Resumen

ESCUDERO-CASTANO, N; GARCIA-GARCIA, V; BASCONES-LLUNDAIN, J  y  BASCONES-MARTINEZ, A. Crown lengthening, the need for a prosthetic retention, aesthetics and biological width: A review. Av Odontoestomatol [online]. 2007, vol.23, n.4, pp.171-180. ISSN 2340-3152.

Dental decay, wearing of dental surface, trauma, yatrogenic dentistry, discordant eruption, exostosis and tooth shape genetic variations can cause the decrease of the supracrestal remaining tissue, sparking off also a periodontal, restorative and aesthetic problems. There are different treatments to solve these problems that must be able to achieve the biological, restoratives and aesthetic requirements.

Palabras clave : Crown lengthening; biological width; crown-radicular proportion.

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