Table 4.

List of excluded articles with reasons for exclusion

Excluded articles	Reason for exclusion
Anitua et al., 2008[31]	Modified implant surface with growth factors
Mansour and Kim 2010[32]	Review article
Anitua 2001[33]	Case series
Gheno et al., 2014[34]	Case series
Neamat et al., 2017[35]	Case report
Sohn 2009[36]	Case series
Del Fabbro et al., 2009[37]	Coated implant surface with platelet rich growth factors
Huang et al., 2018[38]	Study does not use implants
Kim et al., 2011[39]	Full text in Chinese language, only abstract available in English
Javid et al., 2019[40]	Case series