Document Detail


Crown heights in the permanent teeth of 45,X and 45,X/46,XX females.
MedLine Citation:
PMID:  24882680     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Abstract Objective. Previous results regarding human sex chromosome aneuploidies have shown that the X and Y chromosomes affect tooth size and morphology. This study looked for the effect of sex chromosome deficiency on permanent tooth crown heights. Materials and methods. The material, from the Finnish KVANTTI Research Project, consisted of 97 45,X females and 15 45,X/46,XX females. The controls were 32 sisters and 28 mothers of the 45,X females, eight sisters and two mothers of the 45,X/46,XX females and 35 female population controls. Crown heights of all the available teeth except third molars on both sides of the jaws were measured from panoramic radiographs with a digital calliper according to the defined procedure. Results. The tooth crown heights were significantly smaller in the 45,X females than in the female population controls, except for the incisors and one canine in the maxilla, whereas the tooth crown heights of the 45,X/46,XX females were close to those of the normal control females. The differences between the 45,X and 45,X/46,XX females were statistically significant, excluding the upper incisor area and a few teeth in the mandible. Conclusions. The effect of the sex chromosome deficiency on permanent tooth crown height is due to the magnitude of lacking sex chromosome material. The present results regarding the 45,X females are parallel to previous findings in Turner patients regarding reduced mesiodistal and labiolingual dimensions and tooth crown heights in the permanent dentition.
Authors:
Raija Helena Pentinpuro; Raija Eliisa Lähdesmäki; Ahti Olavi Niinimaa; Paula Ritva Orvokki Pesonen; Lassi Juhani Alvesalo
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-6-2
Journal Detail:
Title:  Acta odontologica Scandinavica     Volume:  -     ISSN:  1502-3850     ISO Abbreviation:  Acta Odontol. Scand.     Publication Date:  2014 Jun 
Date Detail:
Created Date:  2014-6-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370344     Medline TA:  Acta Odontol Scand     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1-9     Citation Subset:  -    
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