39- Are Patients Reacting to Orthodontic Metals
Show notes
Allergic reactions to metals used in orthodontics, particularly nickel and titanium, are explored in this discussion. Key points include:
- Nickel is a common allergen, affecting 14% of patients, mainly women and adults.
- Titanium allergies are rare, affecting 4% of patients, with no clear predictive symptoms.
- Substituting titanium for nickel isn’t always safe due to potential reactions to both.
- Ceramic brackets might be a safer alternative for some patients.
Testing remains essential for accurate diagnosis.
…………………….
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Show transcript
00:00:00: Ever heard of patients developing rashes or irritation from their braces?
00:00:04: It might not be just coincidence!
00:00:08: Hey guys, today we're talking about allergic reactions caused by titanium and nickel.
00:00:14: Two metals commonly used in orthodontics.
00:00:16: We'll look at what the research says about these sensitivities How to recognize them early And What options exist for safer treatments.
00:00:28: When you talk about allergies In orthodentics most us think of nickel.
00:00:32: It's the usual suspect, common well-documented and occasionally troublesome.
00:00:38: Titanium on the other hand has enjoyed a reputation for being completely inert.
00:00:43: A recent Croatian study however makes us look twice at that assumption.
00:00:48: The researchers examined over two hundred orthodontic patients with fixed appliances.
00:00:53: They performed patch testing for nickel and four different titanium compounds, and asked the participants about possible allergy-related symptoms.
00:01:03: Things like oral burning, taste changes or swelling... What did they find?
00:01:08: About fourteen percent of patients showed sensitization to nickel but only four percent to titanium!
00:01:15: A small number.
00:01:16: just two percent reacted to both metals.
00:01:19: Nickel sensitivity, as expected was higher in women and adults.
00:01:25: Statistically adult age and interestingly watery eyes were the only significant predictors of nickel sensitization.
00:01:35: No clear symptom predicted titanium allergy.
00:01:38: So while patients often report sensations like burning or metallic taste these don't seem to correlate with true allergic sensitization.
00:01:47: From a clinical perspective, this is important.
00:01:50: Titanium allergy is rare but it does occur.
00:01:53: Substituting titanium brackets in patients with nickel allergies isn't always safe.
00:01:59: some will react to both.
00:02:00: for those cases ceramic brackets might still be the best option.
00:02:05: I appreciate that study was well-designed and transparent about its limits.
00:02:10: It's cross sectional so we can infer causality.
00:02:14: Self-reported symptoms are notoriously unreliable and the number of titanium positive patients was small.
00:02:24: Still, the findings remind us to stay critical and evidence based in our material choices.
00:02:31: In summary allergic sensitization to nickel entertainment is uncommon in orthodontic practice And difficult to predict from symptoms alone.
00:02:40: but we should remain aware, especially in adult women or patients with known metallologies.
00:02:47: Testing rather than guessing remains the gold standard!
00:02:51: Thanks for watching.
00:02:52: I'm Dr.
00:02:53: Martin Baxman.
00:02:54: let's bring science back to orthodontics.
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