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  • Title: [Evaluation of the results of high-speed handpiece and minimally invasive extraction in impacted mandibular third molar extraction].
    Author: Yang YY, DU SN, Lv ZK.
    Journal: Shanghai Kou Qiang Yi Xue; 2015 Aug; 24(4):489-92. PubMed ID: 26383579.
    Abstract:
    PURPOSE: To compare the results of high-speed handpiece and minimally invasive extraction in impacted mandibular third molar extraction. METHODS: From May 2011 to May 2014, 83 patients undergoing impacted mandibular third molar extraction were enrolled into the study and randomly divided into 2 groups: 42 patients in group A (experimental group) and 41 patients in group B (control group). Group B underwent extraction with traditional method and group A underwent high-speed handpiece and minimally invasive extraction of the impacted mandibular third molar. The occurrences of the root fracture, gingival laceration, tooth mobility, lingual bone plate fracture, jaw fracture and dislocation of temporomandibular joint during operation and lower lip numbness, dry socket, facial swelling and limitation of mouth opening after operation were observed and compared between 2 groups. The operation time, integrity of extraction sockets, VAS pain score and satisfaction from patients were collected and compared. SPSS 19.0 software package was used for statistical analysis. RESULTS: The occurrences of root fracture, gingival laceration, tooth mobility, lingual bone plate fracture, jaw fracture, and dislocation of temporomandibular joint during operation in group A significantly decreased compared with group B (P<0.05). The occurrences of lower lip numbness, dry socket, facial swelling and limitation of mouth opening after operation in group A significantly decreased compared with group B (P<0.05). The operation time, integrity of extraction sockets, VAS pain scores and satisfaction scores in group A improved significantly compared with group B (P<0.05). CONCLUSIONS: High-speed handpiece and minimally invasive extraction should be widely used in impacted mandibular third molar extraction, due to the advantages of simple operation, high efficiency, minimal trauma, and few perioperative complications.
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