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Abstract
The literature reports evidence of various types of correlations between cervical alterations and cervical pain, and the existence of cervical pain in subjects with temporomandibular joint internal derangement (TMD). The hypothesis of this study is that cervical lordosis angle (CVT/EVT angle) alteration on cephalometrics could be correlated to the presence of TMD. The cephalometric records of 50 females with documented TMD were compared with those of a control group of 50 females. The subjects in the sample were 25-35 years of age, average 28.9 years (SD, 3.2). Radiographs were taken in mirror position, and seventeen variables, including the CVT/EVT angle, were traced. Double measurements were made to evaluate method error using Dahlberg’s formula. Pearson’s correlation coefficient and Mann-Whitney’s t-test were used to evaluate the data. Intra-group analysis showed significant correlations between the CVT/EVT angle and mandibular length (p<0.01), mandibular position (p<0.05), mandibular divergence (p<0.01), and overjet (p<0.01) in both groups. Between groups, the analysis showed significant differences in CVT/EVT angle (p<0.05), maxillary protrusion (p<0.01), mandibular protrusion (p<0.01), mandibular length (p<0.01), mandibular divergence (p<0.05), and overbite (p<0.05).
Additional information
Notes on contributors
Michele D’Attilio
Dr. Michele D’Attilio received his D.D.S. degree in 1987 from the Faculty of Dentistry, University of L’Aquila, Italy. He has been a researcher in the Department of Orthodontics at the University of Chieti, Italy, since 2000 and is chairman of Orthodontics I. Dr. D’Attilio has written many clinical and research articles.
Ettore Epifania
Dr. Ettore Epifania is currently an associate professor at the University of Napoli. Dr. Epifania has written many clinical and research articles.
Fabio Ciuffolo
Dr. Fabio Ciuffolo received his D.D.S. degree in 2001 from the Faculty of Dentistry, University of Chieti, Italy. Since 2001, he has been an assistant at the Department of Gnathology and Orthodontics at the same university. He attends a fellowship in oral pathology prevention.
Vincenzo Salini
Dr. Vincenzo Salini received his M.D. degree in 1999 from the Faculty of Medicine, University of Chieti, Italy and a degrees in orthopedics and sporting medicine in 1996 and 2000, respectively. Dr. Salini is a orthopedic doctor in the Orthopedic Division at the Hospital of Chieti, Italy.
Maria Rita Filippi
Dr. Maria Rita Filippi received her D.D.S. degree in 1992 from the Faculty of Dentistry, University D’Annunzio, Chieti, Italy. She is currently an assistant in the Department of Orthodontics and Gnathology at the same university.
Marco Dolci
Dr. Marco Dolci received his M.D. degree in 1989 from the University of Rome, and a specialty in maxillofacial surgery in 1994 from the University of Verona. He has been a researcher at the same university since 1996. Dr. Dolci is an associate professor at the University of Chieti and a member of the Italian Association of Maxillofacial Surgery. He has authored many clinical and research articles.
Felice Festa
Dr. Felice Festa is Director of the Department of Orthodontics and Gnathology, School of Dentistry and a professor of orthodontics at the University of Chieti, Italy. He is also Director of the Post Graduate Courses in Clinical Gnathology and Orthodontics at the same university. He received his M.D. degree from the University of Rome in 1979, a D.D.S. degree from the University of Rome in 1982, and earned an M.S. in orthodontics in 1985 from the University of Cagliari. In 2001, he was nominated National Referee Professor in Orthodontics at the Professor National College. Dr. Festa has authored many clinical and research articles and is a former reviewer for CRANIO: The Journal of Craniomandibular Practice.
Simona Tecco
Dr. Simona Tecco received her D.D.S. degree in 1999 from the Faculty of Dentistry, University of Chieti, Italy. Since then she has been an assistant in the Department of Orthodontics and Gnathology at the same university. Dr. Tecco is attending a fellowship in oral pathology prevention.