Correction of deep bite in adults using the Invisalign system

[No abstract available

Pseudo-Class III malocclusion treatment with Balters' Bionator.

The aim of this article is to show the use of the Balters' Bionator in pseudo-Class III treatment. The importance of differentiating between true Class III and pseudo-Class III is emphasized. The therapeutic results of a Balters' Bionator appliance are presented in three case reports of subjects in the mixed dentition. In this stage of development it is possible to correct an isolated problem. The use of the Bionator III in this kind of malocclusion enabled the correction of a dental malocclusion in a few months and therapeutic stability of a mesially-positioned mandible encouraging favourable skeletal growth

Treatment of ectopic maxillary canines using a palatal implant for anchorage

[No abstract available

Physical and chemical mechanisms involved in adhesion of orthodontic bonding composites: in vitro evaluations

BackgroundBond strength of orthodontic composite is strongly influenced by molecular and structural mechanisms. Aim of this in vitro study was to compare bond strength of light-cure orthodontic composites by measuring debonding forces and evaluating locations of bond failure. Investigations on chemical compositions clarified adhesive behaviors and abilities, exploring effects of ageing processes in this junction materials.MethodsTwelve enamel discs, from human premolars, were randomly coupled to one orthodontic adhesive system (Transbond XT (TM) 3 M UNITEK, USA, Light-Cure Orthodontic Paste, LEONE, Italy and Bisco Ortho Bracket Paste LC, BISCO, Illinois) and underwent to Shear Bond Strength test. Metallic brackets were bonded to twenty-seven human premolar, with one of the adhesive systems, to quantify, at FE-SEM magnifications, after debonding, the residual material on enamel and bracket base surfaces. Raman Spectroscopy analysis was performed on eight discs of each composites to investigate on chemical compositions, before and after accelerated aging procedures in human saliva and sugary drink.ResultsOrthodontic adhesive systems showed similar strength of adhesion to enamel. The breakage of adhesive-adherent bond occurs in TXT at enamel-adhesive interface while in Bisco and Leone at adhesive-bracket interface. Accelerated in vitro aging demonstrated good physical-chemical stability for all composites, Bisco only, was weakly contaminated with respect to the other materials.ConclusionA similar, clinically adequate and acceptable bond strength to enamel for debonding maneuvers was recorded in all orthodontic adhesive systems under examination. No significant chemical alterations are recorded, even in highly critical situations, not altering the initial mechanical properties of materials

Invisalign technique in the treatment of adults with pre-restorative concerns.

The Invisalign method is gaining an increasing interest as an alternative treatment option in adult patient in multidisciplinary complex cases to simplify the treatment plan. The aim of this work is to show the importance of planning a multidisciplinary approach to respond at the esthetic requests of adult patients and to treat complex cases with high predictability

Unilateral canine crossbite correction in adults using the Invisalign method: A case report

The aim of this paper is to present and debate the treatment of a unilateral canine crossbite using clear aligners (Invisalign). The possibility of combining partial fixed appliances with removable elastics to optimize the final outcome is also described. The advantages of protected movement, due to the presence of the aligners, to jump the occlusion during crossbite correction is also highlighted

Maxillary tooth splinting in periodontally compromised patients using fiber-reinforced composite: the Targis-Vectris method

AIM: To show the Targis-Vectris retention technique, illustrating its features and clinical applications in periodontally compromised patients. METHODS: The Targis-Vectris technique is constituted by an esthetic external layer (Targis) combined with and supported by a metal-free structure (Vectris). An adult female with a full Class II malocclusion and compromised periodontal condition with significant bone loss on the maxillary central incisor was treated. Before debonding, a fiber-reinforced splint was placed on the palatal surface of the maxillary anterior teeth, using the Targis-Vectris method, to permit long-term stability. The final result remained stable at 5 years posttreatment. RESULTS: The correction of the Class II malocclusion took 24 months. The Targis-Vectris method ensured maintenance of tooth position and periodontal condition. CONCLUSION: The Targis-Vectris technique represents a useful procedure for splinting maxillary teeth in selected periodontally compromised patients. The 5-year posttreatment follow-up visit showed no relapse. Correct occlusal relationships are necessary to reduce the risk of breakage