Bionator

Question 1

What’s the principle of BIONATOR??

Answer 1

It’s all abt TONGUE… tongue position mostly…
Equilibrium between TONGUE n CIRCUMORAL Muscles is responsible for the SHAPE of dental arch n INTERCUSPATION!
Thus Tongue position is responsible for certain types of malocclusions… Like…..

Posterior displacement of tongue ———+ Class 2 malocclusion… N..

Anterior displacement of tongue——–+ Class 3. N narrowing of the arches. N crowding in the anterior region… (Just imagine these statements…. So easy!! N so obv!!! )

Question 2

More detailed….

Answer 2

When Bionator is in oral cavity ——-+ positions the mand forward with incisors in edge to edge relation…. ——–+ enlarges the oral space n allows pt to attain a proper LIP SEAL…

Question 3

Bionator is tissue borne or tooth borne? N active or passive?

Answer 3

Tooth borne passive appl…

Question 4

Bionator – composition n dimensions??

Answer 4

Consists of 1 upper n 1 lower block held together… n…
Labial bow - 0.9 mm
Palatal bar - 1.2 mm

Question 5

Bionator or any MYOFUNCTIONAL Appliance for that matter are not useful in…???? N why? (LAWQF)

Answer 5

MYOFUNCTIONAL appliances deal with correction of SKELETAL Problems… N NOT dento-alveolar problems…

They can even, by adjusting the vertical height during bite registration… Can manipulate horizontal n vertical growth of MANDIBLE…

Question 6

Bionator types??

Answer 6

1. STD Bionator
2. Open bite Bionator..
3. Class 3 or REVERSE Bionator

Question 7

An open bite Bionator is used after the Rx of?

Answer 7

Skeletal Open bite..

 Over... Tongue thrusting N thumb sucking options....

But the explanation is controversial I think… So check!

Expl—

For correction of open bite…. Open bite Activator is used during growing phase of the pt… It is used to inhibit ABNORMAL POSTURE n FUNCTION of Tongue…

Question 8

The working principle of BIONATOR is??

Answer 8

Modulate the muscle…

N not activate n all!!