If your supply room feels unpredictable, the problem is rarely a single missing item. It is usually a system issue: too many similar products, inconsistent ordering habits, and no clear “source of truth” for what the practice actually uses. One of the most practical ways to regain control is to treat inventory like a clinical protocol and build a clear, agreed-upon formulary. A strong starting point is a structured approach to managing dental inventory management that your team can adapt to your procedures, storage constraints, and ordering roles.

A formulary is simply a standardised list of approved supplies, with defined brands or acceptable alternatives, and a clear rule for when and how to reorder. In plain terms, it answers:

• What do we stock on purpose?
• What do we not stock anymore?
• Who decides, and how do changes get approved?
• What quantity should be on hand at any time?

This is not about cutting corners. It is about reducing unnecessary variety so clinicians can work smoothly while the practice reduces expired items, rush shipping, and duplicate purchases.

The hidden cost of “almost the same” products

Most practices do not overspend because they buy too much of one thing. They overspend because they buy too many versions of the same category.

Common examples:

• Five kinds of prophy paste because each hygienist likes a different flavour
• Multiple glove brands and thicknesses in the same size
• Several composite systems across providers, each requiring its own accessories
• Two or three impression materials “just in case,” plus backup trays and tips

Each added SKU creates a chain reaction:

• It needs storage space.
• It needs a reorder decision.
• It increases the chance of ordering the wrong compatible accessory.
• It increases the chance something expires in the back of a drawer.
• It makes training harder for new team members.

Standardisation is the antidote because it reduces the number of decisions the team has to make every week.

Step 1: Start with categories, not individual items

Before you debate brands, get agreement on categories. Create a simple list that mirrors how dentistry is actually delivered in your office. A practical set of categories looks like:

• Infection control and sterilisation
• Restorative basics (bond, etch, composite, matrix systems)
• Anaesthetics and needles
• Hygiene consumables
• Endo (if applicable)
• Implant (if applicable)
• Lab and impression materials
• Patient giveaways and retail items
• Office supplies (non clinical)

This step matters because most practices try to standardise item by item, which turns into endless debate. Categories give you a framework for rational decisions.

Step 2: Build a “current state” snapshot in one week

You do not need a perfect inventory count to begin. You need an accurate picture of what you are currently buying and storing.

A quick method:

• Pull the last 60–90 days of invoices and order confirmations
• Export the line items into a spreadsheet
• Group by category and vendor
• Highlight duplicates that serve the same purpose

When you do this, you often discover that the team has been ordering around shortages, rep recommendations, or habit rather than policy. The goal is not blame. The goal is visibility.

Tip: Do not try to standardise everything at once. Start with your highest volume categories first, typically gloves, sterilisation, hygiene disposables, and common restorative items.

Step 3: Decide what “standard” means in your practice

Standardisation can be rigid or flexible. The right approach depends on your clinical culture.

Here are three levels that work well:

Level A: Single standard

One product is approved for the practice, and alternatives require explicit approval.

Use this for:

• Gloves
• Barriers
• Sterilisation pouches
• Wipes and disinfectants
• Paper goods

Level B: Standard plus approved alternates

One main product is standard, with one backup alternative that is compatible and easy to source.

Use this for:

• Certain composites and bonding systems
• Impression material
• Burs and disposable tips

Level C: Clinician preference within a defined boundary

A small set of options is approved, and each option has a clear storage and reorder rule.

Use this for:

• Prophy paste flavours
• Topical anaesthetic flavours
• Patient giveaway variations

The mistake is allowing “unlimited choice”. The smarter approach is allowing “bounded choice.”

Step 4: Convert your formulary into par levels that match real usage

A formulary without par levels is a list, not a system.

Par levels define:

• Minimum quantity (reorder point)
• Maximum quantity (do not exceed)
• Reorder quantity (how much to order each time)

If you do not know where to start, use a simple rule based on lead time and usage:

• Minimum = two to four weeks of usage
• Maximum = four to eight weeks of usage, depending on shelf life and storage space

Then refine based on:

• How often you want to place orders
• How stable your vendors are
• Whether items expire quickly
• Whether the item is mission critical (anaesthetic vs paper towels)

A key insight many practices miss: the most “expensive” items are not always the ones that need strict par control. The most disruptive items are the ones that stop production when they run out.

Step 5: Design a change control process so the formulary stays clean

Standardisation fails when anyone can change the supply list at any time. You need a simple governance rule that feels fair.

A practical policy:

• Any new product request must include: reason, clinical benefit, compatibility needs, and what it replaces
• Trial requests are time limited (for example, 30 days)
• If adopted, the old SKU gets removed and physically cleared out
• Only one person updates the official list

This prevents “formulary creep,” where the list grows and grows until you are back where you started.

Step 6: Reduce expiration waste with a storage and rotation routine

Even a perfect formulary will fail if supplies disappear into “black holes,” like under sinks, rarely opened drawers, or random cabinets in operatories.

Two routines work well:

Weekly micro check (15 minutes)

• Look only for: low stock and near-expiration items in the top 10 categories
• Confirm that items are stored in a single agreed location
• Move older items forward (FIFO principle)

Monthly rotation audit (30 to 60 minutes)

• Pull everything from one high risk area (often anaesthesia and composite)
• Check expiration dates
• Consolidate partial boxes where appropriate
• Reset the layout so the most used items are easiest to grab

Even a perfect formulary will fail if supplies disappear into “black holes,” and small habits like FIFO plus tighter controls on expired dental materials can prevent thousands in avoidable waste over time. The big takeaway is that waste is usually a layout and habit problem, not a “people problem”.

Step 7: Use cycle counting to keep the system accurate without doing a full inventory

Full physical inventory counts are exhausting and often get skipped for months. Cycle counting is the alternative: small, scheduled counts of a subset of items.

A simple cycle counting plan:

1. Pick 20–30 high value or high volume items (gloves, anaesthetic, composite, sterilisation pouches)
2. Count them on the same day each week or every two weeks
3. Compare what you counted to what you thought you had
4. Adjust par levels when the same item repeatedly runs out early or sits untouched

Over time, cycle counting builds confidence in your numbers and helps you notice patterns, like seasonal procedure changes or a specific clinician using more of a product due to technique.

Step 8: Make budget conversations about systems, not about “cheaper products”

When supply costs rise, practices often jump straight to price shopping. Sometimes that helps, but it can also create more variability and more SKUs.

A more durable approach is to manage waste and standardise first, then price shop within your approved list. When supply costs rise, chasing minor price differences can backfire if the practice is still over-ordering or duplicating products, which is why the 5% dental supplies budget target only works when the underlying ordering system is disciplined.

The practical lesson is that small per-item savings do not matter if the practice is over-ordering, duplicating categories, or letting products expire.

A sample rollout plan that avoids team resistance

Here is a rollout plan that respects both clinical autonomy and operational reality:

Week 1: Collect data

• Pull recent invoices
• List duplicates by category

Week 2: Decide top priorities

• Select 3 categories to standardise first

Week 3: Pick standards and set par levels

• Choose Level A, B, or C per category
• Define min and max

Week 4: Reset storage

• Clean and label locations
• Remove dead stock and true duplicates

Weeks 5–8: Cycle count and adjust

• Count a small set weekly
• Refine reorder points

Ongoing: Change control

• Use a simple request process for new products

This approach keeps the project manageable and reduces the chance that the team perceives standardisation as a sudden top-down restriction.

Takeaway

A well-built dental formulary does more than reduce supply costs. It reduces stress, speeds up room turnover, prevents last-minute scrambling, and makes onboarding easier. Most importantly, it protects patient care by making sure the right materials are available consistently, without relying on memory or heroics.

If you focus on fewer SKUs, clear par levels, a simple approval process, and routine rotation checks, you can turn inventory from a recurring frustration into a predictable system. That is the real goal: not perfection, but reliability.

Adam Mulligan, a psychology graduate from the University of Hertfordshire, has a keen interest in the fields of mental health, wellness, and lifestyle.