Frenum is a fold of mucus membrane enclosing the muscle fibres. It attaches the lips and cheeks to the alveolar mucosa and/or gingiva and underlying periosteum. The aberrancy in the frenal attachments pose problems with esthetics and periodontal health. Frenectomy is the procedure done to correct such aberrancies in frenal attachments. Various techniques have been proposed to do frenectomy. Yet the correct time to do frenectomy has not been clearly defined. This review will help to enlighten its readers with few opinions about the time of performing frenectomy surgeries