@article{elham s. j. abu alhaija2006between,
  title={Relationship between tooth irregularity and periodontal disease in children with regular dental visits},
  author={elham s. j. abu alhaija,ahed m. s. al-wahadni},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={30},
  number={4},
  pages={296--298},
  doi = {10.17796/jcpd.30.4.gu76270w876250p4},
  year={2006}
}