A comparative study of goat models for trans-alveolar sinus floor lift

Abstract

Abstract: PURPOSE:To explore the suitability of Shanghai local goats and Boer goats as animal models for trans-alveolar sinus floor elevation and dental implants in posterior maxilla. METHODS: Ten heads of Shanghai local goats and 10 heads of Boer goats were included in this study. Their maxillary sinuses were investigated by cone-beam CT (CBCT) scan. The width and available height of lateral part of the sinus were recorded. The membrane of sinus was examined by histological analysis. Independent samples t test was performed using SPSS21.0 software package. RESULTS: Both goats had maxillary sinus similar to that of humans. The sinus floor was divided into two parts by an anteroposterior bone crest. The width and available height of the lateral part of the sinus for Bore goats were significantly higher than for Shanghai local goats (P<0.05). CONCLUSIONS: As an animal model, Boer goat is more suitable for trans-alveolar sinus floor elevation. The midpoint of the maxillary first molar is an ideal site for trans-alveolar sinus floor elevation and implantation.

Key words: Animal models, Maxillary sinus, Sinus floor elevation, Dental implant

DAI Ye-yang, WANG De-fang. A comparative study of goat models for trans-alveolar sinus floor lift[J]. Shanghai Journal of Stomatology, 2015, 24(5): 410-414.

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