Minimally Invasive Dentistry
Resin Infiltration in Buderim
Not every spot of early decay has to become a filling. Resin infiltration treats a lesion while it is still inside the enamel, without drilling and usually without an injection. It is one of the few dental treatments that does something about a problem before it becomes a hole.
The Gap Between "Watch It" and "Drill It"
Early decay puts a dentist in an awkward position. The lesion is real and it is visible on the x-ray, but it has not yet broken through the enamel into a cavity. Drilling means cutting away healthy tooth to reach it. Doing nothing means checking it again in six months and hoping it has not grown. Resin infiltration sits in that gap: it treats the lesion where it is, without removing tooth structure to get there.
What Is Actually Happening in the Tooth
An early lesion is not a hole. It is a patch of enamel that acid has made porous, like a sponge, while the outer surface is still intact. Those pores are what let acid travel deeper into the tooth. Resin infiltration draws a very thin resin into that porous layer and sets it, which blocks the pathways the acid was using.
Why the White Mark Fades
A lesion looks chalky white because the pores inside it are filled with air or water, which bend light very differently to enamel. The eye reads that mismatch as a bright patch. Filling those pores with resin, which bends light much more like enamel does, reduces the mismatch. The mark often becomes far less noticeable against the surrounding tooth.
No Drill, No Injection
Because the treatment works through the enamel surface rather than by cutting into it, there is nothing to numb. Most patients have resin infiltration without an anaesthetic injection. If you have been putting off dental work because of the drill, this is one of the treatments that removes that particular obstacle.
The System We Use
Sunny Dental uses Icon, the resin infiltration system made by German dental manufacturer DMG. It has been available to dentists for over a decade and is the system most of the published clinical research on infiltration has been carried out with. Patients from Sippy Downs, Mountain Creek and Maroochydore travel to our King Street practice for it.
What the Appointment Involves
Most cases are done in one visit. Here is the sequence, so nothing about the appointment is a surprise.
Assessment
Your dentist checks the lesion clinically and on x-ray to confirm it is still within the enamel or the outer part of the dentine, and that the surface has not collapsed into a cavity. This step decides whether infiltration is appropriate at all.
Isolation
A rubber dam is placed to keep the tooth dry and to protect the gum from the etching gel. If the lesion sits between two teeth, a small wedge is used to separate them slightly so the gel and resin can reach the surface.
Opening the surface
A hydrochloric acid gel is applied for about two minutes, then rinsed off thoroughly. This dissolves the thin intact layer sitting over the lesion so the resin has a way in. You will not feel this; the gel is confined to the tooth by the rubber dam.
Drying
An ethanol solution is applied for around 30 seconds and air dried, which removes water from inside the pores. Resin cannot infiltrate a wet lesion, so this step does a lot of the work in deciding how well the treatment turns out.
Infiltration and curing
The resin is applied and left to be drawn into the enamel, then set with a curing light. A second application is common, because the first one shrinks slightly as it sets. The surface is then polished. You can eat and drink normally straight afterwards.
When It Is Suitable, and When It Is Not
Often suitable for
- Early decay found between the back teeth on a bitewing x-ray, before it reaches the point of needing a filling
- White or chalky marks left on the front teeth after orthodontic braces are removed
- Some cases of mild fluorosis, where white flecking has been present since the teeth came through
- Patients who want to avoid the drill, and children or teenagers where preserving tooth structure early matters most
Not the right treatment when
- The lesion has already cavitated, meaning the surface has broken and there is a hole. A filling is the correct treatment there
- Decay has progressed well into the dentine, which the x-ray will show
- The mark is a stain sitting on the outside of the tooth rather than a change within the enamel. A clean or whitening may be the answer instead
- The discolouration is deep or heavily fluorotic. Masking is less predictable in those cases, and your dentist will talk through veneers or composite bonding as alternatives
Case selection is the part that matters most. Resin infiltration done on the right lesion behaves very differently to the same treatment done on the wrong one, which is why the assessment appointment and the x-rays come first.
Frequently Asked Questions
Does resin infiltration involve drilling?
No. Resin infiltration works through the surface of the enamel rather than by cutting into the tooth. A gel is used to open the outer layer of the lesion, then a thin resin is drawn into the porous enamel underneath and set with a curing light. Because no tooth structure is removed, most patients do not need an anaesthetic injection.
How long does a resin infiltration appointment take?
Most cases are completed in a single visit. The working time depends on how many teeth are involved and whether the lesions sit between the teeth or on the front surfaces. Your dentist will give you a time estimate at the assessment appointment once they have seen the x-rays.
Which teeth can be treated with resin infiltration?
It is used on early lesions that have not yet formed a cavity. That includes decay found between the back teeth on x-ray, and white or chalky marks on the front teeth, including marks left after orthodontic braces and some cases of mild fluorosis. Once a lesion has broken through into a hole, a filling is needed instead.
Is resin infiltration permanent?
The resin stays within the enamel and is not removed at later visits. Research following treated lesions has found the change in appearance still measurable several years afterwards. That said, resin infiltration does not make a tooth immune to new decay, so ongoing brushing, flossing and regular check-ups still matter.
How much does resin infiltration cost in Buderim?
Cost depends on how many teeth are treated and how the lesions present. It is generally quoted per tooth. We will give you a written quote before any treatment starts, and we can check what your health fund covers using HICAPS at the practice.
Will I still need fillings later?
Infiltration treats the lesions that are there now. It does not change your diet, your brushing, or how much saliva you produce, all of which affect whether new lesions form. Your dentist will go through what is driving decay in your case, because treating the cause is what keeps the next lesion from appearing.
Can children have resin infiltration?
Yes, where the lesion is suitable. It is often a good fit for younger patients because it avoids both the drill and the injection, and it preserves tooth structure at an age when there is a long way left to go. Cooperation matters more than age, since the tooth needs to stay isolated and dry for the treatment to work.
Ask Whether Your Lesion Can Be Infiltrated
If a previous dentist has told you there is a spot they are keeping an eye on, it may be a candidate. Book an assessment at Sunny Dental Buderim and we will look at it properly, x-rays included, and tell you honestly whether infiltration is the right call.
All dental treatments carry risks. Outcomes vary between individuals and depend on the depth and nature of the lesion being treated. The information on this page is general in nature and does not replace personalised advice from a registered dental practitioner. A consultation and radiographs are necessary to assess your individual needs and suitability for resin infiltration.
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