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Orthodontic Appliances

palatal_expanderPalatal Expander

A palatal expander is an appliance that fits into the roof of your mouth (palate). It widens your palate to improve the way your upper and lower jaws and teeth fit together (your bite) and makes room for your teeth. You wear a palatal expander for about four months. During the first few weeks, you or Dr. Engstrom will activate (expand) the appliance.

Class II Correction Appliances: Herbst and MARA

One of the most common problems orthodontists treat is the discrepancy that occurs when the upper teeth protrude beyond the lower. Ordinarily, when we see a patient with the upper teeth protruding, we tend to think that the upper jaw and teeth are too far forward; but, more often than not, this condition is due to a small lower jaw that is further back than it should be. With these patients, we would like to encourage the lower jaw to catch up in growth, and braces with the Herbst appliance or the MARA appliance help this happen.

herbst
Herbst
mara
Mara

llaLower Lingual Arch

The lower lingual holding arch is a holding appliance. It prevents the permanent molars from shifting forward allowing crowded teeth to spread out. It remains in place until permanent teeth begin erupting. Two bands are cemented to two lower molars. Attached to the bands is a U-shaped bar.

nanceNance Appliance

The Nance Appliance is used to prevent upper molars from rotating or moving forward. Some patients wear the Nance Appliance while they are awaiting their bicuspids to grow into place.

The appliance is made of two bands that are cemented onto the first molars and a wire spans the roof of the mouth from one molar to the other. An acrylic pad or "button" covers the wire that touches the roof of your mouth directly behind your front teeth.

Patients should always brush around the bands daily. Do not eat sticky, chewy candy as it can loosen your appliance.

headgearHeadgear

Headgear is often used to correct an excessive overbite or underbite. This is done by placing pressure on the upper teeth and jaw, which would hold the teeth in position or help move them into better positions. The severity of the problem determines the length of time headgear needs to be worn. The key to success with your headgear appliance is consistency. Headgear must be worn a certain number of hours per day, and if not, it must be made up the following day. Headgear should never be worn while playing sports and should also be removed while eating or brushing your teeth

revheadgearphotoFacemask

Often referred to as reverse-pull headgear, the protraction facemask is a removable appliance for patients where the upper jaw is not growing fast enough, resulting in a cross bite or underbite. The device consists of a metal bar attached to pads on the forehead and chin with rubber bands hooked to the face mask and the upper braces to gradually move the upper jaw forward. Patient compliance is extremely important as the face mask must be worn a set number of hours per day or more to obtain the desired results.

tadTemporary Anchorage Devices (TADS)

One of the many important advances in orthodontics has been the development of temporary anchorage devices, or TADs. Made of a bio-compatible titanium alloy, TADs are miniscrew anchors which are inserted into specific places in the mouth to be used as a fixed point from which teeth can move. Before TADs, orthodontists who wanted to move some teeth while keeping others still, or to achieve orthodontic movement in a mouth with missing teeth, had to rely on headgear for their fixed point. But TADs now provide an option for that fixed point that is smaller, more discrete, more efficient and requires significantly less work for the patient.

Temporary anchorage devices may not be recommended for everyone, and in fact, anchorage devices are not needed in most cases.

thumbThumb/Finger Appliance

Sucking is a natural reflex that relaxes and comforts babies and toddlers. Children usually cease thumb sucking when the permanent front teeth are ready to erupt. Typically, children stop between the ages of 2 and 4 years. Thumb sucking that persists beyond the eruption of primary teeth can cause improper growth of the mouth and misalignment of the teeth.

One solution to thumb sucking is an appliance called a "fixed palatal crib". It's placed behind on the upper teeth on the roof of the mouth. The crib consists of semicircular stainless steel wires that are fastened to molars using steel bands. The stainless steel wires fit behind the child's upper front teeth, and they are barely visible. The crib usually stops the habit of thumb sucking within the first week.

Engstrom Orthodontics

  • Raleigh Office - 7200 Falls of Neuse Rd., Suite 201, Raleigh, NC 27615 Phone: 919.870.4443 Fax: 919.870.9434
  • Fuquay Varina Office - 421 Old Honeycutt Rd., Fuquay Varina, NC 27526 Phone: 919.870.4443 Fax: 919.552.9931

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