ABSTRACT
We believe that biostereometrics can be useful to the craniofacial surgeon in providing a highly accurate, reproducible diagnostic and presurgical tool that is inexpensive and noninvasive. It can help visualize complex pathologic bony abnormalities, resolve ambiguous CT scans, and predict soft-tissue changes secondary to alterations in bony contours when used in conjunction with CT scans and cephalograms.
Subject(s)
Face , Photogrammetry , Skull , HumansSubject(s)
Temporal Bone/anatomy & histology , Adolescent , Adult , Cephalometry , Child , Child, Preschool , Female , Humans , Male , Sex Factors , Temporal Bone/growth & developmentSubject(s)
Cephalometry , Sphenoid Bone/anatomy & histology , Temporal Bone/anatomy & histology , Adolescent , Child , Child, Preschool , Ethmoid Bone/anatomy & histology , Humans , Mastoid/anatomy & histology , Maxilla/anatomy & histology , Maxillofacial Development , Occipital Bone/anatomy & histology , Orbit/anatomy & histology , Parietal Bone/anatomy & histology , Sella Turcica/anatomy & histology , Temporomandibular Joint/anatomy & histologyABSTRACT
A longitudinal sample of children was examined for timing and sequence of eruption of permanent teeth. Separate consideration was given to 124 boys and 163 girls from the Child Study Clinic longitudinal growth study. Girls show more variability in age at eruption than boys, and eruption is generally earlier in girls. The degree of variation in sequences of eruption of the first seven permanent teeth is distinct. The most common sequence in girls' maxillas occurred in only 11.4% of subjects; in boys, the most common sequence appeared in 13.4% of subjects. Predictability efficiency of eruption of the first three permanent teeth is not higher than 0.74.