Sleep bruxism (SB) is an oral parafunction characterized by grinding or clenching the teeth during sleep.

Objective: To analyze the most recent literature about sleep bruxism in children, about its diagnosis, signs, and symptoms, as well as its relationship with anxiety, stress, behavior problems and its treatment.

Methodology: Articles on sleep bruxism in children were analyzed in the PubMed, ScienceDirect and Google academic databases with an emphasis on the last 5 years. It was carried out with the words "Sleep bruxism in children", "diagnosis", "symptoms", "treatment" and "stress".

Results: Polysomnography has been found to be the effective diagnostic test method for SB in children, in addition, a report by the parents and a correct anamnesis are required to obtain the final diagnosis. The most prevalent signs and symptoms are dental wear and headaches, related to anxiety, stress and behavior problems, due mainly to the presence of habits and emotional changes during childhood, which alter sleep and develop bruxism. The treatment is not yet well established, recent studies have shown the efficacy of the use of homeopathic therapy as an alternative treatment, as well as orthodontic, psychological and physiotherapy interventions.

Conclusion: SB can affect the general health, growth, and quality of life of the child, therefore it is very important to know the diagnosis, signs, and symptoms, as well as the treatment alternatives.