['This study evaluates if clinical tests that are commonly used to evaluate tissues surrounding natural teeth are equally valid in clinical evaluation of dental implants.', 'A retrospective clinical study.', 'Department of Oral and Maxillofacial Surgery, Prosthodontics and Special Dental Care of the University of Utrecht.', 'The use of a plaque index, a gingival index, probing depth measurements and the Periotest was evaluated by relating the findings to the image on a radiograph in 16 patients, involving 32 IMZ implants.', 'The four clinical tests show poor sensitivity and in general only fair specificity.'] Do [ Reliability of some clinical parameters in implant dentistry ]?