Signs include: increasing looseness, the need for more adhesive than previously, sore spots that recur in different locations, food getting under the denture during meals, and visible rocking or tipping when you press on one side. If your dentures are more than two years old and any of these symptoms are present, a reline evaluation is warranted.

Chairside relines are completed in one appointment — approximately 60 to 90 minutes. The dentist takes a functional impression inside the existing denture, processes the new lining material, and returns the relined denture the same visit. Laboratory relines (sent to a dental lab) provide a more precise result but require leaving the denture overnight or for one to two days.

A reline restores fit at the time of the procedure, but bone resorption continues. Hard relines typically maintain good fit for two to four years before the ridge changes enough to require another reline. Soft relines last one to two years due to material degradation. Relining is a maintenance procedure that is repeated periodically throughout the life of the denture.

The reline procedure itself is painless — no drilling or injections are needed. A functional impression is taken inside the denture while it is seated in your mouth. After the new lining material is processed and the denture returned, minor pressure adjustments may be needed at specific spots. Post-reline soreness is uncommon and resolves quickly with minor adjustments.

A reline adds new material to the tissue surface of the existing denture base. A rebase replaces the entire denture base with new acrylic while keeping the original teeth. Relines address fit issues when the base is still structurally sound. Rebasing is appropriate when the base is cracked, stained, or weakened but the teeth and arrangement remain acceptable.

Hard reline: $300 to $500 per denture. Soft reline: $350 to $550 per denture. Laboratory relines cost slightly more than chairside relines due to lab fees. These costs are significantly less than new denture fabrication ($1,800 to $5,000). Most dental insurance plans cover denture relines, typically once every two years.

Yes. If both dentures need relining, both can be addressed in the same appointment for chairside relines. Laboratory relines may be staggered so you are not without both dentures simultaneously — one is sent to the lab while you wear the other, then they switch.

A temporary soft reline (tissue conditioning) uses a very soft, resilient material that cushions and treats inflamed tissue beneath an ill-fitting denture. It is placed for one to two weeks to allow the tissue to heal before taking the final impression for a permanent reline. This two-step approach produces better results when the tissue is currently irritated or swollen.

Over-the-counter reline kits are available but not recommended. They cannot replicate the functional impression technique that captures ridge anatomy under simulated chewing forces. Poor reline material or incorrect application can alter the bite, damage the denture, or create tissue pressure points. Professional relines produce predictably superior results that protect both your tissue and your denture.

Annual evaluation is recommended. Your dentist assesses fit, retention, tissue health, and occlusion at each visit. Relining before the denture becomes significantly loose prevents tissue damage from the rocking and friction of an ill-fitting prosthetic. Proactive maintenance extends both denture life and tissue health.

No. Relining only modifies the tissue surface (the inside). The teeth, arrangement, lip support, and visible surfaces remain unchanged. The denture looks identical after relining — it simply fits better against your ridge. If the teeth show visible wear or staining, those are separate issues that may indicate the need for new dentures.

If the original denture has correct tooth arrangement, appropriate vertical dimension, and acceptable aesthetics — yes, a reline can improve a poorly fitting base. However, if the original denture has fundamental problems (incorrect bite height, poor tooth position, wrong arch form), relining will not solve these issues. A new denture fabricated correctly is the appropriate solution.

Hard relines use heat-cured or auto-polymerizing polymethyl methacrylate (PMMA) acrylic resin — the same material as the original denture base. The new material bonds chemically to the existing base, creating a monolithic unit. Laboratory-processed hard relines use heat-cured acrylic, which is denser and more durable than the self-curing material used for chairside relines.

Yes. Implant-supported overdentures still contact the tissue and benefit from periodic relining as the ridge changes shape. The reline maintains tissue contact and support while the implant attachments continue to provide retention. The attachment housings are blocked out during the reline impression to avoid incorporating them in the new lining material.

Immediately: improved retention and stability. The denture should feel snugger and more secure. Minor sore spots may develop in the first few days as the tissue adapts to the new surface contact. One to two adjustment appointments are typical. Avoid adhesive for the first week to accurately assess the new fit. Report persistent discomfort promptly for adjustment.