Orthodontic therapy is not always able to completely meet all osmetic and functional requirements. In such cases, better results are achieved by an interdisciplinary approach, to the satisfaction of both the patient and the therapist. Presentation is made of three patients differing according to their dentofacial anomalies, age and sex, in whom professionally stated socmetic and functional requirements could not have been fully met by orthodontic therapy alone, without the aid of cosmetic dentistry. Although prosthetic treatment (e.g., cosmetic ceramic crown) could have been chosen in all three cases, it was decided to perform dental crown reconstruction with composite material (coronoplasty), which produced satisfactory results. Case 1: In a 19-year-old girl, discoloration and size variation of the upper central incisor, caused by endodontic therapy and inappropriate composite filling, remained upon completion of the orthodontic treatment for prognathism, presenting as a cosmetic defect. Satisfactory results were obtained by dental crown reconstruction with composite material. Case 2: An 18-year-old girl with a diagnosis of upper lateral incisor hypodontia on the right and rudimentary form of its counterpart underwent orthodontic treatment with rudimentary tooth extraction on the left an space closure by canine mesialization to the site of the upper leteral incisor bilaterally. As corrective canine regrinding to an incisor failed to produce satisfactory results, coronoplasty was performed. Case 3: A 20-year-old man with a diagnosis of overbite and disproportial crown width of mandibular and maxillary front teeth undeerwent orthodontic treatment, which resulted in residual diastema between the upper front teeth due to the smaller size of the upper relative to lower incisors. Dental crown reconstruction with composite material was performed in all four upper incisors. The cosmetic component has become a major factor in the psyhology of good appearance,especially in the young, and one of the main tasks of orthodontics and cosmetic reconstructive dentistry. The filling materials currently used on dental crown reconstruction, in cases such as those described , have allowed for excellent results to be achieved in both cosmetic and functional terms.
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