Fixed Retention
Fixed retainers are generally placed on the lingual side of the lower anterior teeth, using a metal bar or wire bonded with composite resin. The new generation laser-sintered fixed lingual bars are easy to seat accurately and deliver an indestructible, biocompatible stable and hygienic solution with extremely low failure rates.
The fixed single-wire option is effective but with a higher failure rate than the lingual bar. Simpler to attach when a positioning matrix (silicone or clear resin) is utilised.

Indications for fixed retainers include:

1. Spacing
2. Lower anterior crowding more than 3mm
3. Rotational corrections of more than 15 degrees per tooth
4. Severe arch crowding with more than 2mm of arch expansion and/or 2mm of sagittal movement
5. Vertical movements of more than 1mm
6. Patients with poor or questionable compliance

Removable Retention

Removable retainers are an essential part of orthodontic treatment as they can be easily removed and are ideal for maintaining oral hygiene and avoiding difficulties in eating or speaking. Patients enjoy the flexibility in terms o f when and how long they need to be worn. After the initial months of full-time wear, many patients transition to wearing retainers only at night.

 

Indications for removable retainers include:

1. Minor adjustments – For teeth that need minimal retention.
2. Patients with good compliance – suitable for patients who will wear retainers as instructed.
3. Preserving minor transverse expansions.
4. Growing patients – allows for jaw growth while maintaining position.
5. Minimal overjet cases where fixed appliances are not suitable.
6. Patients who can’t tolerate fixed appliances.
7. Retention patients with TMD issues.