maxillary tuberosity miniscrew · “the most frequently cited topic in recent years was...
TRANSCRIPT
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