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    • Rösing, Cassiano Kuchenbecker; Gomes, Sabrina Carvalho; Carvajal Pavez, Paola; Gómez, Mariel; Costa, Ricardo; Toledo, Andrés; Solanes, Fernando; Romanelli, Hugo; Gamonal Aravena, Jorge Antonio; Oppermann, Rui Vicente (NLM (Medline), 2019)
      The aim of this study was to investigate the impact of smoking on gingival inflammation in a representative sample of 1,650 adults from Santiago (Chile), Porto Alegre (Brazil), and Tucumán (Argentina). A questionnaire ...