Table 1 Skeletal anchorage systems

Mandibular TADs

Aarhus™ (MediconeG, American Orthodontics)

1.6 × 6 mm

30° apical angle

Between the mandibular canine and the lateral incisor labially

• Self-drilling

• No irrigation

• Local anesthesia (2% lignocaine with 1: 80,000 adrenaline) was used

• Pre-insertion swabbing with 0.12% chlorhexidine solution (Savacol, alcohol-free, Colgate).

• Insertion was complete when the head of the TAD was flushed with the labial mucosa.

• Postoperative daily use of 0.12% chlorhexidine solution (Savacol, alcohol-free, Colgate).

Maxillary TADs

Mondeal™ (GAC)

2 × 9 mm

90° angle

Anterior para-medial region

• Pre- (pilot) drilling of 1.5-mm holes

• Surgical hand piece (speed 800 rpm)

• Sodium chloride irrigation