One-Year Multicenter Randomised Controlled Trial Comparing OT Equator® and Locator Attachments to Retain an Early Loaded Implant Overdenture on Two Implants

Table 1

Exclusion criteria.

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General contraindications to oral surgery

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Pregnant or nursing

Intravenous bisphosphonate therapy

Alcohol or drug abuse

Heavy smoking (≥20 cigarettes/day)

Radiation therapy to the head or neck region within the last five years

Parafunctional activity

Untreated periodontitis

Psychiatric therapy or unrealistic expectations

Immunosuppressed or immunocompromised

Lack of opposite occluding dentition/prosthesis

Acute infection in the area intended for implant placement

Need for bone augmentation

Poor oral hygiene and motivation (full-mouth bleeding on probing (BoP) and full-mouth plaque index [PI] higher than 25%)

Patients participating in other studies, if the present protocol cannot be properly followed

Patients referred only for implant placement or unable to be followed for three years

Allergy or adverse reactions to the restorative materials

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