Dr. Vanessa Paredes

Class II with vertical discrepancy:Make it easy, use TADS!

LA July, 2019August, 2018

“The most frequently cited topic in recent years was mini-implants”

Current trends in Orthodontic Journals

1 PALATAL Area

2 INFRAZYGOMATIC CREST (IZC)

3 MAXILLLARY TUBEROSITY or RETROMOLAR

Miniscrew location Anteroposterior discrepancy

1. Gum and bone quality: width, height and length

2. Driver, insertion torque and orthodontist skills

3. Miniscrew head, length and diameter

4. Appropriate biomechanics

5. Inclination, distance to the roots and height of the miniscrew

6. Load force

7. Time from miniscrew placement to loading

8. Time from third molar extraction to miniscrew placement

Maxillary tuberosity miniscrews. 8 key points to succeed

1. Gum and bone quality1 LAMAXILLARY TUBEROSITY MINISCREW

Width Height Length

Straight / Angled Motor handpiece

Straight Screwdriver

1. Driver, insertion torque and orthodontist skills 2 LAMAXILLARY TUBEROSITY MINISCREW

yes

CLASS II WITH VERTICAL DISCREPANCY: MAKE IT EASY, USE TADS!Dr. Vanessa Paredes

1. Miniscrew head, length and diameter3 LAMAXILLARY TUBEROSITY MINISCREW

Head: Several Length: 10-12mm Diameter: 1.6-2.0mm

1. Appropriate biomechanics4 LA

Slight distal angulationRoot damage Distalization limitation

1. Inclination, distance to the roots and height of miniscrew5 LA

YES

A B C

NO NO

Distalize molars

1. Inclination, distance to the roots and height of miniscrew5 LA

Distalize + intrude molarsA B

6. Load force. 2 - 4 oz

7. Time from miniscrew placement to loading. Immediate loading

8. Time from miniscrew placement to third molar extraction.3 months

August, 2004

Analysis of the perception of smile esthetics in Spanish population

August, 2018

A gummy smile exposure of 3 mm or more is not esthetically pleasing

CLASS II WITH VERTICAL DISCREPANCY: MAKE IT EASY, USE TADS!Dr. Vanessa Paredes

1 Direct anchorage: Incisor AREA

2 Indirect anchorage

Miniscrew location Vertical discrepancy

intrusion 1 or 2 TADS

A

intrusion 1 TAD

B

occlusal plane canting 1 TADS

UPPER INCISORS

intrusion 2 TADS

LOWER INCISORS

1. Gum and bone quality

2. Driver, insertion torque and orthodontist skills

3. Miniscrew head, length and diameter

4. Appropriate biomechanics

5. Inclination and distance to the roots

6. Load force

7. Time from miniscrew placement to loading

8. Radiographic control

Incisor area miniscrews. 8 key points to succeed

1. Gum and bone quality1 LAMAXILLARY TUBEROSITY MINISCREW 1. Appropriate biomechanics4 LA

1 TAD in midline

More protrusion Less intrusion

Less protrusion More intrusion

2 TADS between laterals and canines

CRCR

A B

yes

INCISAL INCLINATION PERPENDICULAR TO ROOT

1. Inclination and distance to the roots5 LA

yes

A B C

APICAL INCLINATION

NO

6. Load force. 1- 2 oz

7. Time from miniscrew placement to loading. Immediate loading

CLASS II WITH VERTICAL DISCREPANCY: MAKE IT EASY, USE TADS!Dr. Vanessa Paredes

CLASS II WITH VERTICAL DISCREPANCY: MAKE IT EASY, USE TADS!Dr. Vanessa Paredes