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[Esthetic restoration of the posterior sector. State of the art].

Patient's aesthetic requirements have increased in the past few years. The limited resistance of composites to wear has delayed their universal adoption for restoration of Class I and II cavity preparations in adult teeth. Although the potential use for posterior composite resin appears promising, the point at which such materials may be regarded as ideal, reliable, routine alternatives to silver amalgam has not been reached for materials of previous generation. To resolve some of the problems associated with the posterior composite resin, new materials (photo-cured GIC, multi step bonding agent, improved composite resins as P-50, Heliomolar Radiopaque, Ray Post) and new techniques have been introduced. In this paper the problems and questions raised with the use of posterior composites have been discussed.

Adhesives↗
PubMed1989

[Postoperative xeroradiography in esthetic rhinoplasty. Comparison of tissue reactions].

The cephaloxerogram has been a very useful exam before rhinoplasty since 1975. The comparison with post-operative cephaloxerograms performed on 72 rhinoplasties between. 10 and 23 months, was performed to investigate the soft-tissue response following rhinoplasty. The soft-tissue response was studied in seven different zones. This study shows how the soft tissue alteration is very different from one zone to one another. It is possible to conclude that the study of the importance of the soft tissue response is difficult; but necessary to obtain the most exact super imposed profile before and after operation. The soft tissue alteration is particularly hypertrophic in relation to the upper cartilage zone and supratic area, where the musculo-aponeurotic system (nasal SMAS) is very important. Preservation of this system, during undermining of the nasal soft tissue, may be an important step to reduce the hypertrophic response at this level.

Connective Tissue↗
PubMed1989

[Esthetic surgery of large nasal tips. Contribution of the "flying wing" procedure].

The "flying wing" procedure has been known for a long time. It is classically used in the treatment of moderately severe saddle nose. The author proposes the use of this technique for the aesthetic correction of certain flattened nasal tips. Technically, the original procedure is modified by: a transcartilaginous rather than marginal approach, partial rather than total transfer of the lateral crus to preserve the alar ring, resection as required at the junction of the two crura to allow transposition without deformation of the nostril aperture, the possible association with suture-approximation of the domes in order to accentuate the projection of the nasal tip. This procedure may be indicated in secondary, dysmorphic or simply unsightly fattened tips whenever the preoperative assessment reveals a low profile of the nasal spine with osteocartilaginous disjunction, even minor, associated with flattening of the tip, simultaneously resulting in: the need for reinclusion for harmonization of the profile and the need to shorten elevate and reduce the tip. Application of this technique to a limited series (11 cases) does not eliminate any other procedures, particularly reinclusions; the principle of the "flying wing" adapted in this way and respecting the continuity of the two arches of the alar cartilage, is nevertheless attractive.

Esthetics↗