Abstract
The surgical procedure for the clinical crown lengthening, aims for an aesthetic or functional form to compensate for the reabsorption of the alveolar bone tissue caused by the invasion of the biological space. The conditions that must be taken into account during surgical planning are related to an excessive gingival exposure, altered passive eruption and lack of height of the dental element for restorative purposes. The objective of this systematic review was to evaluate in the scientific literature the minimally invasive surgical techniques used to clinical crown lengthening. A systematic review of the literature was performed using the databases, Science Direct, Embase, Cochrane Collaboration Library, and PubMed/MEDLINE. The search strategy provided a total of 157 studies. After selection, five articles met all the inclusion criteria and were included in this systematic review. Studies have shown that conventional surgical techniques for clinical crown lengthening are presented as an effective approach that promotes good aesthetic and functional results. However, they have some limitations. After evaluating the minimally invasive surgical techniques included in this systematic review, it was possible to infer that they presented satisfactory results in the soft and hard tissue contouring, with no complications and dissatisfaction being observed by the patients.
Highlights
IntroductionThe vitality of periodontal tissues is extremely important for dental elements with or without restorative treatment
The periodontium consists of structures that support and involve the dental element
The objective of this systematic review was to evaluate in the scientific literature the minimally invasive surgical techniques used to clinical crown lengthening
Summary
The vitality of periodontal tissues is extremely important for dental elements with or without restorative treatment. The surgical procedure for the clinical crown lengthening aims for an aesthetic or functional form to compensate for the resorption of the alveolar bone tissue caused by the invasion of the biological space. The conditions that must be taken into account during the surgical planning of the clinical crown lengthening are related to the presence of excessive gingival exposure, altered passive eruption (alveolar crest equal to or less than 2 mm of the cementum-enamel junction) and lack of height of the tooth for restorative purposes (Tomar et al, 2013; Ryder., Couch., & Chaffee, 2018; Lavu et al, 2019)
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