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Sheep have many practical advantages compared with other animal models. However, their specific oral biomechanics inherent to their constant ruminant activity accounted for a high degree of the reported implant failures. Important adaptations to the implantation technique and postoperative management will be necessary to use sheep as an animal model for future oral implant related experiments.

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Partial tooth replacement therapy after maxillary P4 extraction provided good healing in the immediate post-surgical phase. Alveolar filling with bone substitute material significantly slowed post-extraction tooth drift but did not stop it completely. Clinical Relevance- Important changes occur in equine dentition after maxillary cheek teeth removal. Further longer term observations are needed to fully validate study findings.