Treatment Plans Explained

You’ve left the dental practice with a printout. It might say “UR6 MOD comp, LL7 RCT + PFM crown, BPE 3 3 2 / 2 3 3, OPG” with a total underneath, or it might be an NHS form saying “Band 3” with no detail at all. Either way, a lot of money and some of your teeth depend on a document written for other clinicians, not for you.

This guide shows you how to take that plan apart line by line, how to use ChatGPT, Claude, Gemini or Microsoft Copilot to translate it and test it, and how to tell whether a quote is fair, padded, or missing something. It assumes you already know what a filling and a crown are. What you need now is the next layer down.

What a dental treatment plan actually contains

Most UK treatment plans, NHS or private, have the same five parts, even when the layout looks completely different:

1. Findings. What the dentist saw: decay, gum pockets, cracks, failing old fillings, bone loss on X-ray.
2. Proposed treatment, tooth by tooth. Each tooth has a code and each procedure has a shorthand.
3. Materials. Composite or amalgam, porcelain-fused-to-metal or zirconia, and so on. These choices often drive most of the price difference.
4. Cost. On the NHS this is one band charge. In private practice it’s itemised, sometimes with lab fees listed separately.
5. Sequence and timing. Which appointments, in what order, and over how many weeks.

The fifth part is often left out, and it matters. “Root canal then crown” on the same tooth is normally two to four visits spread over a few weeks. A plan that doesn’t say this makes it hard to judge whether the quote covers temporary crowns, reviews and the follow-up X-ray.

Decoding the notation before you do anything else

You can’t sanity-check a plan you can’t read, so translate it first. UK dentists mostly use Palmer notation: the mouth is split into four quarters (upper right, upper left, lower right, lower left) and teeth are numbered 1 to 8 from the front centre backwards. So UR6 is your upper right first molar, and LL8 is a lower left wisdom tooth. “Right” means your right, not the dentist’s.

Some practice software prints FDI notation instead, which uses two digits. The first digit is the quadrant (1 = upper right, 2 = upper left, 3 = lower left, 4 = lower right) and the second is the tooth. UR6 in Palmer is 16 in FDI. LL7 is 37.

Procedure shorthand stacks on top of that. “MOD” means the filling covers the mesial (front-facing), occlusal (biting) and distal (back-facing) surfaces, which is a big filling. “DO” is two surfaces. “RCT” is root canal treatment. “Ext” is extraction. “PFM” is porcelain fused to metal. There are dozens more, and practices invent their own. We keep a full glossary at Dental Treatment Plan Abbreviations Explained. Have it open in another tab while you work through your plan.

Here is the example plan from the introduction, translated:

The BPE line matters more than most people realise. A score of 3 or 4 anywhere means gum treatment should normally come before crowns or implants, because placing expensive work in unhealthy gums shortens its life. If your plan has BPE 3s and 4s but no hygiene or periodontal treatment listed, ask why.

NHS plans: what the band tells you and what it doesn’t

In England, NHS treatment is charged by band per course of treatment, not per item. The charges set in April 2025 were:

Charges normally rise each April, so check the current figures on nhs.uk before relying on these.

Three rules catch people out. You pay one charge for the highest band in the course: four fillings and a crown is £326.70 in total, not £326.70 plus £75.30. If a Band 2 or Band 3 item fails within 12 months, the repair or replacement of that item should generally be free. And if you’re on the NHS, your dentist should give you a written plan (form FP17DC in England) for any Band 2 or 3 course.

Wales, Scotland and Northern Ireland run their own systems. In Scotland and Northern Ireland, adults pay 80% of the fee for each item, capped at £384 per course, and Scottish check-ups are free. If you live outside England, ask the practice for the itemised NHS fees, as your total will depend on exactly what’s being done.

What the band won’t tell you is what is being done. “Band 3” could mean one crown or a full upper denture plus six fillings. Ask for the tooth-by-tooth list. You’re entitled to it, and you need it to make any sense of the plan.

Mixed NHS and private plans

A common pattern is “the filling on the NHS, the crown private because you’ll want it white”. This is allowed, but the practice has to be clear about which items are which and must not suggest NHS treatment is unavailable when it is. On the NHS, crowns on back teeth are usually metal or PFM. A white crown on a molar is often a cosmetic choice, not a clinical necessity. That might still be a good choice for you, but it’s a choice, and the plan should say so.

Private plans: what fair prices look like

Private fees vary a lot by region and practice. London and the South East can run 30–50% above the North of England or Wales. The table below shows typical UK ranges from practice fee lists published in 2025–26. Use it to spot outliers, not as a price promise.

If any line on your plan is more than about 30% above the top of its range, it’s worth asking why. Sometimes there’s a good reason: a molar with curved or calcified canals, a crown with custom shading, a surgical extraction. Sometimes there isn’t.

Watch what’s bundled. One practice’s £950 crown includes the temporary crown, lab fee and fit appointment. Another’s £650 crown adds £180 for the lab and £60 for the temporary. Compare like with like by asking: “Is this the all-in price for this item, including lab fees, temporaries and reviews?”

Using AI to read your plan: a worked example

ChatGPT (GPT-5), Claude, Gemini and Microsoft Copilot can all read a photo or PDF of a treatment plan and turn it into plain English. They’re good at translating notation, explaining procedures and drafting questions. They are bad at knowing your mouth. They haven’t seen your X-rays, and they’ll sometimes state a guess as fact.

Step 1: Remove personal details

Before you upload anything, cover or crop out your name, date of birth, address, NHS number and the practice’s patient ID. A phone’s photo editor is enough. If you’re using ChatGPT, consider turning off “Improve the model for everyone” in Settings → Data Controls, or use a temporary chat. Claude and Gemini have equivalent privacy settings. Treat the plan as health data, because it is.

Step 2: Use a structured prompt

A vague prompt like “explain this” gets a vague answer. This one works better:

I'm a UK adult with no dental training. Attached is my private dental
treatment plan from a practice in Leeds. Please:

1. Translate every line into plain English, including tooth position
   (Palmer notation) and what the procedure involves.
2. Flag anything that looks unusual, inconsistent or missing (for
   example, gum treatment missing despite high BPE scores).
3. Compare each price against typical UK private fees and say whether
   it looks low, typical or high. Say how confident you are.
4. Suggest the order the treatment would normally be done in.
5. List 5–8 questions I should ask the dentist before agreeing.

Don't tell me whether to go ahead. Do tell me where you're unsure or
where you'd need my X-rays to judge.

Step 3: Read the output critically

Here is a shortened, real-style response from ChatGPT to a plan containing UR6 MOD composite (£240), LL7 RCT (£850), LL7 E.max crown (£1,150), and a BPE of 3 3 2 / 2 3 3 with “hygiene x1” (£85):

LL7 RCT – £850
Root canal treatment on your lower left second molar. Molars usually
have 3–4 canals. £850 is within the typical range for a general
dentist (£500–£1,000), towards the upper end. Confidence: moderate.

LL7 E.max crown – £1,150
A lithium disilicate (glass-ceramic) crown. This is above the typical
range (£600–£1,100). Ask whether this includes lab fees and the
temporary crown.

Possible gap:
Your BPE scores include several 3s, which usually indicate pockets of
3.5–5.5mm. One hygiene appointment may be appropriate, but BPE 3 is
often followed by a more detailed pocket chart and possibly a course
of root surface debridement. Ask whether further gum treatment is
planned before the crown is fitted.

Questions to ask:
- Is the LL7 tooth restorable long-term, and what is the success rate
  you'd expect for this root canal?
- Would you refer this to an endodontist, and what would that cost?
- Why E.max rather than PFM or zirconia on a back tooth?
...

This is useful output. It caught the gum-treatment gap, which is the most important thing on the plan, and the price comments are sensible. But notice what it can’t do. It doesn’t know whether LL7 has enough tooth left to be worth saving. A molar with a crack running under the gum might be better extracted and replaced with an implant, which changes the whole decision. Only someone looking at the tooth and the X-ray can judge that.

Step 4: Cross-check with a second model

Paste the same anonymised plan into a different tool. If ChatGPT and Claude both flag the same issue, take it seriously. If only one does, treat it as a question to ask, not a conclusion. If they contradict each other on a price or a clinical point, the honest answer is usually “it depends”, and you need the dentist to explain.

Prompts that work well for follow-ups

• “Explain the difference between PFM, zirconia and E.max for a lower back molar. Cover durability, appearance and how much tooth has to be removed.”
• “What are the alternatives to root canal plus crown on a molar, with rough UK private costs for each over 10 years?”
• “Rewrite my question list so it sounds polite and not accusatory.”
• “My dentist says I need ‘RSD 4 quadrants’. What is that, and is it normally done by a dentist or a hygienist?”

That last kind of prompt is where AI is strongest: a specific term you can’t easily look up, explained in context.

The questions that actually change decisions

Whatever the AI produces, these are the questions most likely to change what you do:

“What happens if I do nothing, or wait six months?” A small cavity with no symptoms might be monitored. A tooth with an abscess on the X-ray shouldn’t wait. The answer tells you how urgent each line really is, which helps when you can’t afford everything at once.

“Which items are clinically necessary and which are optional?” Whitening, replacing sound amalgam fillings with white ones, and upgrading crown materials are often optional. Treating decay and infection is not.

“Can I see my X-rays?” You’re entitled to copies of your dental records under UK GDPR. A subject access request is normally free, and the practice has one month to respond. Many practices will simply email them. Having them makes any second opinion much faster and cheaper.

“Can this be phased?” Splitting a £3,000 plan into urgent work now and the rest in six months is common and perfectly reasonable.

“Would you refer this to a specialist?” For difficult molar root canals especially, a specialist endodontist’s success rates can justify the higher fee. A dentist who’s open about where their own skills end is usually a good sign.

When to get a second opinion

Consider one if any of these apply:

• The plan is over about £2,000 and you weren’t shown the X-rays or given an explanation.
• You had no symptoms, attended a routine check-up, and came out with eight or more fillings planned. Big changes in findings at a new practice can be legitimate, as dentists use different thresholds for treating early decay, but they’re worth checking.
• You were pushed toward implants or veneers when you came in for something else.
• The dentist won’t break the plan down item by item.
• AI tools consistently flagged a missing step, such as gum treatment before crowns, and the practice brushed it off.

A second opinion at another private practice usually costs a new-patient exam fee (£50–£120). Bring your X-rays so you don’t pay for new ones. On the NHS you can see a different practice, though finding one taking new adult patients may take time, and you’ll pay a fresh Band 1 charge.

Don’t tell the second dentist what the first one charged until they’ve given you their own view. Otherwise you’ll anchor them.

Paying, finance and what to watch in the small print

Many private practices offer 0% finance through providers such as Tabeo, Chrysalis Finance or Medenta, typically over 6–12 months. Beyond that, interest of 9.9%–19.9% APR is common. On a £3,000 implant at 14.9% APR over 36 months, you’d pay roughly £3,700 in total. Run the numbers before agreeing, and treat finance as a loan, because it is one and it goes on your credit file.

Practice membership schemes (often via Denplan or Practice Plan) cost around £15–£30 a month and usually cover check-ups and hygiene with a discount on treatment, commonly 10–20%. They rarely cover crowns or implants in full. If you’re being offered a plan to cut the cost of a large course of treatment, check the actual discount on your actual items, and whether there’s a minimum membership period.

Read the deposit terms too. Labs make crowns and dentures to order, so practices often take a deposit when impressions or scans are taken. Ask what happens to that money if you change your mind before the fit appointment.

If something goes wrong

Start with the practice’s own complaints procedure: every practice must have one. For NHS treatment in England, if that doesn’t resolve it, contact NHS England (or your local Integrated Care Board) and then the Parliamentary and Health Service Ombudsman. For private treatment, the Dental Complaints Service, funded by the General Dental Council, handles fee and quality complaints for free. Serious concerns about a dentist’s fitness to practise go to the GDC directly.

Keep your written plan, receipts and any messages. An AI-assisted summary you made at the time, showing what you were told and what you asked, can help you set out the timeline clearly later. Just keep it factual, as it isn’t evidence of anything clinical.

A note on what AI gets wrong with dental plans

Some failure modes we’ve seen repeatedly when testing ChatGPT, Claude, Gemini and Copilot on real anonymised UK plans:

• Mixing up notation. Tools sometimes read “LL6” as US Universal numbering (where teeth run 1–32) and identify the wrong tooth. Telling it “this uses UK Palmer notation” in your prompt fixes this almost every time.
• Using US prices. Without “UK” in the prompt, price comparisons tend to drift toward American fees, which are much higher and make your quote look cheap.
• Outdated NHS bands. Models trained on older data quote £23.80 / £65.20 / £282.80 (the 2022–23 England charges) as current. Check nhs.uk.
• Overconfident clinical judgement. “This tooth should be extracted rather than root-treated” is not something any AI can know from a printed plan. If a tool says something like that, ask it what information it would need to judge. The honest answer is the X-ray and a clinical exam.

Used for translation, price benchmarking and question-drafting, these tools cut the time it takes to understand a plan from an evening of searching forums to about fifteen minutes. Used as a replacement for a dentist’s judgement, they’ll mislead you sooner or later. When you’re ready to go line by line through your own plan, start with the abbreviations glossary so you know exactly what each code means before you ask the AI anything.