Radiographic outcomes following lateral alveolar ridge augmentation using autogenous tooth roots

  • Parvini P
  • Sader R
  • Sahin D
  • et al.
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Abstract

BACKGROUND: To assess and compare the radiographic outcomes following lateral alveolar ridge augmentation using autogenous tooth roots (TR) and autogenous bone (AB) blocks. METHODS: In a total of 30 patients, lateral ridge augmentation was conducted in parallel groups using either (1) healthy autogenous tooth roots (e.g., retained wisdom or impacted teeth) (n = 15) or (2) cortical autogenous bone blocks harvested from the retromolar area. Cone-beam computed tomographic (CBCT) scans taken at 26 weeks of submerged healing were analyzed for the basal graft integration (i.e., contact between the graft and the host bone in %) (BI26) and the cross-sectional grafted area (mm(2)) (SA26). RESULTS: Both groups revealed a comparable clinical width of the alveolar ridge at baseline (CWb). Mean BI26 and SA26 values amounted to 69.26 +/- 26.01% (median 72.44) and 22.07 +/- 12.98 mm(2) (median 18.83) in the TR group and 79.67 +/- 15.66% (median 78.85) and 12.42 +/- 10.11 mm(2) (median 11.36) in the AB group, respectively. Between-group differences in mean SA26 values were statistically significant (p = 0.031). Linear regression analysis failed to reveal any significant correlations between BI26 and CWb/SA26 values in either group. CONCLUSIONS: TR grafts may be associated with improved SA26 values following lateral alveolar ridge augmentation. TRIAL REGISTRATION: DRKS00009586 . Registered 10 February 2016.

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Parvini, P., Sader, R., Sahin, D., Becker, J., & Schwarz, F. (2018). Radiographic outcomes following lateral alveolar ridge augmentation using autogenous tooth roots. International Journal of Implant Dentistry, 4(1). https://doi.org/10.1186/s40729-018-0142-6

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