Periodontal disease has a multifactorial nature, is infectious and can be influenced by hosts, genetic, hormonal, and nutritional factors. It has an inflammatory and progressive profile, characterized by the occurrence of oxidative stress. Ascorbic acid is an important antioxidant, and its deficit can impair tissue formation and periodontal tissue healing. The aim of this study is to evaluate the effect of ascorbic acid on the prognosis of periodontitis through clinical trials that relate both themes. The present study consists of a narrative review of the literature, based on scientific articles in English, Spanish and Portuguese. The consultations were carried out in the Lilacs, MEDLINE and Scielo databases. As for the descriptors, the following keywords were used in Portuguese and English: Scurvy (Scurvy) and Periodontitis (Periodontitis). The terms were taken from the Descriptors in Health Sciences (DeCS) and were used as inclusion criteria: publications with full text, published between the period 1990 to 2021. A total of 1,208 were found in the MEDLINE, Lilacs and Scielo databases. articles. Among these, 27 studies were selected according to the inclusion criteria. In cases of ascorbic acid malnutrition and periodontal disease, a positive glimpse was obtained in the literature of the relevance about ascorbic acid malnutrition and its influence multidisciplinary interventions between physicians, dentists, and nutritionists is essential for on oral health and treatment.