Almustafa Alhumadi

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Questions related from Almustafa Alhumadi

It is possible to activate orthodontic force systems (arch wires, elastics, springs etc) with ?

Biomechanics Q It is possible to activate orthodontic force systems (arch wires, elastics, springs etc) with ? A. Forces only B. Moments only C. A combination of forces and...

11 April 2023 7,262 1 View

If the Moment of the Couple is larger than the Moment of the Force (not Zero), the Center of Rotation is at the ?

Biomechanics Q If the Moment of the Couple is larger than the Moment of the Force (not Zero), the Center of Rotation is at the ? 1. Root apex 2. Infinity 3. The bracket slot 4. The Center of...

08 April 2023 9,858 0 View

The position of the Center of Resistance of a tooth ?

Biomechanics Q The position of the Center of Resistance of a tooth ? 1. Cannot be altered 2. Will vary depending on the nature of tooth movement 3. Will vary in subjects with root...

08 April 2023 3,514 0 View

An arch wire engaged into two adjacent slots can be in Equilibrium with which of the following ?

Biomechanics Q An arch wire engaged into two adjacent slots can be in Equilibrium with which of the following? 1. Two equal and Opposite Forces only. True or False? 2. Two Unequal and...

05 April 2023 7,087 0 View

Isthe correction of the incisors root situation in the mixed den will play a role in guiding the emergence of the canine and preventing the impaction?

Is there a danger on the path of canines eruption due to the change in the direction of the incisors Root during the treatment with 2*4 in the mixed dentition, which is considered the guide for...

02 July 2020 8,878 3 View

Is constriction of the maxilla common in all malocclusion classes (I, II and III) ?

is constriction of the maxilla common in all malocclusion classes (I, II and III) ?

09 May 2019 3,925 8 View

Does keeping the same NITI wire inside the mouth more than 6 months change its strength or effectiveness?

30 April 2019 6,028 3 View