Method of Dental Selection and Smile Determination Based on Teeth Size, Shape, Alignment and Arrangement The present invention belongs to the technology sector of dentistry, and relates more specifically to a new method of teeth selection based on size, shape and teeth arrangement to be used in oral rehabilitation of any kind. The method proposed in the present invention presents dental selection processes in the mouth, taking into consideration the dentofacial harmony, active and dynamic participation of the patients and simulation of the final results. The method consists of the following steps (i) size determination, regardless of the facial guides or markers that have so far limited results when working with available space, through orthodontic tooth movement or in a case of facets, to avoid exaggerated tooth wear; (ii) tooth shape determination regardless of face shape, arch shape or any other guide other than the desired end result and smile customization through (iii) alignment by three-dimensional positioning and (iv) dental arrangement by manipulation of teeth Individual axial inclinations of teeth in smile. having as particular characteristics (v) dental selection in the mouth, taking into consideration the dentofacial harmony; (vi) active and dynamic participation of patients and (vii) simulation of final results.método de seleção dentária e determinação do sorriso baseado no tamanho, forma, alinhamento e arranjo dos dentes a presente invenção pertence ao setor tecnológico da odontologia, e se refere, mais especificamente, a um novo método de seleção de dentes baseado no tamanho, forma e arranjo dos dentes a ser utilizado em reabilitações orais de qualquer natureza. o método proposto na presente invenção apresenta processos de seleção dentária em boca, levando em consideração a harmonia dentofacial, participação ativa e dinâmica dos pacientes e simulação dos resultados finais. o método é composto das seguintes etapas (i) determinação do tamanho, independe