Athens
Course on i-TTЯ Lingual System
7-8-9 November 2014

Prof. Aldo Macchi
Dr. Nunzio Cirulli
Dr. Matteo Beretta

FRIDAY 7th
Aesthetics in Dentistry
1. Aesthetics in orthodontics
2. Brief history of lingual orthodontics
3. Our Follow Up
The new i-TTЯ Bracket: 2 slots self ligating
1. Basic Tips of a i-TTЯ Bracket
The other Lingual Brackets
1. Principles and limits of lingual brackets
a. Dimensions
b. Mechanics of lingual brackets
c. Mechanics of 3D lingual brackets

Mechanics of i-TTЯ non edgewise brackets

COFFEE BREAK

Application principles of i-TT Я brackets
1. Morfological differences among the lingual surfaces and their influence on the 3D teeth control.
a. Tip of the lingual surface of the dental crowns
b. In-out tip of the teeth
c. Mesio-distal tip of the lingual comparing to the labial surface of the crown
d. wear of the incisal margin
e. Mesio-distal tip of the teeth
2. Lingual arch plane.
a. Bonding heights on the single tooth comparing to the vestibular plane
b. Lingual axis of the clinical crown
c. Relation between teeth crown-root axis and and their centre of resistence
d. The in-out
3. Reduced lingual surface: the half i-TT Я brackets:
a. Half vertical
b. Half orizzontal

LUNCH

Clinical Bonding
1. Direct application
2. Indirect traditional application
3. Auxiliaries transfer systems
4. The RM bond System
Basic lingual Ni-Ti archwire shape
1. Selection of the best archwire
a. Pre-formed archwires
b. 1° and 2° order bends on the Ni-Ti archwire
2. How to do 1° order bends on the Ni-Ti archwires
3. How to do 2° order bends on the Ni-Ti archwires
4. Hands on with 1° and 2° order bends

Biomechanics of i-TTЯ Insubria-System
1. Biomechanics, centre of resistance
a. Comparison between labial and lingual biomechanics
b. Intrusion control
c. Estrusion control
d. Rotation control
e. Tip control
f. Torque control
g. Spee curve levelling
2. The importance of the biomechanics during the clinical phases (step by step)
a. Lower Arch
i. Intrusion control
ii. Rotation control
iii. Tip control
b. Upper Arch
i. Intrusion control
ii. Rotation control
iii. Tip control
c. Occlusal anchorages
i. Funtional occlusal anchorage: the specificity of the i-TTR Insubria-System technique
ii. Lower arch as guide and starting point for the lingual orthodontic treatment

Hands on with i-TTя lingual technique
Pratical part on Typodonts: bending an ideal archwire.

SATURDAY 8th

Selective friction control
1. How to improve patient’s comfort
2. Arch length control
3. Intrusion mechanics control
4. Extrusion mechanics control
5. Opening and closing spaces

Auxiliaries of the Insubria-System technique
1. M.A.C.
2. Intrusive auxiliaries
3. Extrusive axiliaries

Indications for the treatment with i-TTЯ Insubria-System™ technique
1. Crowding of upper or lower arch
2. Cross bites
3. Anterior diastemas
4. Intrusion of the frontal teeth (upper and lower)

Nichel Titanium archwires mechanics
1. Shape memory archwires
2. Martensitic – Austenitic phases
3. Transforming temperatures.
4. The thermical treatments of the shape memory archwires and termo-mechanical procedures.
a. All Round effect
b. Bilateral effect
c. How to control the bends on the Ni-Ti archwires
d. The pliers to bend the lingual Ni-Ti archwires

COFFEE BREAK

Hands on with i-TTя lingual technique
Pratical part on Typodonts: bending closing loops, intrusion and extrusion archwires

LUNCH

3D diagnostic records
1.The new CT Cone Beam
2.Advantages of the tridimensional diagnosis
3.The softwares for the tridimensional diagnosis
4.Endodontic and periodontal diagnosis of the lingual cases
5.Cad Cam interactions
Virtual Set-up and i-TTя lingual technique
1. Complete 3D planning using CT Cone Beam
2. Digital casts in lingual orthodontics
3. Virtual set up
4. Cad Cam indirect application system
5. When it is possible to go with straight wire

Management of impacted canines
1. The traction test
2. Occlusal anchorage
3. Biomechanics

SUNDAY 9TH

Miniscrews in lingual orthodontics

Relapse and retention
1. Stability of treatment
2. Prevention of tertiary crowding
3. Management of retention: “engines test”
4. Relation between treatment, retention and MRI (magnetic resonance imaging)
5. Retention with Zirconia customized minipad : the Beatrice system

COFFEE BREAK

Labio-lingual orthodontics
1. Uprighting of lower molars
2. Intrusion of upper molars
3. Bodly movement of molars

M.A.C. plus
Indications for treatment of complex cases with i-TTR Insubria-System™ technique
1. Non extraction cases
2. Extraction cases
3. Case with torque control of a single tooth
4. Cases with anfitheatre torque control of the frontal teeth
5. Hybrid cases (vestibular and lingual)
Questions and Answers
Conclusions