Evaluation of the Crestal Bone Expansion Obtained With the Magnetic Mallet® During the Preparation of the Implant Site

Inclusion Criteria: * Patients with maxillary mono-edentulism between the lateral incisor and the first upper molar with a bone crest measuring between 4-6 mm; * Insertion of conical implants with dimensions 3.80 x \> 10 mm; * Correct occlusal relationships between upper and lower jaw; * Patients willing to cooperate and follow the instructions given by the clinicians. Exclusion Criteria: * Smokers \> 15 cigarettes per day; * Patients with systemic diseases; * Irradiation to the head/neck region within 12 months prior to surgery; * Pregnancy or breastfeeding; * Poor oral hygiene and lack of motivation to return for checkups; * Edentulous area for less than 1 year; * Edentulousness of the lower jaw.