Related Experiment Video
Updated: Apr 19, 2026
11:19
Oral Biofilm Formation on Different Materials for Dental Implants
Published on: June 24, 2018
12.4K
Titanium orthodontic appliances for allergic patients
C Maspero1, L Giannini, G Galbiati
1Orthodontic Department, University of Milan, Milan, Italy - giampietro.farronato@unimi.it.
Minerva Stomatologica
|December 16, 2014
Summary
Titanium orthodontic appliances effectively resolved stomatitis and dermatitis in patients allergic to common materials. This study demonstrates titanium
Area of Science:
- Orthodontics
- Biomaterials Science
- Allergy and Immunology
Background:
- Traditional orthodontic appliances often utilize acrylic resin and nickel-containing steel, which can trigger allergic reactions.
- Stomatitis and peri-labial dermatitis are common adverse effects in patients with sensitivities to these materials.
Purpose of the Study:
- To evaluate the efficacy of titanium orthodontic appliances in patients with known allergies to resin and nickel.
- To assess the resolution of symptoms like stomatitis and peri-labial dermatitis using titanium appliances.
Main Methods:
- A cohort of 120 orthodontic patients (ages 10-15) requiring rapid palatal expanders or mobile appliances were assessed.
- Two patch sensitivity tests were conducted to confirm the presence of specific allergies.
Main Results:
- Titanium's biocompatibility is linked to its resistance to corrosion, preventing ion release and cellular damage.
- The formation of superficial oxides on titanium blocks oxidation and corrosion, enhancing its safety profile.
- Titanium appliances demonstrated excellent biocompatibility and efficacy in the study population.
Conclusions:
- The use of titanium orthodontic appliances led to a complete regression of allergic symptoms.
- Titanium presents a viable, hypoallergenic alternative for orthodontic treatment in sensitive patients.
