Table 1 Specification of excluded studies after full-text analysis

Surgical technique (e.g., vertical augmentation, split crest):

[14, 21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36]

Maxilla or jaw not specified:

[15,16,17, 37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52]

< 5 mandibular patients:

[53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71]

Follow-up < 6 months:

[18, 72,73,74,75,76,77,78,79,80,81]

Study population or design:

[82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98]