Introduction: Dental alterations often have esthetic and functional repercussions for patients and can have important psychosocial consequences.

Objective: The aim of this study was to analyze the literature on the most commonly diagnosed dental disorders in pediatric dentistry, which can be classified according to their shape, size, number, structure and position.

Methodology: A general search of the data was carried out in various databases related to this subject, including PubMed, the following Boolean operators were used: shape, size, number, position, structure, treatments AND dental.

Results: Dental anomalies affect the quality of life of patients. Shape anomalies will have more susceptibility to caries due to the extra grooves they present and the challenge in hygiene. Size anomalies cause malocclusions mainly, and are related to the presence of syndromes or systemic diseases. The anomalies of number are genetic in nature, with Mesiodens being the most reported supernumerary. In terms of structure, amelogenesis and dentin genesis imperfect a are reported to be of genetic etiology, affecting the function, sensitivity and esthetics of patients. Position alterations are mostly hereditary in nature, and other alterations of local eruption or products of trauma.

Conclusion: Dental anomalies can significantly affect the patient's quality of life both in function and esthetics, hence the importance of timely diagnosis and treatment for the or facial benefit of the patient.