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Skeletal maturation and predicted adult height in adolescents with temporomandibular joint osteoarthritis

Hong, SW | Lee, JK  | Kang, JH
Journal of oral rehabilitation, 46(6). : 541-548, 2019
Journal Title
Journal of oral rehabilitation
BACKGROUND: The occurrence of osteoarthritis (OA) of the temporomandibular joint (TMJ) in juveniles could be associated with fluctuating levels of oestrogen and growth hormone (GH) during adolescence.
OBJECTIVE: To investigate extent of skeletal maturation and predicted adult height in adolescents with TMJ OA.
METHOD: In total, 155 adolescents (54 males, 101 females: mean age, 14.1 +/- 2.0 years) were enrolled. Among them, 19 adolescents (CON) showed no sign of TMD, 50 adolescents exhibited signs of disc displacement but did not have TMJ OA (TMDnoOA), 23 adolescents exhibited the initial stage of TMJ OA (TMJOAini) and 63 adolescents exhibited the severe stage of TMJ OA (TMJOApro). TMJ OA was diagnosed based on the Research Diagnostic Criteria axis I and bone age was estimated using the Greulich-Pyle method. The height, weight and body mass index of participated adolescents were measured and statistically converted to z-scores. The predicted adult height and age of peak height velocity (APHV) were calculated using the BoneXpert(R) software.
RESULTS: In female adolescents, the differences between the chronological and bone ages were significantly higher and the z-score for height was significantly lower in the TMJOApro. Female adolescents with TMJOA exhibited a significantly shorter predicted adult height and earlier APHV than those in the CON and TMDnoOA.
CONCLUSION: The adolescents with TMJ OA exhibited premature skeletal maturations and short predicted adult stature, particularly the female adolescents.

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Journal Papers > School of Medicine / Graduate School of Medicine > Dentistry
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