parmi les 1096 répondants, 317 ont participé à l'enquête (taux de réponse: 28,9%). Les participants (âge: 41,2 ± 0,6; 54,3% d'hommes) dentés ou à qui il manquait quelques dents étaient prêts à payer 5347 $ de leur poche pour des prothèses sur implants. Considérant 1 chance sur 5 de devenir édenté, ils étaient prêts à payer une moyenne de 26,93 $ en paiements mensuels pour l'une assurance privée. Ils étaient également prêts à payer des impôts annuels supplémentaires de 103,63 $ pour soutenir un programme public. Les montants de volonté de payer ont considérablement augmentés selon le revenu du ménage des individus. Les résultats d'analyse de régression ont été associés de façon significative avec le revenu, l'autoévaluation des besoins et le statut d'assurance dentaire (ps <0,05). Conclusion: Les résultats de cette étude suggèrent que les personnes dentées seraient prêtes à payer un montant significatif pour recevoir des implants mandibulaires à deux prothèses dans le cas d'édentation que ce soit par paiement privée, à l'aide d'une couverture d'assurance ou bien d'une prime governementale.
Ryan, Michael Stephen. "Bone responses to early static loading of a sandblasted and acid-etched root form implant| A histological examination of bone-to-implant contact in the canine mandible." Thesis, The Texas A&M University System Health Science Center, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=1539098.
Full textPurpose: This study tested the null hypothesis that the bone-to-implant contact (BIC) between endosseous implants with the SLA surface in the canine mandible will not be affected by the application of a light, continuous load during the implant’s period of osseointegration.
Materials and Methods: Thirty Straumann Tissue Level implants were placed in the mandibles of 6 foxhounds. NiTi coil springs were attached to the healing abutments of select implants and provided with a light continuous load. Each canine received two unloaded control implants and three test implants loaded at 2, 4, or 6 weeks post implant placement. Histological analyses of BIC was performed 10 weeks post implant placement.
Results: There was no statistically significant difference between the test and control implants in regards to Total BIC.
Conclusion: This studies implies confirmation of the null hypothesis that there is no difference in osseointegration, measured as BIC, between implant groups.
Arce, Celin. "Retentive strength at the zirconia implant abutment and titanium base interface with different surface treatments." Thesis, The University of Alabama at Birmingham, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10242382.
Full textScrew-retained zirconia implant crowns with an internal titanium base have favorable mechanical properties compared to single piece zirconia implant crowns; however, they require adequate bonding between the zirconia crown and the titanium base. This study measures the retention between a titanium base and a full contour zirconia implant crown following different surface treatments of their bonded surfaces.
Full contour zirconia implant crowns were fabricated to fit a 3.5mm titanium base. The crowns were bonded to the titanium bases following 4 protocols (n=15): no surface treatment (Group 1), MDP-primer on the intaglio of crown and exterior of base (Group 2), alumina particle abrasion of the intaglio of crown and exterior of base (Group 3), and alumina particle abrasion and an MDP-primer on the intaglio of crown and exterior of base (Group 4). All crowns were bonded to the base with resin cement. Specimens were stored in water for 24 hours at 37°C and then thermocycled between 5°-55°C water for 15,000 cycles with a 15 second dwell time. Crowns were separated from the titanium bases using a universal testing machine. The four protocols were compared using a one-way ANOVA, followed by Tukey’s post-hoc tests (alpha=0.05). Sectioned specimens were examined with SEM.
Retention forces for Group 1 (737.8±148.9 N) and Group 2 (804.1 ±114.5 N) were significantly greater than Group 4 (595.5 ±122.2 N) which was significantly greater than Group 3 (428.2 ±93.8 N). Visual inspection of the debonded specimens showed that the majority of the cement remnants were seen on the external surface of the titanium bases. Microscopic examination of the interface between the crown and the unaltered base shows that the cement gap is approximately 13μm at the crest of the microgrooves and 50μm within the channel of the microgrooves. After particle abrasion, the microgrooves become significantly dulled and the cement gap increased to 27-40μm at the crest and 55-58μm in the channels.
Particle abrasion of titanium bases that contain retentive microgrooves prior to bonding is contraindicated. Application of a 10-MDP-primer demonstrated limited improvement in the retention of the zirconia implant crowns.
Scherer, Michael David. "Comparison of Retention and Stability of Implant-Retained Overdentures Based Upon Implant Location, Number, and Distribution." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1336664206.
Full textAwad, Manal A. "Comparing mandibular 2-implant overdentures and conventional dentures : phychosocial and functional outcomes." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=36871.
Full textTherefore, the main objectives of this research was to investigate the effect of using mandibular 2-implant supported prostheses and conventional dentures on oral health related quality of life, using a randomised controlled clinical trial design. The secondary objectives were to assess the factors that explained patients' satisfaction with their prostheses and to evaluate the association between ratings of satisfaction, ability to chew and laboratory tests of masticatory efficiency according to treatment received. In addition, the association between patients' pretreatment preference and general satisfaction with original prostheses was explored, as well as the possible effect of pretreatment preferences on post treatment satisfaction.
One hundred and two female and male subjects between the ages of 35--65 years responded to a newspaper advertisement for patients who wished to replace their current prostheses. Forty-eight subjects were randomly assigned to receive conventional denture and 54 to the implant group. Prior to treatment, subjects were asked to indicate which treatment they would prefer if given a choice. Patients' ratings of general satisfaction were evaluated with their original prostheses and two months after receipt of the new treatments using 100mm Visual Analogue Scales (VAS). Similarly, subject's quality of life was assessed using the Oral Health Impact Profile (OHIP), prior to and two months after receipt of the new prostheses.
Multivariate regression analysis showed that subjects in the implant group had significantly higher ratings of general satisfaction (p < 0.05) as well as, with their general ability to chew, stability and comfort compared to those who received mandibular conventional dentures. In addition, subjects in the implant group were significantly more satisfied with their ability to chew specific foods with different textures. To the contrary, no significant differences were observed between the two groups using laboratory measures of masticatory efficiency.
Furthermore, patients who received implant treatment had significantly lower OHIP scores (p < 0.05) indicating better quality of life compared to subjects in the conventional group. In this trial age, gender, level of education, income and marital status were not significantly associated with either ratings of satisfaction or quality of life.
Although patients' preferences were significantly associated with their ratings of satisfaction with original prostheses, preferences did not have a significant effect on post-treatment oral health related quality of life or satisfaction.
Overall, the results of this study suggest that, after two months of adaptation, a prosthesis supported by two osseointegrated implants provided significant improvement in oral health related quality of life and satisfaction compared to a conventional denture.
Harrison, Kevin Charles. "Implant Placement in Conjunction with the Ridge Split Technique." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1306864728.
Full textRoman, Katherine. "Comparison of leakage among different screw-access sealing materials for temporary implant-supported screw-retained crowns." Thesis, NSUWorks, 2014. https://nsuworks.nova.edu/hpd_cdm_stuetd/27.
Full textLee, Connie. "SITE-SPECIFIC CHARACTERISTICS OF PERI-IMPLANT WOUND." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1338117117.
Full textPurcell, Bradley Allen. "Prosthetic Complications in Mandibular Fixed-Removable Implant Prostheses Opposed by Complete Dentures: A 5-9 years Analysis." The Ohio State University, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=osu1419870196.
Full textRashid, Faahim. "Measuring real world effectiveness of mandibular 2-implant overdentures - a pragmatic international multicenter study." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=19256.
Full textObjectif : La présente étude d'observation multicentrique visait à déterminer le degré de satisfaction et la qualité de vie liée à la santé buccodentaire des patients portant des prothèses complètes classiques ou des prothèses mandibulaires retenues par deux implants dans le « monde réel ». Méthodes : Deux cent trois patients édentés ont été recrutés dans huit centres. Au début de l'étude et six mois plus tard, ces patients ont évalué leur degré de satisfaction à l'égard des prothèses au moyen de questionnaires comportant une échelle visuelle analogique de 100 mm ainsi que leur qualité de vie liée à leur santé buccodentaire au moyen du profil des conséquences de la santé buccodentaire. Résultats : Bien que les deux groupes aient signalé des améliorations, les patients ayant des prothèses mandibulaires retenues par deux implants étaient dans l'ensemble beaucoup plus satisfaits et ont accordé des cotes beaucoup plus élevées au confort, à la stabilité et à la capacité de parler et de mastiquer. Même si les cotes attribuées sur le profil des conséquences de la santé buccodentaire étaient beaucoup plus élevées pour le groupe portant des prothèses mandibulaires retenues par deux implants, aucune différence significative n'a été observée dans les évaluations faites par les deux groupes après le traitement. Conclusions : Ces résultats suggèrent que les patients ayant opté pour des prothèses mandibulaires sont beaucoup plus satisfaits, malgré le coût relativement plus élevé de ces prothèses, et que la qualité de vie liée à leur santé buccodentaire est nettement supérieure à celle des patients qui reçoivent de nouvelles prothèses complètes classiques. fr
AL-Meraikhi, Hadi Nasser. "In Vitro Fit and Distortion of CAD/CAM-Fabricated Implant-Fixed Titanium and Zirconia Complete Dental Prostheses Frameworks." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1449063197.
Full textManji, Aleem. "Prevalence of Maxillary Sinus Pathology in Patients of the Misch International Implant Institute." Master's thesis, Temple University Libraries, 2012. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/163762.
Full textM.S.
With the continuous evolution of sinus augmentation procedures in the field of implant dentistry it is imperative to have a comprehensive understanding of the maxillary sinus area. Both lateral wall and crestal approach sinus augmentation procedures have proven to be extremely successful for guided bone regeneration in the maxillary sinus. However, complications stemming from augmentation procedures are related to the presence of pre-existing maxillary sinus pathologies. The purpose of this study was to expand upon the current knowledge base in regards to the prevalence of maxillary sinus pathologies in patients presenting to an implant dentistry practice. To this end, computerized tomography (CT) scans of patients presenting to the Misch International Implant Institute (MIII) were analyzed for the existence of maxillary sinus pathology. Scans of 275 patients presenting to the MIII for maxillary sinus augmentation were evaluated by up-to three different examiners, all of whom were calibrated to the study design and well versed in the use of software to analyze CT scans. Age and gender were also evaluated to see if they had any relationship on the incidence of pathology. Scans were classified into one of five categories based upon the type of sinus pathology detected. The categories of sinus findings were: healthy, mucosal thickening > 5 mm, polypoidal mucosal thickening, partial opacification and/or air fluid level, and complete opacification. Overall, 54.9% of scans were classified as healthy, and 45.1% of scans were classified as exhibiting sinus pathology. Men were more likely to exhibit pathology compared to females (p<0.01). However, age did not appear to have any relation on the prevalence of sinus pathology. The prevalence of sinus pathology reported in this study appears to be within the range shown in previous medical and dental literature. However, due to the different populations studied in the literature and the varying definitions of what constitutes pathology, there is no consensus as to the exact prevalence of sinus pathology. Therefore, it may be more important for the dentist who is evaluating a CT scan prior to maxillary sinus augmentation to understand which patients will benefit from referral to another specialist (such as an otolaryngologist) for evaluation and co-management. It is proposed that based on the findings of this study, 45.1% of patients would require further consultation prior to proceeding with maxillary sinus augmentation surgery.
Temple University--Theses
Mizumoto, Ryan M. "The accuracy of different digital impression techniques and scan bodies for complete-arch implant-supported reconstructions." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1530005688900126.
Full textFakhravar, Behnam. "The Effect of Probing And Scaling Instrumentation On Implant Restorative Abutments." Master's thesis, Temple University Libraries, 2011. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/148112.
Full textM.S.
Introduction: Dental implant abutments can be exposed to a variety of oral prophylaxis procedures. Instrumentation of restored dental implants could subject the apical collar of the implant restorative abutment to surface scratching. Scratched surfaces may pose a threat to the integrity of the soft-tissue seal around the apical portion of the abutment which eventually may compromise the alveolar support of the implant. The aim of this study was to objectively measure surface roughness on the apical collar of metal implant abutments induced by probing and scaling instruments. Materials and Methods: 14 standard transmucosal 3 in 1, 4.5 mm diameter abutments made of titanium alloy (BioHorizons, Atlanta, GA) and 4 instruments, UNC-15 metal probe, Periowise plastic probe, McCall SM 17/18 metal scaler and universal plastic scaler were used to conduct the study. 4 abutments were used for non-treated measures and 10 abutments were used for instrumentation measures. All abutments were divided into four sections. Abutments used for instrumentation were treated with one of the four indicated instruments, one instrument per each section. Surface roughness of untreated and treated surfaces was assessed using a contact profilometer. Analysis of variance (ANOVA) was used to compare surface roughness between untreated and treated surfaces. Results: ANOVA showed significant differences in surface roughness between the treated and untreated surfaces (p< 0.0001). Add hoc analysis using Tukey-Kramer HSD test showed no statistical differences between untreated measures and metal probe measures (p>0.05). On the other hand, statistical differences were noted between untreated measures with plastic probe measures (p= 0.05), plastic scaler measures (p=0.05) and metal scaler measures (p=0.05). The metal scaler measures were higher than plastic probe measures (p=0.05), and plastic scaler measures (p=0.05). Conclusions: Probing around implant abutments with a metal probe seems to have no relevant effect on abutment surfaces. In contrast, instrumentation with scalers (both metal and plastic) and plastic probe may cause adverse surface changes. It is not known if these changes have clinical relevance.
Temple University--Theses
Kalra, Sonam. "The distribution and pro-inflammatory impact of titanium debris accumulation in the peri-implant environment." Thesis, University of Birmingham, 2014. http://etheses.bham.ac.uk//id/eprint/4759/.
Full textLeung, Theresa. "Cellular and tissue responses to implant materials : development of a novel organ culture model." Thesis, University College London (University of London), 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285839.
Full textHowell, Kent Jon. "Accuracy of the Biomet 3i Encode® Robocast™ Technology Versus Conventional Implant Impression Techniques." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1306772544.
Full textNarendrakumar, Krunal. "Developing methods to prevent or treat microbial colonisation of titanium dental implant surfaces." Thesis, University of Birmingham, 2015. http://etheses.bham.ac.uk//id/eprint/5677/.
Full textAllen, Patrick Finbarr. "An assessment of oral implant therapy outcomes using health status measures." Thesis, University of Newcastle Upon Tyne, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310033.
Full textGil-Escalante, Mariana. "Comparison of Azithromycin and Amoxicillin for Prophylaxis at Dental Implant Placement: A Randomized Pilot Study of Bioavailability and Anti-inflammatory Effects." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1371125943.
Full textAkeel, Riyadh Fadul. "The dynamic recording of occlusal forces related to mandibular movement and masseter muscle activity in implant stabilised overdenture wearers." Thesis, Queen Mary, University of London, 1994. http://qmro.qmul.ac.uk/xmlui/handle/123456789/1339.
Full textShank, Stephanie Brooke. "Bone Damage Associated with Orthodontic Miniscrew Implants." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1299685868.
Full textEmecen, Huja Pinar. "Crevicular Fluid Content during Wound Healing Comparison between Tooth and Implant." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1306865751.
Full textSitbon, Yves Alain Dietrich. "Epithelial cells attachment on five different dental implant abutment surface candidates." Thesis, University of Iowa, 2009. https://ir.uiowa.edu/etd/266.
Full textJohnston, Geoffrey R. "Comparison of Vertical Misfit Between Pattern Resin and Welded Titanium Used to Fabricate Complete-Arch Implant Verification Jigs." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1499779684903305.
Full textHamdan, Nader. "Dietary intake differences between patients wearing two-implant mandibular overdentures and conventional dentures: a randomized controlled parallel trial." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=119713.
Full textObjectifs: Il a été démontré que les patients portant des prothèses mandibulaires supportées par deux implants (PI) mastiquent la nourriture avec moins de difficulté que ceux portant des prothèses dentaires complètes conventionnelles (PC). Cependant, il existe toujours une controverse concernant si cela se traduit ou non en un meilleur apport alimentaire. Dans cet essai clinique randomisé, les quantités de fibres alimentaires totales (FAT), de macronutriments, de neuf micronutriments et d'énergie dans l'alimentation de patients PI et PC ont été comparées en utilisant de l'information provenant de trois rappels d'aliments consommés sur 24h. Nous visions à déterminer si le fait de fournir une prothèse dentaire simple retenue par des implants à des individus édentés âgés leur donne un profil nutritionnel significativement meilleur que ceux qui reçoivent des prothèses conventionnelles. Méthodes: Deux cent cinquante-cinq patients édentés masculins et féminins (> 65 ans) ont été répartis au hasard en deux groupes égaux et assignés à recevoir une PC maxillaire et soit une PI ou une PC pour la mandibule. Deux cent dix-sept participants (PC = 114, PI = 103) ont complété le protocole d'un an, puis ont rapporté les types d'aliments et les quantités consommées à un diététiste professionnel par une méthode standard de rappel sur 24h. Les données recueillies ont été analysées en utilisant les valeurs nutritives tirées du Fichier canadien sur les éléments nutritifs à l'aide d'un logiciel spécialisé de la Faculté de diététique et de nutrition humaine de l'Université McGill. Les valeurs moyennes de FAT, de macro- et micronutriments et d'énergie consommées par les deux groupes ont été calculées et comparées analytiquement. Résultats: Aucune différence significative intergroupe n'a été trouvée même avec une stratification selon le sexe (ps> 0.17). Aucune différence significative intergroupe n'a été trouvée dans l'apport de FAT (ps> 0.36), d'énergie (ps> 0.58) ou de macronutriments, i.e. protéines, gras ou glucides (ps> 0.41), au début de l'étude et un an post-traitement. Il n'y avait également aucune différence significative entre les deux groupes pour aucun des neuf micronutriments examinés (vitamine A, vitamine B6, vitamine B12, vitamine C, vitamine D, thiamine, riboflavine, folates et niacine) (ps> 0.13). Une corrélation non significative a été observée pour l'association entre toutes les variables dépendantes (FAT, énergie, macro- et micronutriments) et le traitement après ajustement pour les valeurs initiales et le sexe. Conclusions: Bien qu'il existe de nombreuses données soutenant l'adoption d'un traitement avec des prothèses mandibulaires supportées par deux implants (PI) comme norme de soins pour les patients édentés, ces preuves n'incluent pas une amélioration dans l'apport alimentaire après un an pour des personnes âgées édentées indépendantes et en bonne santé à qui l'on ne fournit pas de conseils diététiques spécifiques. (# Enregistrement international d'ECR : ISRCTN24273915). Mots-clés : Essai clinique randomisé, nutrition/ sciences de la nutrition, implant(s) dentaire(s), édenté/ édentation, médecine dentaire gériatrique, prothèses, prothèses amovibles.
Mascarenhas, Faye. "The Effect of Cyclic Loading on the Zirconia/Titanium Implant Abutment Interface and the Mechanism of Failure between Three Different Types of Abutments." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1440122618.
Full textMahmoud, Ahmad. "Implant-Abutment Interface: A Comparison of the Ultimate Force to Cause Failure between Small Diameter Implant Systems." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1354197449.
Full textRobitaille, Nicolas. "METAGENOMIC ANALYSIS OF THE DEVELOPING PERI-IMPLANT SULCUS." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1434667746.
Full textMuller, Katia. "The mandibular implant overdenture versus the madibular conventional denture : impact on the nutritional status." Thesis, McGill University, 1999. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=30708.
Full textMohunta, Vrinda V. "Radiographic Appearance of Inter-occlusal Record Materials for CBCT Guided Implant Surgery." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1436203075.
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