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At least 163 records · Page 9Linked to original sources
PubMed1999

A new paradigm for the construction and service of fixed prosthodontics.

Some of the most disheartening things that can happen to restorative dentists is to be faced with problems, complications, and failures in their own fixed prosthodontics. A highly advantageous technique for removing existing restorations and creating removable cement-retained fixed prosthodontics has been described. In the history of crown and bridge prosthodontics, there has not been a proven precision technique to remove these restorations, with the exception of screw-retained implant prostheses, which exhibit many disadvantages. This new paradigm provides a new dimension to the practice of dentistry and allows for the repair, service, and maintenance of restorations in ways that have never been done in the past. Removing crowns and fixed bridges can be learned like any other dental skill, such as endodontics or taking accurate impressions. Skill and confidence comes when the technique has been performed on a large variety of cases. Being able to quickly and easily remove these restorations can certainly be rewarding and reduce a lot of stress.

Dental Prosthesis Retention↗
PubMedDate not supplied

Mandibular overdentures: professional time for prosthodontic maintenance during the first year of service using three different implant systems.

PURPOSE: The purpose of this study was to evaluate the professional time required for the prosthodontic maintenance events of mandibular implant overdentures during the first year of service using three different implant systems (ITI, Steri-Oss, or Southern). MATERIALS AND METHODS: Seventy-two mandibular implant overdenture patients were allocated to three equal groups, each treated with a different implant system. Data on prosthodontic maintenance events during the first year were categorized and analyzed according to professional time allocation per procedure. RESULTS: The total professional time required to perform all the maintenance events ranged between 29.0 and 34.0 hours and did not differ significantly among the three groups, although there were time differences for matrix activation and replacement. When combining the professional time for all maintenance events for the mandibular overdentures alone, or with the opposing maxillary complete dentures, there were no significant differences between groups. For maintenance of the maxillary dentures, there was an unexplained difference between the Southern group and ITI or Steri-Oss groups (P < .05). CONCLUSION: The prosthodontic maintenance for mandibular implant overdentures required on average 72 to 98 minutes of professional time per patient during the first year of service, depending on the system used.

Aged↗
PubMed2004

Systematic review of the evidence supporting intra-oral maxillofacial prosthodontic care.

The literature on maxillofacial prosthodontics may be considered to be dominated by articles describing case reports or case series. Prospective, well-controlled clinical trials are scarce owing to the inherent difficulty of performing such trials in patients suffering from oral cancer. The aim of this study was to perform a systematic review of the literature relating to intra-oral maxillofacial prosthodontics based on the principles of evidence-based dentistry. A detailed report of the findings is presented and critically assessed and a discussion of the outcome in respect to the various confounding factors is carried out. Finally, suggestions for future research in the field of maxillofacial prosthodontics are made.

Dental Implantation↗
PubMedDate not supplied

Radiographic study of changes in the mandibular condyle after implant prosthodontic rehabilitation.

PURPOSE: The aim of this follow-up investigation was to assess the influence of clinical variables after implant prosthodontic rehabilitation in patients without temporomandibular disorders on alterations of condylar morphology as seen radiographically. MATERIALS AND METHODS: In 167 patients, the condylar findings of flattening, erosion, osteophytes, and sclerosis were scored according to severity on rotational panoramic radiographs. Findings were followed up on images taken before and on average 5 years after implant prosthodontic rehabilitation. Changes were analyzed in relation to age, gender, initial radiologic status, and occlusal support pre- and posttreatment, according to Eichner groups, by logistic regression analysis. RESULTS: The majority of patients did not show structural alterations over the follow-up period, regardless of whether the condyle was already affected at the outset of the investigation. Condyles unaffected at the time of the first radiograph made up the majority of increases in radiographic score. Flattening and sclerosis were cumulative, whereas erosions and osteophytes had a more transient character. There was no influence of the mentioned clinical or radiographic findings on the development of changes. CONCLUSION: Over the investigated period, the incidence of all four noted findings doubled. However, the statistical methods employed could not detect any influence of patient variables or the insertion of implant-retained prosthodontics on the development of condylar changes in this specific patient group. Both assertions reflect the complexity of the topic.

Adult↗
PubMedDate not supplied

A retrospective study of the prosthodontic management of patients with amelogenesis imperfecta.

PURPOSE: This article reports on a retrospective study on patients with a diagnosis of amelogenesis imperfecta and on their prosthodontic management, oral health status, and attitudes toward their condition. MATERIALS AND METHODS: The study comprised 15 patients and consisted of a clinical evaluation and questionnaire. Clinical examination included records of types of restorations and cements used, rating of restoration quality, as well as complications and periodontal variables. RESULTS: The 15 patients had a total of 213 prosthetic restorations. The median age of the restorations was 60 months. Following the California Dental Association's system, all restorations were rated as acceptable to excellent, with one exception. During the follow-up period, four (2%) restorations had been recemented and 16 (8%) restorations had been redone, five (2%) because of porcelain fractures and 11 (5%) because of caries; two (1%) endodontic treatments were performed after prosthetic restoration. Plaque and Bleeding Indices were 28% and 21%, respectively, while pocket depths of more than 3 mm were found at 7% of all tooth surfaces. All patients judged their condition as having affected them negatively. However, after prosthodontic rehabilitation, patients experienced an improvement in self-esteem. CONCLUSION: Patients with severe clinical manifestations of amelogenesis imperfecta obtained extensive prosthodontic treatment at an early age. The restorations had in general performed well, and all patients were affected positively as a result.

Adolescent↗
PubMed1991

Prosthodontic treatment of trauma to the nasus externus, premaxilla and maxilla of a dog.

This is a clinical report which presents a prosthodontic treatment for a trauma case in a dog with multiple dental, skeletal and soft tissue problems. The treatment resulted from investigations into prosthodontics with the assistance of a prosthodontic dental laboratory. The prosthesis which was fabricated solved the problem of obstructed airflow through an injured nares, and provided for an esthetic result. Treatment required intermittent procedures over a one year period.

Animals↗
PubMed1986

Prosthodontic considerations for patients with cleft lip and palate.

The prosthodontist provides the final active treatment for the patient with a cleft. He must anticipate and decide upon the prosthodontic procedures in collaboration with the plastic surgeon and/or the orthodontist during the period of their interventions. The purpose of prosthodontic treatment is to prevent the relapse of the maxillary segments and the teeth after surgical and/or orthodontic correction, as well as the rehabilitation of mastication, speech and aesthetics. The individual peculiarities of the cleft patient should be taken into consideration from the beginning. They are: discrepancy in the maxillo-mandibular relationship, malposition, malformation and tipping of teeth, caries, flat palate resulting from severe scarring, perforations. It is imperative to preserve the teeth in any condition with the exception of occlusal interference. Extraction of teeth adjacent to the cleft or in scar tissue leads to extensive bone resorption, enlargement of the cleft and gingival recession. Generally speaking, two teeth in each alveolar segment should be used as abutment teeth in bridge work. The teeth likely to relapse should be reconstructed in good intercuspal digitation and splinted primarily or secondarily. Bridge work is the first choice among the various prosthodontic procedures. If, however, a removable prosthesis is inevitable, rigid support should be obtained.

Adolescent↗
PubMedDate not supplied

A ten-year longitudinal study of fixed prosthodontics: 1. Protocol and patient profile.

This article is the initial report of a 10-year study of all fixed prosthodontic treatment performed in a specialist prosthodontic practice between January 1983 and December 1992. A set management protocol was maintained throughout the study. Three hundred forty-four patients who underwent 411 treatment episodes involving 768 crowns and 346 fixed partial dentures (786 abutments, 599 pontics) were recalled between July and December 1993. A classification system detailing outcome with well-defined parameters and including repair requirements was developed. This report limits discussion to the study parameters and patient profile. Of the total treatment episodes, 8.5% required some form of retreatment over the survey period. Of these, 5.5% involved prostheses that had failed, and 3.0% involved prostheses that had been repaired. Females sought fixed prosthodontic treatment more than males in a ratio of 2:1. Aesthetic considerations were the most common reasons for patients seeking crowns, while replacement of failed prostheses was the predominant reason for patients seeking fixed partial dentures.

Adolescent↗
PubMed2000

Irrigation rates and handpieces used in prosthodontic and operative dentistry: results of a survey of North American dental school teaching.

PURPOSE: A data baseline on dental cutting methodologies was established by means of a survey of North American dental school teaching. MATERIALS AND METHODS: Sixty-four North American dental schools were surveyed regarding their recommendations on handpiece usage and coolant flow rates in fixed prosthodontics and operative dentistry. RESULTS: High-speed handpieces were the instruments of choice for tooth preparation in fixed prosthodontics. In operative procedures, recommendations for sole use of the high-speed, the low-speed, or both handpiece types were more uniform. CONCLUSIONS: North American dental schools advocate greater use of high-speed than low-speed handpieces. Although the use of high-speed handpieces predominate in schools in Canada and Puerto Rico, there is a proportionately higher use of low-speed handpieces than in US dental schools. Few (approximately 1 in 5) schools made recommendations on coolant flow rates during cutting procedures.

Canada↗
PubMed1976

Prosthodontics in a general practice program of advanced dental education.

The problems involved in teaching prosthodontics in a general practice program outwardly appear to be due to the lack of sufficient basic prosthodontic training dispensed by the dental schools. This lack of sufficient training is not the fault of dental school faculties. The students are not learning what they are taught. What they need is more repetition, which means more time. The problems are not insurmountable. We just must find the route.

Education, Dental, Graduate↗
PubMed1976

Limitation of clinical practice to prosthodontics.

Limitation of practice implies specialization and the delivery of services by a specialist who has been recognized for his expertise through formal advanced education, experience, and/or examination. Prosthodontists in limited practice are currently influenced by problems related to patient referrals, third-party payment for services, and competence certification. Perhaps the most significant problem in prosthodontics today is the need to succinctly define the parameters of prosthodontic practice in order to provide guidelines for assuring that such practices are limited to the defined specialty.

Certification↗
PubMed1977

Nutrition analysis of prosthodontic patients.

A program of nutrition training has been included in the undergraduate curriculum of the University of Washington School of Dentistry. Data obtained indicated that involved patients were receptive and that many showed improvement in dietary habits. Nutritional analysis and counseling can be introduced into a private-practice environment with very little increase in the dentist's work time. Procedures have been suggested that are efficient and effective. It is recommended that nutritional analysis and counseling be used routinely on all prosthodontic patients. This training should be included in the dental school curriculum so that students can become competent and comfortable in its use. To meet this objective, in-service training programs for faculty members are required. Careful attention to systemic factors such as nutrition will allow dentists to provide an enhanced level of care for patients. Concern for the general health of patients must continue to be a necessary part of prosthodontic care.

Cooperative Behavior↗
PubMed1981

Avoiding cross-contamination in prosthodontics.

Reduction of the potential for cross-contamination in prosthodontics may be accomplished in the following ways: 1. Use surface covers such as clear plastic wraps or bags over instruments like face-bow, articulators, and torch handles. 2. Disinfect surfaces with chemical agents such as 1% iodine surgical scrub in 70% isopropyl alcohol in a ratio of 1:2 to 1:20. 3. Use unit-doses of petroleum jelly, impression materials, waxes, indelible pencils, etc. 4. Use mechanical sterilization to sterilize prosthodontic instruments as "set ups" not commonly thought compatible with the mechanical sterilization process (wood-handled knives, spatulas, Boley gauges, bite forks, impression trays, metal rulers, and acrylic resin burs). 5. Use chemical disinfectants such as Cidex, 2% glutaraldehyde; iodophor solution, 1% stock iodine diluted to 0.5% to 0.05% in 70% isopropyl alcohol; and 5.25% sodium hypochlorite diluted to 0.5% to 0.05% with tap water to disinfect removable partial denture frameworks, acrylic resin impression trays, immediate dentures, and mold and shade guide teeth. 6. Use a mask and latex disposable examination gloves during all patient contact. Efficient application of these recommendations will reduce the potential for disease transmission during the delivery of health care.

Communicable Disease Control↗
PubMed1983

The role of specialists and general practitioners in provision of prosthodontic services.

The national situation regarding prosthodontic services is being shaped by the following factors: There is an increasing number of people in the 60-, 70-, and 80-year-old age group. There is less dental caries, which has resulted in more teeth in the adult population. There is less gingivitis, but it is unclear whether this factor is significant. There is an ongoing debate about the continued prevalence and severity of periodontitis, but with more teeth and more older adults there appears to be a great potential for an increase in the total amount of advanced periodontal disease. There is somewhat less total edentulism. There is a substantial unmet need for complete dentures as well as fixed and removable partial dentures. In summary, the stage is set for an increased demand for prosthodontic services.

Adolescent↗
PubMed1989

Removable partial denture design and fabrication survey of the prosthodontic specialist.

In an effort to better understand and define the present standard of practice for removable partial denture design and fabrication, a questionnaire was prepared and distributed to prosthodontic specialists and graduate students or residents attending the American College of Prosthodontists annual meeting in 1987. The survey was designed to determine the philosophies and techniques used by prosthodontic specialists in treatment involving the removable partial denture. There were 195 questionnaires completed and used in determining the results. The results indicate areas of general agreement. Comparison with other data shows areas of controversy, but prosthodontists tend to follow techniques and philosophies similar to what is taught in most U.S. dental schools and what is recommended by the Academy of Denture Prosthetics.

Adult↗
PubMed1992

Applying business principles to a prosthodontic practice.

Determining the optimum fee for prosthodontic services is difficult. Most methods of determining fees are based on comparisons with other practitioners or with established fee schedules. However, comparisons alone are inadequate because they ignore the practitioner's underlying costs. Since it costs each individual practitioner different amounts to produce dentistry, dental fees should be highly individualized. This article presents a model for evaluating fees for prosthodontic services based on both underlying costs and intangible variables such as the dentist's skill, experience, and quality of care.

Costs and Cost Analysis↗
PubMed1992

The practice of complete denture prosthodontics by selected dental graduates.

Graduates of a dental school in the southeastern United States were surveyed for the procedures they used in practicing complete denture prosthodontics. Of the 530 graduates representing 15 graduating classes, 80% returned the questionnaires. Most respondents (94.8%) made complete dentures, but only 3.5% devoted more than 20% of their practice time to this phase of prosthodontics. In practice, the average graduate performed approximately one half of the techniques that had been judged academically to be clinically essential. Compliance decreased proportionately with the number of years in practice. Factors affecting compliance include the influence of peer practitioners and continuing education courses. The content of the predoctoral curriculum needs to be reviewed for its relevancy to continuing education and to dental practice.

Centric Relation↗
PubMed1994

Social and economic factors in prosthodontic practice and education.

Prosthodontics represents a highly developed body of knowledge and skill that spans multiple disciplines. Numerous studies can be cited that address biologic, mechanical, or materials science factors that influence decisions about patient care. On a daily basis as clinicians, teachers, or patients, we experience an interplay of social, economic, and psychologic conditions that similarly influence treatment decisions. This article explored a rationale for including a clear, explicit emphasis on knowledge and skill development for prosthodontic practice and education related to social, psychologic, and economic factors.

Age Factors↗