You’ve probably heard the pitch already — clear aligners, no metal, takes them out to eat, no one notices. Most of that is true. What the marketing leaves out is the part you actually need to know: which cases Invisalign handles well, which cases it doesn’t, what compliance really requires, and what happens after the last aligner comes out. This page is the honest version of all of that.
What Invisalign actually is
Invisalign is a series of clear thermoplastic aligners — custom-made for your mouth — that you wear in sequence to gradually shift your teeth into a planned final position. Each aligner is slightly different from the last, applying gentle pressure that moves teeth roughly 0.25mm per aligner. You wear each one for 1-2 weeks, then swap to the next. A typical case uses 25-50 aligners over 6-18 months.
The aligners themselves are made of a flexible medical-grade polymer (SmartTrack) that’s almost invisible from conversation distance. They’re removable — you take them out to eat, drink anything other than water, and brush. That removability is both the appeal and the catch: results depend entirely on you wearing them 22+ hours a day. Cheating shows up in the teeth, and we can tell.
Invisalign vs traditional braces vs clear ceramic braces
- Invisalign. Removable, virtually invisible, no food restrictions, easier to keep teeth clean. Limited on severe rotations and complex bite issues. Requires high compliance. $2,500-$7,000 depending on complexity.
- Traditional metal braces. Bonded to teeth, not removable. Can handle the most complex cases — severe rotations, deep bite corrections, surgical-orthodontic cases. Compliance isn’t a factor (they’re always working). Visible. $3,500-$6,000.
- Clear ceramic braces. Tooth-colored brackets with clear or white wires. Less visible than metal but still bonded. Mid-ground option for patients who need braces’ capability but want less visibility. $4,000-$7,000.
For 80% of adult cases — mild to moderate crowding, spacing, mild rotations, simple bite issues — Invisalign and braces produce comparable results in similar timeframes. The choice usually comes down to lifestyle and visibility preference. For severe cases, we’ll tell you when braces are the right call and refer to a specialist orthodontist.
What Invisalign can fix — and what it can’t
The honest list:
- Excellent fit. Mild to moderate crowding (up to 6mm of space deficit), spaces between teeth (diastema), mild rotations under 20°, mildly tipped teeth, mildly extruded or intruded teeth, post-orthodontic relapse cases, mild bite refinements.
- Workable but slower. Moderate crowding (6-10mm), moderate rotations (20-40°), moderate overbite or underbite. These cases need more aligners, more attachments, more compliance, and sometimes additional refinements.
- Not a fit. Severe rotations over 40°, severe skeletal discrepancies (jaw size mismatch), large overbites or open bites needing surgical correction, cases requiring extraction of permanent teeth followed by major space closure. We refer these to an orthodontist or oral surgeon.
Dr. Dawood will tell you which bucket your case falls into after the iTero scan and consultation. We don’t pitch Invisalign to patients whose cases need braces — that’s how patients end up frustrated three years later with results that didn’t reach the goal.
The Invisalign treatment process
- Free consultation (45 minutes). Photos, panoramic X-ray, examination. We confirm Invisalign is a fit before we go further.
- iTero 3D scan (15 minutes). Replaces alginate impressions. Wand moves around your mouth and produces a 3D model of every tooth.
- ClinCheck plan (off-visit, 7-10 days). Invisalign engineers + Dr. Dawood map every tooth movement, aligner by aligner, to your final position. You see a video preview of how your teeth will move before you commit.
- Attachments + IPR (1 visit, 30-60 minutes). Small tooth-colored composite bumps are bonded to specific teeth — these give the aligners “grip” for harder movements like rotations or extrusions. If your case needs a bit of extra space, IPR (Interproximal Reduction) shaves slivers (0.2-0.5mm) between specific teeth using a fine sanding strip.
- Aligners delivered (1 visit). You receive multiple aligner trays at once. Wear each for 7-14 days (Dr. Dawood’s call based on case), 22 hours a day, removing only for eating, drinking, and brushing.
- Check-ins (every 6-8 weeks, 15-30 minutes). We verify the teeth are tracking the plan and hand out the next set of aligners.
- Refinements if needed (typically 2-5 additional aligners, free with treatment). If teeth haven’t reached the planned position by the last aligner, we re-scan and order a small refinement series. About 60% of cases need this; it’s normal, not a failure.
- Retainers (final visit). Once the active treatment is done, you transition to retainers — clear and tray-style — worn nightly forever. Without retainers, teeth slowly shift back over years.
The compliance reality
Invisalign works because of consistent pressure over time. The 22-hour minimum isn’t a marketing number — it’s the threshold below which teeth either don’t move or backslide between aligners. The honest math:
- 22+ hours/day: case finishes on schedule.
- 20-22 hours/day: case takes 25-50% longer; refinements likely.
- Under 20 hours/day: teeth backslide between aligners, treatment doesn’t progress, total time can double.
We can tell whether a patient is compliant from how the teeth track the plan. If a case isn’t progressing, we’ll have an honest conversation about wear time before adding refinements — adding more aligners doesn’t fix a compliance problem.
Treatment timeline
- Mild cases (small crowding, small spacing). 6-9 months. 12-25 aligners.
- Moderate cases (typical adult crowding, mild bite issues). 9-15 months. 25-40 aligners.
- Complex cases (significant crowding, mild skeletal issues, multiple corrections). 15-24 months. 40-50+ aligners. May include refinements.
We give you a realistic timeline at the consultation, not a marketing-friendly minimum. Most adult cases at our office finish in 9-15 months with one set of refinements.
Retainers, forever
The single most-skipped fact about orthodontic treatment: teeth shift back without retainers. Not 30%. Not most of the way. They will return to their pre-treatment position over 5-15 years if you stop wearing retainers, regardless of how long you wore aligners or whether you had braces or Invisalign.
- Year 1 post-treatment. Wear retainers every night. Teeth still want to shift; consistent retention locks the result.
- Year 2+. Most patients can drop to 3-4 nights a week and maintain results.
- Long-term. Replace retainers every 2-3 years (they wear out, get stained, fit becomes less precise). Replacement retainers $200-$400.
- If you stop. Teeth will drift. The longer you stop, the more they drift. Patients who stop wearing retainers for 5+ years often need a short Invisalign re-treatment — typically 6-12 aligners, $1,200-$2,400.
We include the first set of retainers in your treatment cost. Replacement retainers are quoted separately. Wear them.
Why patients choose Glisten
All your dental work, in one place
Our small team of multi-specialty dentists handles implants, restorative, cosmetic, and orthodontics — so you're not being passed between three different offices to finish your work.
We advocate with your insurance
We file claims directly and follow up with your insurance company on your behalf to help cover what they should — instead of leaving the paperwork to you.
Honest, no-pressure plans
We recommend only what's actually necessary. Your treatment plan is written so you can take it anywhere for a second opinion — no hard sell, no over-diagnosis.
