3. • Between maxillary 1st molar and 2nd premolar buccally.
• Purpose: Retraction of the maxillary anterior teeth, Intrusion of maxillary buccal teeth
• Diameter: 1,2 mm and 1,3 mm, Length; 7-8 mm .
• The mesio-buccal root of the maxillary 1st molars are curved mesialy. to avoid root injury
drill the bone somewhat mesial to the contact point between the 2nd premolar and 1st
molar .
http://pocketdentistry.com/chapter-2-miniscrews-and-biomechanics-in-orthodontics/
7a-Anterior retraction (Canine Incisors)
Oussama SANDID - Mohamad ABOUALNASER- Awatef SHAAR
4. 7b-Clinical Applications Miniscrews are used in
closure of extraction space
• Between maxillary 1st molar and 2nd premolar buccally.
• Purpose: Retraction of the maxillary anterior teeth, Intrusion of maxillary buccal teeth
• Diameter: 1,2 mm and 1,3 mm, Length; 7-8 mm.
• The mesio-buccal root of the maxillary 1st molars are curved mesialy. to avoid root injury drill the bone
somewhat mesial to the contact point between the 2nd premolar and 1st molar .
Oussama SANDID - Mohamad ABOUALNASER- Awatef SHAAR
5. 7c-Retraction Incisors canines
• Between maxillary 1st molar and 2nd premolar buccally.
• Purpose: Retraction of the maxillary anterior teeth, Intrusion of maxillary buccal teeth
• Diameter: 1,2 mm and 1,3 mm, Length; 7-8 mm.
• The mesio-buccal root of the maxillary 1st molars are curved mesialy. to avoid root injury drill the bone
somewhat mesial to the contact point between the 2nd premolar and 1st molar .
Oussama SANDID - Mohamad ABOUALNASER- Awatef SHAAR
6. 7d-Retraction of anterior teeth
• Increased overjet and/or anterior crowding, Normal or increasedoverbite.
• Buccal mini-implants (1.5mm diameter, 9mm length, short neck) inserted in U5-6 areasbilaterally.
• Powerarms (on a 19x25 steel archwire) to assist bodily incisor retraction and limit intrusive effects on
maxillary molars.
https://www.ortodoncia.ws/publicaciones/2014/art31.asp
Oussama SANDID - Mohamad ABOUALNASER- Awatef SHAAR
11. • Between Maxillary incisors facially
• Purpose: Intrusion and Torque control of maxillaryIncisors.
• Diameter : 1,3 mm-1,6 mm, Length; 6-7 mm.
7i-Miniscrews for upper incisor intrusion
Oussama SANDID - Mohamad ABOUALNASER- Awatef SHAAR
13. • Gummy smile Deep Bite
7l-Mini-screw Application For Gummy Smile Correction
Oussama SANDID - Mohamad ABOUALNASER- Awatef SHAAR
14. 7n- Molar intrusion, Open bite
For intruding lower molars, an elastomer can be connected to the buccal TAD and the wire. This
photo shows the simultaneous A-P retraction and vertical intrusion from a single buccal TAD
Types Miniscrews….. Dimensions ….. Angulation…. Location….
Cheol-Ho Paik, https://www.aaoinfo.org
Oussama SANDID - Mohamad ABOUALNASER- Awatef SHAAR
15. 7p-Molar intrusion
• TPA with crown lingual torque and buccal mini-implants to intrude the molars
• Dimension: Diameter 1,6mm Length 6mm
Tae –Woo Kim
http://www.slideshare.net/marwanmouakeh/anterior-open-bite-treatment-in-the-permanent-dentition-part-2-63901035?qid=c179a1bc-7522-48b4-8bc0-fce9926f5e93&v=&b=&from_search=9
Oussama SANDID - Mohamad ABOUALNASER- Awatef SHAAR
16. 7q-Molar intrusion
• 1 Midpalatal and 2 buccal mini-implants with TPA to intrude molars
• Dimension: Diameter 1,6 and Length 6-8mm
Tae –WooKim
Oussama SANDID - Mohamad ABOUALNASER- Awatef SHAAR
17. 7r-Temporary Anchorage Devices in
Orthodontics
Occlusal Plan
O Sandid
Oussama SANDID - Mohamad ABOUALNASER- Awatef SHAAR
20. 7q-Microimplants Between mandibular 1st and
2nd molarsbuccaly
• Purpose: Retraction of mandibular anterior teeth, En masse retraction
Intrusion and distalalization of the mandibularmolar
• Diameter; 1,2-1,4 mm . Length: 5-7 mm.
• Placement: Vertical
Oussama SANDID - Mohamad ABOUALNASER- Awatef SHAAR