Cephalometric Superimposition on the Occipital Condyles as a Longitudinal Growth Assessment Reference: I-Point and I-Curve

Weighted Curve Matching for Cephalometric Superimposition

A preliminary assessment of cephalometric orthodontic superimposition.

The superimposition of cephalograms is a valuable tool in orthodontics. In children this task is complicated by the fact that growth changes in the reference structures used in superimposition should be taken into consideration. In this study a new method of superimposition of cephalograms taken in the natural head position (NHP) was compared with Viazis' cranial base triangle and a reference g...

Cephalometric Superimposition

His famous dissertation, published in 1947, The Face in Profile. An Anthropological X-ray Investigation on Swedish Children and Conscripts, is an outstanding contribution. That monograph became the classic example for numerous scholars to follow so that, 25 years later, a second printing was necessary. research fellow and guest lecturer at Northwestern University in Chicago, Illinois. In 1958 h...

On the relations between the point spectrum of A and invertibility of I + f(A)B

Let A be a bounded linear operator on a Banach space X. We investigate the conditions of existing rank-one operator B such that I+f(A)B is invertible for every analytic function f on sigma(A). Also we compare the invariant subspaces of f(A)B and B. This work is motivated by an operator method on the Banach space ell^2 for solving some PDEs which is extended to general operator space under some ...

A longitudinal study of growth patterns in school children in Taipei area I: growth curve and height velocity curve.

BACKGROUND It has been pointed out that longitudinal rather than cross-sectional growth standards should be used to assess individual linear growth. The purpose of this study is to investigate the growth characteristics of school boys and girls living in Shih-Pai district in Taipei. METHODS A defined group of 1,139 healthy school children (570 boys and 569 girls) from the Shih-Pai district of...