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Jung, Ronald E.; Philipp, Alexander; Annen, Beat M.; Signorelli, Luca; Thoma, Daniel S.; Hämmerle, Christoph H.F.; Attin, Thomas; Schmidlin, Patrick
Journal of clinical periodontology, January 2013, Letnik: 40, Številka: 1Journal Article
Objective To evaluate the radiographic changes of the alveolar ridge following application of different ridge preservation techniques 6 months after tooth extraction. Materials and Methods Four treatment modalities were randomly assigned in 40 patients: β‐tricalcium‐phosphate‐particles with polylactid coating (β‐TCP), demineralized bovine bone mineral with 10% collagen covered with a collagen matrix (DBBM‐C/CM), DBBM‐C covered with an autogenous soft‐tissue graft (DBBM‐C/PG) and spontaneous healing (control). Cone‐beam computed tomography scans were performed after treatment and 6 months later. Results After 6 months, the vertical changes ranged between −0.6 mm (−10.2%) for control and a gain of 0.3 mm (5.6%) for DBBM‐C/PG on the lingual side, and between −2.0 mm (−20.9%) for β‐TCP and a gain of 1.2 mm (8.1%) for DBBM‐C/PG on the buccal side. The most accentuated ridge width changes were recorded 1 mm below the crest: −3.3 mm (−43.3%, C), −6.1 mm (−77.5%, β‐TCP), −1.2 mm (−17.4%, DBBM‐C/CM) and −1.4 mm (−18.1%, DBBM‐C/PG). At all three levels, DBBM‐C with either CM or PG was not significantly differing (p > 0.05), while most other differences between the groups reached statistical significance (p < 0.05). Conclusions Application of DBBM‐C, covered with CM or PG, resulted in less vertical and horizontal changes of the alveolar ridge as compared with controls 6 months after extraction.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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