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Before using a MARPE, a comprehensive diagnosis is very important to determine eligibility for the procedure. Age and gender are the two most important factors to be considered for a successful treatment1with 94% success in female patients (mean age 19 years; age range 6-60 years) compared to 61% success in male patients (mean age 20 years; age range 6-60 years) . If qualified, it might be used to treat a variety of dental and skeletal problems such as:
thats crazy
4 hole advantage because it provides transversal pressure as well
It is very important to educate the patient not to turn the expander more than once a day. Research has shown that rapid expansion " Twice a day " resulted in more tipping of the molars and bending / failures of the mini screw when compared to slow expansion "every other day"
this shows how much of the improvement was alveolar, skeletal or dental
its just the location of teeth, youre going to get more improvement in the front of your face rather than deeper towards the middle
issues
thats crazy
4 hole advantage because it provides transversal pressure as well
It is very important to educate the patient not to turn the expander more than once a day. Research has shown that rapid expansion " Twice a day " resulted in more tipping of the molars and bending / failures of the mini screw when compared to slow expansion "every other day"
this shows how much of the improvement was alveolar, skeletal or dental
its just the location of teeth, youre going to get more improvement in the front of your face rather than deeper towards the middle
- Skeletal expansion zygomatic width, 2.39 mm;
- Nasal width, 2.68 mm;
- jugular width, 3.12 mm;
- Midpalatal suture at the posterior nasal spine and anterior nasal spine, 3.34 mm and 4.56 mm, respectively;
- Alveolar molar width expansion, 4.80 mm;
- Dental expansion inter-canine width, 3.96 mm;
- Inter-premolar width, 4.99 mm; and
- Inter-molar width, 5.99 mm.
issues
- Gingival hypertrophy of the palatal mucosa associated with the MARPE device.
- Decrease in bone level and thickness at first molars in 40.7% of the cases.
- Asymmetric expansion
- A change in the occlusal plane that is observed as a cant in 10% of the cases.
- If the suture is fused, the mini-screws might bend or even get loose.