Cement-osseous dysplasia is an uncommon benign fibro-osseous lesion of the maxillae in which cementum tissue replaces the normal architecture of the bone. It is usually asymptomatic, and discovery is ...incidental on routine radiological examination. Treatment is necessary if there is an infection due to exposure to the lesion in the oral cavity. In these severe cases, pain, cortical blowing, and facial deformity may be present. Thus, patients with cemento-osseous dysplasia have prosthetic bearing surfaces unfavorable for prosthetic rehabilitation. The management of cemento-osseous dysplasia requires a careful clinical examination to make a correct diagnosis and develop the appropriate treatment plan. The practitioner must inform the patient of the limitations of prosthetic rehabilitation. The objective of this article is to review, through case report, the clinical, histological, and radiological characteristics and possible complications of this lesion and to highlight its impact on the prosthetic bearing surfaces as well as the problems inherent in the prosthetic rehabilitation.
Introduction Despite the enrichment of our therapeutic panoply by integrating implants and CAD/CAM techniques, the removable partial denture with metallic infrastructure (RPD) will remain an ...unavoidable alternative in the rehabilitation of partial edentulous teeth. The purpose of this survey, divided into three parts, is to evaluate the knowledge, attitudes, and practices of dentists in private practice in the Rabat-Sale-Kenitra region regarding the design of removable partial dentures, to provide information on the means of communication with laboratory technicians, and to investigate possible correlations between the failure of the prosthetic project and certain adopted practices. Materials and methods The study concerned a sample of 101 dentists practicing in the region of Rabat-Sale-Kenitra to whom we sent an anonymous 4-page printed questionnaire containing 28 questions on the design of metal frames in PAPM. A descriptive and analytical statistical study was conducted to process the data. Results Following the results of the statistical study, only 8% of the practitioners performed more than ten partial removable prostheses per month, 17% did not perform a clinical examination, 20% did not perform a study model, 69% did not perform the RPD design by themselves and entrusted this task to the dental technician. In comparison, 89% did not use a Dental Surveyor. Conclusion This survey showed that many practitioners do not follow the rules of good practice and that they lack knowledge of RPD design. Therefore, postgraduate training is envisaged to eventually help practitioners implement these good practices and improve this knowledge. However, it was noted that only 58% of the practitioners in our sample were interested in such training.
La réhabilitation prothétique par la prothèse amovible complète conventionnelle chez les patients présentant des crêtes mandibulaires sévèrement résorbées (classe III ou IV d’Atwood) pose un défi, ...car ces patients ont une base dentaire réduite, entrainant un compromis de rétention, de stabilité prothétique et du confort du patient. La technique piézographique peut être considérée comme une approche thérapeutique intéressante, lorsque les implants dentaires sont contre-indiqués ou refusés par les patients. La zone neutre est l’espace potentiel où les forces exercées par les lèvres et les joues d’un côté sont neutralisées par celles exercées par la langue de l’autre côté. Cette technique guide l’organisation des dents et le contour de la surface polie de la prothèse pour assurer une stabilité et une rétention prothétique optimales, le soutien du visage et l’esthétique. Le but de cet article est de présenter les différentes étapes de réalisation d’une prothèse issue d’une empreinte piézographique, à travers un cas clinique.
A combination of dental problems such as missing teeth, proclination of teeth and occlusal problems cannot be satisfactorily treated by prosthodontic approach alone. The rehabilitation of patients ...requiring an esthetic smile demands the collaboration of multiple dental specialists. the need for orthodontic tooth movement prior to restorative treatment is necessary for some patients, in order to optimize both esthetic and functional aspects of dental treatment.The present case report achieved successful implant based oral rehabilitation in a patient with absence of the right maxillary central incisor utilizing a preprosthetic orthodontic implant site preparation for the purpose of space gain.
Goal of the study: To detect the prevalence, association, and correlation that may exist between the vertical dimension of occlusion and certain facial clues in a toothed population in search of a ...simplified method for the determination of DVO in complete edentulous people.Introduction: The methods for recording the vertical dimension of occlusion, rest, or phonetic vertical are very numerous, attesting to the absence of a universal scientific method for its determination. The aesthetic criterion of respecting morphological proportions constitutes for many authors a preferential reference guide. Determining the vertical occlusion dimension (DVO) remains a complex and imprecise step using several complementary methods. The exploitation of clues Facials seems a simple and promising means but a subject still to controversies. Material and method: We conducted a diagnostic study, spread over a period of one and a half years within the faculty of dentistry of Rabat. The facial indices studied were as follows: the inter-pupillary distance, the distance between the inner canthus and the labial commissure, the distance between the center of the pupil and the labial commissure, the internal canthus distance from the eyes × 2, the external canthus distance from the ear, the distance between external canthus and internal canthus (opposite eye), the width of eyes × 2 and distance between the external wing of nose and eyebrow. The measurements (DVO and different facial clues) were taken by the same operator directly on the toothed subjects, using a caliper.Results and discussion: On the 103 subjects, our sample presented a predominantly female with an average age of 21 years ± 3.9. The average vertical occlusion dimension was 50.49 mm ± 6.45. We noted a concordance between the DVO and two facial indices namely the internal canthus-labial commissure distance (51.16 mm ± 6.11) and the center of the pupil-labial commissure distance (52.18 mm ± 6.66). The reliability analysis was in favor of a positive, strong and very significant correlation between the DVO and the following measures: the inter-pupillary distance, the internal canthus distance-labial commissure, and the center distance of the pupil-labial commissure (p <0.001). By adjusting the inter-pupillary distance, the internal canthus-labial commissure distance, the center distance of the pupil-labial commissure, the internal canthus distance from the eyes × 2, the external canthus-ear distance, the width of the eyes × 2, the distance between the external wing of the nose and the eyebrow, only the distance between the internal canthus and the labial commissure, the distance between the external canthus and the ear and the width of the eyes × 2 were explanatory variables for the DVO.Conclusion: The inter-pupillary distance, the internal canthus-labial commissance distance, and the center distance of the pupil-labial commissure approximate the vertical dimension of occlusion in the dentate subject. The use of these facial indices seems interesting incomplete removable prosthesis because of its simplicity and speed.
En prothèse amovible complète, la stabilité prothétique est la clé du succès de toute réhabilitation prothétique quel que soit la situation clinique. Grâce au confort qu’elle apporte aux patients, ...elle améliore nettement leur qualité de vie en leurs garantissant le rétablissement des différentes fonctions orales fortement altérées par la perte des dents ainsi qu’une intégration organique et psychique de la prothèse. Ce pilier de l’équilibre biomécanique de la prothèse amovible complète est assuré d’une part par une exploitation raisonnée des surfaces d’appui verticales ou obliques constituant la surface d’appui prothétique afin de s’opposer aux forces horizontales développées pendant la mastication par la musculature périphérique, et d’autre part par l’établissement d’un équilibre occlusal parfait aussi bien statique que dynamique sous forme d’une occlusion intégralement équilibrée. La pérennité du résultat obtenu dépend essentiellement de la maintenance post-prothétique périodique.
In removable complete prosthesis, the prosthetic stability is the key to success of any prosthetic rehabilitation whatever the clinical situation. With the comfort it provides to patients, it significantly improves their quality of life by ensuring their recovery of different oral functions strongly affected by tooth loss as well as organic and psychic integration of the prosthesis. This pillar of the biomechanical balance of the denture is provided in part by reasonable use of vertical or oblique contact surfaces constituting the prosthetic bearing surface to resist horizontal forces developed during chewing by peripheral musculature, and secondly by establishing an occlusal perfect balance both static and dynamic form of a fully balanced occlusion. The durability of the result depends mainly on the periodic post-prosthetic maintenance.
En prothèse amovible complète, les réhabilitations prothétiques sont parfois difficiles, surtout en présence d’un environnement ostéomuqueux défavorable, empêchant la mise en place de la prothèse. En ...effet, une hypertrophie crestale et tubérositaire importantes impose un aménagement chirurgical de l’espace prothétique utile, car ces obstacles anatomiques contraignent le praticien à des compromis néfastes pour la stabilité des prothèses, tant au niveau de l’étendue des bases qu’au niveau de l’occlusion et de l’esthétique. À travers ce travail, nous allons essayer d’illustrer les difficultés inhérentes à l’insuffisance de l’espace prothétique dans le sens horizontal et de proposer une conduite à tenir adéquate face à ce problème pour un équilibre prothétique optimal.
In removable full prosthesis, prosthetic rehabilitation can be difficult, especially in the presence of an unfavorable ostéomuqueux environment, preventing the establishment of the prosthesis. Indeed, a significant hypertrophy and crestal tuberosity requires surgical planning of the prosthetic space useful because these anatomical obstacles forcing the practitioner to harmful to compromise the stability of the prostheses, in terms of the extent of the base at the level occlusion and aesthetics. Through this work, we will try to illustrate the difficulties inherent in the lack of prosthetic space in the horizontal direction and propose a course of action adequately address this problem for optimal prosthetic balance.
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