Implants and Anchorage / orthodontic courses by Indian dental academy

www.indiandentalacademy.com

INDIAN DENTAL ACADEMY

Leader in continuing dental education www.indiandentalacademy.com

IMPLANTS & ANCHORAGE

To preserve what is normal

To prevent the undesired movement

To get the desired movement

To keep it as intra oral as possible

THE BIGGEST CHALLENGE


Innumerable attempts and innovations

Success very subjective

Dogmatic following

The latest in the inventorywww.indiandentalacademy.com


Versatility in providing anchorage

Helping in bringing about tooth movements which have been of a great challenge to the orthodontist like intrusion of upper and lower molars


Being as intraoral as possible

Less invasive though it is a surgical procedure


SKELETAL ANCHORAGE

SYSTEM


For Orthopedic correction

Transverse Vertical Sagittal


For Orthodontic correction

Aligning

Leveling

Retraction


Pre-Christian era - Artificial materials

~1945, Vitallium screws

~1970, Linkow-Endosseous blade implants Carbon implants (Osseointegration ?)

~1975, Kawahara et al Bioglass coated ceramic implants

~1977, Branemark et al-Osseointegration Hydroxy apatite

crystalswww.indiandentalacademy.com

~1983, Creekmore possibility of skeletal anchorage

~1989, Roberts – titanium implants

~1991, Higuchi & James – Titanium fixtures

~1998, Costa et al – Miniscrews

~1999, Umemori et al – SAS for open bite

~2003, Giuliano Maino


CLASSIFICATION~Based on position

Sub-periosteal

Transosseous

Endosseous





SPECIFICITY

~Maximum load >< quantity of

Osseointegration dependent on surface area

& tissue contact

TIME OF LOADING

~4-6 months after fixation


THE DIMENSIONS OF THE IMPLANT SHOULD BE CONGRUENT WITH THE AMOUNT OF BONE AVAILABLE AT THE POINT OF INSERTION

~3-4mm in diameter

~6-10mm in length

~Length >< 1/ Diameter








MINIPLATES


TYPES OF MINIPLATES

L shaped Titanium

Y-shaped Ti

Straight Ti


ANATOMICAL SITES

Mandibular body- intrusion

Retromolar pad- distal movement

Key ridge- distalization

Anterior ridge of piriform opening- intrusion


SURGERY & HEALING TIME

Local anesthesia

Elevate mucoperiosteal flap

Bone exposed

Plates fixed


Application of FORCE ?

Wound healing !


Prophylaxis

~Antibiotics

~Antiseptic mouthrinses

~Oral hygiene


MECHANICS

A rectangular archwire to conserve torque

Elastic thread (3-4 weeks)

Steel ligatures























Thank you

For more details please visit www.indiandentalacademy.com


Implants and Anchorage / orthodontic courses by Indian dental academy

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