According to Proffit, the gingival margin on the maxillary lateral incisor should be 1.5mm lower than the central incisors and canines. That follows the concept of LOW-HIGH-LOW.

What is the most frequent etiologic factor for unilateral posterior lingual cross bite?

Let , , and  be 

Let  and  be 

Which of the following sets are subspaces of ? (1) 

Fin the reduced row echelon matrix that is row equivalent to the following matrix: 

For what values of  and  does the following system have infinitely many solutions? 

Which of the following sets of vectors is linearly independent? 

The following is the augmented matrix of a linear system of equations: 

Assume det  where  Find the determinant of the matrix