Publications by authors named "L Giachetti"

Article Synopsis
  • The study investigated how effective a whitening agent is on pigmented composite resin surfaces, specifically focusing on how deep the whitening effect penetrates the material.
  • Using a nano-filled composite resin stained with coffee, researchers applied a 10% carbamide peroxide whitening gel and measured color changes at various depths.
  • Results showed that the whitening agent effectively restored whiteness in the top 1.5 mm of the resin, achieving similar whiteness values to the control group in the outer 0.5 mm.
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Objective: Agenesis of the maxillary permanent lateral incisors is a condition that requires treatment aimed at improving the esthetics, even at an early age. However, traditional therapeutic protocols are long, invasive and have limitations and contraindications imposed by the age of the patient.

Clinical Considerations: Recent developments in restorative dentistry have provided a new approach to this clinical situation, in particular when the deciduous laterals are retained.

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Predictable results in the aesthetic treatment of anterior teeth can be obtained by resorting to the concept of dental aesthetics and, in particular, defining the ideal tooth dimensions and proportions to obtain a harmonious smile. Considering the great variety of articles dealing with the topic, and the lack of updated reviews, this narrative literature review aims to evaluate current knowledge on anterior teeth dimensions and to verify the existence and the potential applications of the anterior teeth proportioning theories (Golden Proportion, Golden Percentage, RED Proportion, and Golden Rectangle). PubMed, Embase, Cochrane Library, and Google Scholar databases were comprehensively searched using different keywords and term combinations.

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Composite resins are considered the material of choice for esthetic direct restorations, considering both their satisfying esthetic and mechanical properties. The success of composite resin restorations depends highly on their color stability. Discoloration causes color mismatch, consequent patient dissatisfaction, and eventually additional costs for correction/replacement of the restoration.

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Some clinical situations, such as the closure of pronounced diastemas, and the transformation of malformed, small, or peg-shaped teeth, require a rebalancing of dental proportions accompanied by a modification of the gingival contour. A traditional treatment plan can include surgical, prosthetic, and/or orthodontic treatments. In some cases, it can be considered too invasive, and not all patients are willing to undertake long therapies.

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