Findings of a Four-Year Randomized Controlled Clinical Trial Comparing Two-Piece and One-Piece Zirconia Abutments Supporting Single Prosthetic Restorations in Maxillary Anterior Region

Table 2

Number of implants	Implant dimensions	One-piece restorations	Two-piece restorations
33	4.00 mm–9.5 mm	21	12
18	4.00 mm–11 mm	10	8
9	3.3 mm–9.5 mm	4	5
6	3.3 mm–11 mm	4	2
3	4.5 mm–9.5 mm	2	1
5	4.5 mm–11 mm	4	1