Disclosure

The concepts expressed on this lecture are based on my studies, the

current scientific evidence and clinical experience.

They do not represent the teaching philosophy at the College of Dentistry,

University of Manitoba

Increase

Total

Length

0

20

40

60

80

100

120

140

10.89 9.065.52 5.56 3.8

31.24

34.8331.24

60.59

71.48

80.4285.94

91.595.3

126.54

0.4 1 2 3 4 5 16Age

Modified from Liu Yi-Ping, Behrents Rolf G, Buschang Peter H.

Mandibular growth, remodeling and maturation during infancy and early

childhood. Angle Orthod 2010; 80: 97-105

Co-Gn

Distance

Is this the ideal

moment

to start

treatment?

Ramirez-Yañez G.

Treatment of anterior crossbite in primary

dentition with esthetic crowns: report of 3

cases.

Pediatr Dent. 2011 Jul-Aug;33(4):339-42.

Anterior crossbite treatment changes

the direction of the occlusal force,

affecting the periodontal receptors,

which modify the response of the

trigeminal nerve and the muscular

activity

Sohn et al. 1997. Changes in jaw movement and jaw closing

in muscle activity after orthodontic correction of incisor

crossbite. Am. J. Orthod. Dentofacial Orthop. 112: 403

ZR - May 4, 2010

ZR - May 24, 2010

ZR – August 27, 2010

TAR 11.5µV TAL 11.8µV MMR 4.8µV MML 5.8µV

OOS 5.2µV ME 4.9µV DAR 0.4µV DAL 33.7µV

TAR 17.9µV TAL 24.6µV MMR 16.7µV MML 31.0µV

OOS 5.7µV ME 7.4µV DAR 11.4µV DAL 13.1µV

May 4, 2010

Aug 27, 2010

May 4, 2010 – August 27, 2010 - Nov 12, 2012

INFANT TRAINER T4I

&

LIP TRAINER

DevelopmentDiferentiation – Maduration

GrowthIncrease in mass and size

AdaptationPlasticity & Compensatory Growth

2 g/cm²

2 g/cm²

2.7 g/cm²

1 g/cm²

Thuer U et. al. 1999 Cheek and tongue posture in the molar areas and the atmospheric pressure

in the palatal vault in young adults. Eur J Orthod 21: 299-309

21 g/cm²

1 g/cm²

80 g/cm²

FIRSTLY,

CONTROL THE HABIT THEN,

USE THE TRAINER

HABITS

MANAGEMENT

NEURAL STIMULATION

PLANAS’ DIRECT TRACKS

POSTERIOR CROSSBITE

PLANAS’ DIRECT TRACKS

POSTERIOR CROSSBITE

Ramirez-Yañez, G.O. J Clin Orthod 2003; 37(6): 294-8

The earliest a malocclusion is

corrected, the better and the

simpler treatment is

PLANAS’ DIRECT TRACKS

Bone-Muscle Unit

Signals

Loads

Biological

Responses

Hormones

Cytokines

Modelling

Remodelling

Biomechanic

Feedback

Jee WSS. J Musculoskel Neuron Interact 2000; 11-13

Forwood MR, Osteoporosis Int 2001; 12:77-83

Frost HM. Angle Orthod 2004; 74:3-15

The Modus Operandi of the Trainer to correct malocclusions?

Change the posture of themandible

Usumez, 2004

The Modus Operandi of the Trainer to correct malocclusions?

Stimulate transversedevelopment

Ramirez-Yañez, 2007

THE FUTURE OF ORTHODONTICS

IS NOT ONLY THERAPY AND

INTERCEPTION

BUT ALSO PREVENTION

Petrovic AG, Stutzmann JJ. Research methodology and findings in applied

craniofacial growth studies. In: Dentofacial Orthopedics with Functional

Appliances, 2nd Edition Graber TM, Rakosi T, Petrovic AG. Mosby 1997

Thank you for taking careof my teeth and myFACIAL GROWING

issues !!!

OBSERVE THE MOUTHOF THE CHILD,

NOT ONLY THE TEETH

LISTEN TO THE NEEDS OF THE CHILD

REMEMBERWE CAN INTERCEPT AND

PREVENT MANY DEVELOPING ISSUES IN

CHILDREN

Mizaru Kikazaru Iwazaru