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Table II

Summary of factors and outcomes available presented by various authors in the literature.

Author/Year No. of impacted MM2 Age range MM2 root apices open/closed Inclination average deg. Third molars (extracted/present) Success Failure Complications
Owen (1998) [34] 4 6–12 Open 26–44 Extracted 4 0 None
Shipper and Thomadakis (2003) [19] 2 11 Open and Closed 65 Extracted 1 1 Necrosis, root resorption, tooth loss, root canal therapy, infection
Mcaboy et al. (2003) [14] 1 14 Open 65 Extracted 1 0 None
Padwa et al. (2017) [1] 19 11–15.2   122.6 ± 34.9 50% extracted 17 2 2 periapical radiolucency, 6 pulpal obliterations,1 root resorption
Pogrel and Anthony Pogrel (1995) [18] 22 11.7–17.9 Open   81.8% extracted 21 1 Tooth loss, periodontal infection and 10 teeth has arrested root formation.
Davis et al. (1976) [26] 22 10–17 Open and Closed 22.5–54 32% extracted 20 2 2 Follicular cysts supraeruption
Terry et al. (1993) [46] 16   Open     16 No No

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