Long-term observation of autotransplanted teeth with complete root formation in orthodontic patients.
BACKGROUND
The objective of this investigation was to examine the factors influencing the long-term prognosis of autotransplanted teeth with complete root formation.


METHODS
Thirty-eight teeth, autotransplanted in 32 patients, were examined more than 6 years after transplantation. Periodontal health, condition of restoration, mobility, occlusal contact, level of gingival margin, and course of orthodontic movement were investigated clinically and with radiographs.


RESULTS
More than 6 years after autotransplanation, 33 teeth survived in 27 patients. The survival rate was 86.8% (mean observation time, 9.2 years). Abnormal findings were observed in 9 teeth, so the success rate was 63.1%. An inadequate root filling tended to give rise to abnormal findings.


CONCLUSIONS
The success of autotransplantation of a tooth with complete root formation is affected by the quality of root filling. When possible, clinicians should consider autotransplantation before root formation is complete.
Division of Orthodontics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan. yohei@dent.niigata-u.ac.jp
Yohei
Y
Watanabe
Tamaki
T
Mohri
Masaki
M
Takeyama
Masaki
M
Yamaki
Takashi
T
Okiji
Chikara
C
Saito
Isao
I
Saito
D000293:Adolescent; D000328:Adult; D002648:Child; D003766:Dental Occlusion; D003774:Dental Plaque Index; D017266:Dental Prosthesis / Q000145:classification; D017267:Dental Prosthesis Design; D005260:Female; D005500:Follow-Up Studies; D017823:Furcation Defects / Q000145:classification; D005881:Gingiva / Q000473:pathology; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D009805:Odontogenesis / Q000502:physiology*; D010483:Periapical Diseases / Q000145:classification; D010512:Periodontal Index; D010514:Periodontal Pocket / Q000145:classification; D012390:Root Canal Therapy / Q000379:methods; D012391:Root Resorption / Q000145:classification; D015996:Survival Rate; D014070:Tooth / Q000637:transplantation*; D014086:Tooth Mobility / Q000145:classification; D014087:Tooth Movement Techniques / Q000379:methods*; D014092:Tooth Root / Q000502:physiology*; D014182:Transplantation, Autologous; D016896:Treatment Outcome; D055815:Young Adult