Chemical vapour deposition processes, characterization of diamond coatings and applications.- Dental tools; tool geometry; diamond burrs; tooth material & cutting processes; environment.- Experimental procedures; materials; and process conditions.- Chemical vapour deposition onto flat substrates; effects of process parameters; deposition mechanisms; nucleation processes; use of interlayers; substrates pretreatments; mechanical abrasion, bias enhanced nucleation; time modulated CVD.- Deposition onto complex substrates; rods; microdrills; tools; and burs; HFCVD; VFCVD and PECVD methods.- Machining, drilling & cutting performances and life tests comparisons between various processes.- Conclusions.