Work out denture replacement interval instantly with clear inputs, formula shown and shareable results.
Compares the denture's age with its expected service life, extended by about 18 months for each reline carried out.
Service life
Adjusted service life = expected life + 1.5 years per reline; remaining life = adjusted service life - current age
Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
Alveolar ridge resorption continues after tooth loss, so fit deteriorates even if the acrylic is intact.
Annually, to check fit, occlusion and the health of the underlying mucosa.