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Factors mediating against excellence in dental esthetics.

Factors mediating against excellence in dental esthetics have been classified and enumerated in this article. A formula for producing unesthetic prostheses can be hypothesized as follows: Educational de-emphasis + Lack of research + Technical orientation + Technical tradition + Delegation (abdication) + Poor economics + Fatique + Poor office design + Convention + Conditioning + Schemata leads to POOR DENTAL ESTHETICS. It is postulated that a formula for excellent dental esthetics can be produced by reversing these factors: Altered schemata + Deconditioning + Altered convention + Adequate office design + Elimination of fatique + Favorable economics + Personal participation + Research + Educational emphasis leads to ESTHETIC EXCELLENCE.

Denture Design

Conservative alternative to full esthetic crowns.

Several alternatives to full esthetic crowns have been presented. Preparation techniques and factors to be used in patient selection have been discussed for using all-metal esthetic retainers. Problems that arise from the indiscriminate use of full-coverage crowns must not be overlooked. Adjunctive esthetic retainers such as pinledges, three-quarter crowns, and inlays can be used to provide a functional, conservative alternative to full crowns while maintaining maximum esthetics.

Crowns

Twin resemblances in creativity and in esthetic and emotional expression.

Three sources of observation relevant to the measurement of individual differences in emotional and esthetic expressiveness were employed to study their heritability by application to a sample of some 60 pairs of young adult like-sexed twins, approximately evenly divided between male and female and MZ and DZ pairs. The sources of observation were objective test performances, trait ascription using a standard list of adjectives, and videotaped enactments of mood and esthetic performances. Perceptual and esthetic abilities do appear to have substantial heritability, although esthetic preferences do not. Heritability is also indicated for such adjectives as artistic, inventive, original, and independent. Ratings of the videotape performances yielded somewhat ambiguous results, due to the presence of a marked halo effect; the most likely interpretation congruent with earlier results is that greater MZ twin resemblances in social extroversion generated greater resemblances in the videotape situation on such other trait-rating variables as creativity, naturalness, and dominance.

Adolescent

[The civil responsibility of the plastic surgeon in esthetic procedures].

The authors discuss the professional liability of plastic surgeon for the results of esthetic procedures. In their opinion, plastic surgery was artificially divided in reconstructive and esthetic one. Legal decisions have also separated them and the success of results in esthetic procedures have been considered to be obligatory by the courts. The authors believe that in all cases of plastic surgery including esthetic operations the surgeon should use the adequate ways to achieve the best possible results that represent the average for the cultural and ethnic group in question.

Brazil

Effectiveness of high-power laser use in the removal of esthetic restorations: a systematic review.

This systematic review aimed to evaluate the effectiveness of high-power lasers in the removal of esthetic restorations compared with conventional methods. The review was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) and registered in PROSPERO (registration number: CRD420251055736). A comprehensive electronic search was performed in MEDLINE, Scopus, Embase, Web of Science, and the Cochrane Library. Study selection, data extraction, and methodological quality assessment were independently performed by four reviewers using QUIN tool for in vitro studies. A total of 2.384 records were identified, of which 19 in vitro studies conducted on extracted human permanent teeth met the eligibility criteria and were included in the qualitative synthesis. The included studies evaluated different high-power laser systems, predominantly Er: YAG and Er, Cr: YSGG lasers, as well as CO₂ lasers. Five studies were classified as high quality, whereas the remaining fourteen studies were classified as moderate quality. Available laboratory evidence suggests that laser-assisted techniques may represent a potential alternative approach for removing esthetic restorations, with advantages including conservative tissue removal, reduced damage to underlying tooth structures, and intrapulpal temperature increases within acceptable limits. The Er: YAG laser was the most frequently investigated system, with power settings ranging from 1.5 to 5.9 W, showing particularly favorable laboratorial performance in the removal of lithium disilicate restorations, especially in thinner substrates. Within the limitations of the available evidence, high-power lasers appear to be a promising and minimally invasive alternative to conventional methods for the removal of esthetic restorations. However, the predominance of in vitro studies highlights the need for well-designed clinical trials to confirm these findings and support their clinical application.

Humans

Denture esthetics is more than tooth selection.

The selection of the proper mold and shade of denture teeth is but one part of denture esthetics. Compensating for lost alveolar bone, correctly positioning anterior teeth for lip support, and reestablishing the correct vertical dimension of occlusion, in combination with proper tooth selection, creates good denture esthetics. Proper contour and normal physiologic movement of the muscles enhances an esthetic denture, whereas improper support can severely detract from it. Even though denture construction requires a step-by-step progression, these steps cannot be isolated but rather must be integrated to produce an optimal result.

Aging

Dental esthetics and the golden proportion.

A system of esthetic predictions is described that has been used since antiquity. The naturalness of the system is emphasized by showing examples from nature and how artists and designers use it. The application of this system to dental esthetics is facilitated by the description and inclusion of a dental grid for the anterior esthetic segment.

Bicuspid

Esthetic blepharoplasty.

Esthetic blepharoplasty is the operation designed to correct excess skin and/or pseudoherniation of fat in the eyelids. These eyelid changes give the pateint a tired look and make him or her look (prematurely) old. The indications and contraindications for the procedure are reviewed. The possibilites and the limitations of the operation must be thoroughly discussed with the patient preoperatively. A psychological evaluation of the patient must be carried out by the surgeon in order to discard unsuitable candidates for the operation. The esthetic blepharoplasty is performed under local anesthesia, completed by intravenous sedation. The operative technique is outlined and consists of judicious skin excisions and resection of fat from the differenct orbital compartments. Atraumatic technique is of utmost importance. Complications are rare in experienced hands but are almost unavoidable in inexperienced hands. Ectropion of the lower eyelid is the most common complication. The cause, prevention and treatment of possible complications are discussed. If carried out properly in a well selected patient by a competent plastic surgeon, the esthetic blepharoplasty gives very satisfying results.

Anesthesia, Local

Advances in surgery of the tip: intact rim cartilage techniques and the tip-columella-lip esthetic complex.

There is no one technique best for all noses. The sensitive, versatile, and experienced cosmetic surgeon should select from his choices the combination of modalities best tailored to the needs of each patient. Among these modalities should be cartilaginous septal transfixion combined with the three techniques for changing the quantity and shape of the tip cartilages. The most important factor in choosing from the three tip techniques is the decision as to where the rotation points and major thrusts should be. Then come the choices as to tip width and infratip lobule length and the fine points of cartilage incision levels and directions and cartilage excisions or morselization. The decision to detach or not detach the septal strut below the cartilaginous septal transfixion incision is predicated mainly on tip-columella-lip esthetic complex requirements. Proper selection of these methods and attention to the tip-columella-lip esthetic complex should allow the surgeon to construct pleasing, relatively natural looking profiles with fewer radical hump removals and nostril base resections and with rare complications from nostril notching or collapse. No magic is involved in rhinoplasty; the surgeon's incision, removals, and additions, plus scar formation and contraction, produce the results.

Cartilage

Esthetic factors in removable partial prosthodontics.

For the patient, the appearance of the finished restoration is of paramount importance. To avoid an esthetic failure, the dentist should pay attention to those various components of removable partial dentures which play a role in esthetics.

Acrylic Resins

A systematic approach to the control of esthetic form.

A systematic, orderly approach to the problem of establishing harmonious phonetics, esthetics, and function in fixed restorations has been described. The system requires an initial investment of time in performing an adequate diagnostic waxing, but recoups that time in many clinical and laboratory procedures. The method has proved a valuable asset in fixed prosthodontic care. The technique can be expanded and combined with other techniques with a little imagination and artistic bent.

Denture Design

The maxillary cuspid and missing lateral incisors: esthetics and occlusion.

When maxillary cuspids are moved mesially or if they are absent, it may be safe to assume: 1. There is no apparent change in facial contour. 2. The first premolar can serve as an adequate substitute for the cuspid, both functionally and esthetically. 3. If all spaces are closed, occlusal equilibration will usually be necessary to effect acceptable posterior occlusion. Mesiodistal contouring of the cuspids probably accentuates the problem since it seems to exaggerate any tooth size discrepancy which may exist between maxillary and mandibular teeth. 4. Unilateral space closure displays functional deficiencies more frequently on the side of closure. 5. Varying degrees of shade imbalance between the cuspid and central incisor can be expected, and the degree of contrast can be accurately predicted by using the mandibular cuspid as a guide. This is particularly important when the maxillary canines are impacted or unerupted.

Adolescent

Factors influencing patient satisfaction with the results of esthetic plastic surgery.

The Wise pattern is a convenient tool for marking the outlines of the areola recipient site, and for marking the lower skin flaps of the "skin brassiere" in most of the currently used operations for mammary hypertrophy and ptosis. We find it useful, at times, to draw the pattern outline before making a final decision on which procedure to do. Rather than limiting the surgeon's judgement, these preoperative marks leave a wide spectrum of options open to meet the esthetic requirements, while keeping the basic landmarks properly located.

Attitude

Edentulous area tissue graft correction of an esthetic defect. A case report.

A patient was left with a severe defect following the extraction of the right maxillary lateral and central incisors. A graft of epithelial and connective tissue was taken from the maxillary tuberosity and placed into the defect. This resulted in the filling of the defect and the correction of the esthetic problem.

Adult

Paradoxical complementarity in the esthetic preferences of the cerebral hemispheres: an exploratory study.

Significant differences in the consistency of intrahemispheric and interhemispheric preferences indicate reliable differences in the esthetic choices associated with each hemisphere. Given an initial like or dislike of stimuli by the hemisphere first activated, the other hemisphere will exhibit preferences in the opposite direction. This suggests a process of paradoxical complementarity between the hemispheres in which the preferences of the hemispheres are antithetical but not fixed.

Adult

Esthetic arch bar for maxillomandibular fixation in orthognathic surgery.

Arch bars are well-known dental appliances for the management of fractures and orthognathic surgery. Traditionally both the commercially available, prefabricated arch bars as well as the custom-made arch bars are made of metal so as to provide good rigidity. Each of these types of arch bars has its own advantages as well as drawbacks. This article looks at a type of custom-made arch bar that is easy to construct and use. At the same time, it provides good rigidity, fit, and esthetics.

Acrylic Resins

The esthetics of hair transplantation.

There are many potential candidates, and greater attention to esthetic considerations has accelerated the interest in the hair transplantation field. Although discriminatory selection is essential, there are few interested patients who could not benefit from this procedure. Successful hair transplantation and patient satisfaction depend on the physician's skillful sustained concentration on the frontal hairline, tenacious motivation of the patient to seek a sufficient number of transplants, and the choice of a pleasing hair style with utilization of recommended grooming aids.

Alopecia