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At least 451 records · Page 25Linked to original sources
PubMed2002

The importance of the seated condylar position in orthodontic correction.

It has been proposed that the discrepancy between the seated and unseated condylar position be identified and eliminated when the occlusion is reorganized. Identification of this discrepancy is most accurately accomplished through the use of diagnostic casts that have been taken from a deprogrammed patient and mounted in the seated condylar position on a semiadjustable articulator through an estimated facebow transfer. The amount and direction of any discrepancy is determined three dimensionally with condylar position instrumentation.

Adult↗
PubMedDate not supplied

Avoiding failures during insertion of all-ceramic restorations.

The seating, cementing, and finishing of all-ceramic restorations can be a very demanding operation. All steps must be accomplished well in order to produce a clinically acceptable result. Successful placement of all-ceramic restorations can result in an immediate reward for both the patient and the operator; however, only with very careful consideration of occlusion, laboratory work, and chairside seating and finishing can a successful long-term result be realized.

Cementation↗
PubMed2002

Predictors of norwegian adult patients' perceived need for replacement of teeth at the time of extraction.

OBJECTIVE: To report on adult patients' perceived need for replacement of teeth at the time of extraction and to study predictors of their perceived need for treatment. DESIGN: Cross-sectional postal questionnaire survey. PARTICIPANTS: A systematic random sample of 1,500 Norwegian general dental practitioners. The response rate was 67% after two reminders and 75% of their patients responded. After exclusions, the final sample consisted of 438 patients (16-92 years old), who had had 599 permanent teeth extracted by 248 dentists over a period of two weeks. RESULTS: The median number of remaining teeth was 23 (range: 0-31). The patients' wish for a replacement of the extracted tooth was coded as necessary (47%) and unnecessary (53%). Factor analysis (varimax rotation) was used to create two unidimensional variables, measuring the attitude to the importance of dental appearance and dental function. Logistic regression analysis showed that, compared to molars, the odds ratio for wishing a replacement for an incisor or canine was 13.7 (95% CI 5.6, 33.3) and for a premolar 4.1 (95% CI 2.4, 7.1). The likelihood of patients wanting a replacement when >1 tooth was extracted, or they did not believe that they would keep their teeth for life, was 2.5 (95% CI 1.2, 4.4) and 1.7 (95% CI 1.1, 2.8), respectively. Demographic characteristics and attitude to appearance and function had no significant effect on the patients' wish. CONCLUSIONS The most important predictors of patients' wish for a replacement were tooth type, number of teeth extracted and not believing in keeping their teeth for life.

Adolescent↗
PubMed2002

Clinical evolution of the Invisalign appliance.

The Invisalign System of tooth movement has been available to orthodontists since 1999 and has now become available to the entire dental profession. This paper explores the role of this system within the dental armamentarium and describes the clinical evolution of the appliance, based on a feasibility study initiated at the University of the Pacific in 1997.

Adolescent↗
PubMed2000

Vertical facial pattern and orthodontic stability. Part II: Facial axis changes and stability.

Lateral cephalograms and study casts of 55 patients were evaluated to determine if any relationships exist between Facial Axis changes occurring during and after active treatment and either the pretreatment Jarabak Facial Height Quotient or the amount of post-treatment occlusal change, as measured with a weighted PAR score. No significant relationships could be found. There was instead a wide range of individual variation in the post-treatment behaviour of both the Facial Axis and the weighted PAR score, in both the total sample and three Jarabak Facial Height subgroups. Long-term Facial Axis changes occurring in individual patients, however, were not necessarily associated with occlusal deterioration. Since the Facial Axis is likely to change to some extent in the long-term, it was suggested that widely recommended methods for Facial Axis control during treatment should be considered primarily for functional and aesthetic reasons, rather than on the basis of directly ensuring long-term occlusal stability.

Adolescent↗