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At least 595 records · Page 33Linked to original sources
PubMed1990

[Resins for esthetic veneering of fixed dentures. 3. Simultaneous analysis of dimensional change variables and weight change as a function of materials, storage condition and time].

The authors analysed the simultaneous effects of the dimensional and weight alteration of resins utilized for esthetic facets submitted to warehousing conditions and periods of time. The resins showed different behaviour and a neat correlation between dimensional alteration and weight. The condition of immersion promoted dimensional alteration 50% lower and an alteration of weight three times higher.

Acrylic Resins↗
PubMed1990

[Investigation of the effect of functional treatment in skeletal Class III cases on the profile facial esthetics].

In this study, effects of chin-cap therapy on profile facial esthetics were investigated. 30 patients indicating skeletal and dental Cl III anomalies were divided into two groups. The first group, including 21 patients with the average age of 11 was treated by chin-cap therapy, average treatment time being 0.7 years. This group involved 10 females and 11 males. The second group involved 9 persons, 5 females and 4 males, with the average age of 9.7, average control period being 2 years. The investigation was carried out on the 60 lateral cephalometric films taken from both groups. 2 angular and 9 soft tissue cephalometric measurements were made on each film. The comparisons between the groups indicated that the treatment affected the soft tissue measurements positively.

Activator Appliances↗
PubMed1990

[Esthetics and removable partial dentures: a contradiction?].

Although modern developments in dentistry constrict the indication of removable partial dentures, there is still a number of situations in which a partial denture may contribute to the re-establishment of function, esthetics included. Thereto it is a necessity that all parts of the construction are carefully designed, with special attention for color and form. Choice of the artificial teeth (material), the handling of the acrylic and an adequate anchoring are all important factors in reaching an optimal result.

Acrylic Resins↗
PubMedDate not supplied

[Esthetics in metal-ceramics].

A rational and simple esthetical guideline is presented; In order to obtain this aim, seven steps are suggested.

Ceramics↗
PubMed1990

Predicting esthetics of laminate veneers without tooth preparation.

High expectations may contribute to stress in the patient and dentist during dental treatment. Esthetic and restorative results can be predicted for laminate veneers by using a powder blower and a liquid dispenser preoperatively to form self-cured resin veneers. Trial veneers are formed in a precision "salt and pepper" technique that conserves materials and time. The trial veneers are placed, without tooth preparation, on the treatment site so that the patient can preview the planned treatment and so that the dentist can explain proposed treatment in a reversible procedure. This may circumvent misunderstandings between dentist and patient and allow the consideration of alternate treatment plans.

Acrylic Resins↗
PubMed1989

Esthetic corrections in cases of orthognathic surgery.

When orthognathic surgery is performed to produce functional improvement of the maxillomandibular complex, additional esthetic corrections to harmonize facial proportions are often necessary as well as desired by the patient. Simultaneous profile corrections occur with orthognathic surgery, but rhinoplasty requires a second intubation after the correction of the maxillomandibular complex. In the case of an asymmetric facial deformity, a two-stage procedure is recommended because positioning of the soft tissues is more easily planned after the jaws have healed and are functioning in their new positions. Several examples of soft tissue changes and their respective orthognathic procedures are described.

Adolescent↗
PubMed1989

The smile line as a guide to anterior esthetics.

A sound, effective, and forthright method has been presented to maximize the esthetic quotient of the dental composition. This rationale will also assist in helping the dentist to achieve the establishment of a physiologically sound vertical dimension.

Adolescent↗
PubMed1989

[Esthetics in periodontal surgery: description and discussion of an incision and suture technic].

One of the main aspects from a patient's standpoint regarding periodontal therapy is esthetics; the clinician who wants to control the disease by pocket elimination may underestimate this fact. This article describes a conservative surgical approach and a type of modified vertical mattress suture which allows repositioning of soft tissues to a preoperative level. A discussion follows on how such a conservative approach respects the philosophy of modern periodontal therapy.

Epithelial Attachment↗
PubMed1988

Appliance selection. Treatment objectives and esthetic concerns.

The adaptability of modern orthodontic appliances to meet the esthetic needs of the adult patient while satisfying the treatment goals agreed upon has been shown. Some of the treatments cited could be accomplished by the general practitioner, while other modalities should be handled by the orthodontist. The outstanding advances in orthognathic surgical technique provide the patient with additional options for orthodontic corrections of malocclusions while reducing the time needed to wear braces. Proper planning and interaction among the dental disciplines can greatly enhance a patient's final outcome. It behooves all clinicians to look at all the options available in treating the adult so these patients can benefit most from our services.

Adult↗
PubMed1987

[Current remarks on functional esthetic rhinosurgery].

We report over 600 functional esthetic rhinoplasties carried out between 1980 and 1986 and discuss the following points: the indications for profilplasty, intra-operative selection of the implant (autologous, ceramic), extra-nasal technic and injections of collagen to correct irregularities of the nasal dorsum.

Airway Obstruction↗
PubMed1985

Double layer effect and other optical phenomena related to esthetics.

A number of optical phenomena have been applied to an understanding of the appearance of dental porcelain restorations. Chromatic adaptation by observers has been identified as a major source of error in taking shades under artificial light. The measurement of tooth color by means of an instrument appears to be a long range solution, but is not yet practical. Surface gloss interferes with the correct identification of tooth and porcelain color due to specular reflection. Diffuse illumination is recommended for color matching. The color of teeth and porcelain crowns is determined by the "double layer effect." This means that the apparent color is the result of diffuse reflectance from the inner dentin or opaque porcelain layer through the outer translucent layer. Therefore, changes in the translucency of dental enamel due to illumination or desiccation alters the overall color of the tooth. Chromatic adaptation, translucency changes, and the double layer effect appear to be the major effects rather than metamerism. An understanding of these effects is needed to improve the esthetics of dental restorations.

Color↗
PubMed1995

Esthetic periodontics.

Periodontal therapy has developed beyond the scope of the treatment of periodontal pathoses. Periodontal plastic surgery has evolved beyond the techniques of mucogingival surgery and now consists of the regenerative and reconstructive procedures designed to enhance esthetics. This article briefly reviews the historical development of root coverage, ridge augmentation, and papilla preservation and provides an update of the current pertinent literature.

Alveolar Ridge Augmentation↗
PubMed1995

[Functional and esthetic assessment of donor site defects following transfer of the gracilis muscle].

In order to determine donor-site morbidity after elevation of the gracilis flap, 53 patients from four different departments were examined. The patients filled out a questionnaire about their complaints. 36 patients underwent dynamometric measurements. The adduction strength of the hip-joint was decreased by 11% after elevation of the gracilis muscle. This decrease in strength was not noticed by the patients. 53% of the patients complained about hypesthesia or dysesthesia corresponding to the cutaneous territory of the obturator nerve. The contour of the thigh was adversely affected after elevation of a musculocutaneous flap. The gracilis flap has a low but definite donor-site morbidity, especially concerning the esthetic aspect.

Adult↗
PubMed1994

[Esthetic suture of the lower limbs after a saphenous vein graft in cardiac surgery. Polydioxanone vs Vicryl].

The vena saphena magna is widely used as a passage during myocardial revascularisation surgery (CABG). The preparation of the vein involves a long incision on the thigh and leg which is routinely closed using a continuous suture thread in Vicryl of the subcutis and continuous intradermal suture of the cutis. The authors retrospectively evaluated the functional and esthetic results of intradermal suture performed using two different types of reabsorbable thread: PDS II and Vicryl. A total of 178 patients underwent CABG surgery at the Heart Surgery Division of Tor Vergata University of Rome during the period January-September 1992. Mean age was 63 year +/- 7 (SD), 140 were males and 38 females. PDS II 3/0 was used for intradermal suture in 88 patients, whereas Vicryl 3/0 was used in 90. There were no significant differences between the two groups with regard to age, sex, number of grafts, associated pathologies or wound length. After 1-9 months (mean 5.6 months) the surgical wound on the saphenectomized limb was evaluated. It was found that compared to Vicryl the use of PDS II presented a higher incidence of keloids (p > 0.05). This was probably due to the greater reaction provoked in the dermis by the monofilament compared to twisted thread. The authors conclude that the use of a reabsorbable twisted thread, such as Vicryl or Vicryl Rapid, is preferable owing to the higher rate of compliance and lower incidence of complications.

Aged↗
PubMed1994

Principles of esthetics.

Attaining the highest clinical level of cosmetic dentistry necessitates the development of artistic talents. Although some historical discussion is found in the literature, little has been written on the marriage of artistic theory and clinical illusions. An understanding of this relationship allows the clinician to design a smile or modify a flawed display artistically so that the patient may perceive it as more attractive. I introduced to the literature a framework for understanding artistic principles as they relate to clinical cosmetic dentistry, ie, shaping teeth and creating illusions (Singer, In Esthetic Dentistry: A Clinical Approach to Techniques and Materials. Lea & Febiger; 1993:5-13). The concepts of cultural and artistic perceptual biases and the law of the face are explained and illustrated. To enhance their further understanding, clinicians are encouraged to study related fields of beauty enhancement.

Esthetics, Dental↗