Abstract
Objective: To analyze the amount of crestal bone loss of the mandible around implants of different diameters one year after implantation. Material and Methods: The study included a total of 42 male and female patients. A total of 73 implants were evaluated (12 implants of diameter 3.5 x 10 mm and 61 implants of diameter 4.0 x 8 mm). Dental panoramic radiographs were made before surgery, immediately after surgery and one year later. The measurements were performed using Kodak dental software 6.11.7.0 after implantation and one year later. The data were analyzed using the IBM SPSS v.17 software package (descriptive statistics, paired samples t-test). Results: Among male patients, 43.5% were smokers, while among females, 57.9% were nonsmokers. Crestal bone resorption was greater mesially than distally, although differences were not statistically significant (p<0.05). Conclusion: All implants showed successful tissue integration. Crestal bone resorption was greater mesially than distally, although differences were not statistically significant.
Highlights
The American Dental Association Council on Dental Materials, Instruments and Equipment states that consideration for endosteal implant should be given for the assessment of durability, bone loss, gingival health, pocket depth, effect on adjacent teeth, function, esthetics, presence of infection, discomfort, paresthesia, or anesthesia, intrusion on the mandibular canal and patient emotional and psychological attitude and satisfaction [1].The amount of crestal bone loss during the first year may affect the sulcus depth and environment for the implant longevity
Crestal bone loss has been described in the crestal region of successfully osseointegrated implants, regardless of surgical approaches, and can range from loss of marginal bone to complete implant failure [2,3,4,5]
The clinical success and longevity of endosteal dental implants are largely controlled by the health of the surrounding crestal region of bone and soft tissues [1]
Summary
The amount of crestal bone loss during the first year may affect the sulcus depth and environment for the implant longevity. The crest module of an implant is the portion designed to retain the prosthetic component in a two-piece system. It represents the transition zone from the implant body design to the transosteal region of the implant at the crest of the ridge [1]. Crestal bone loss has been described in the crestal region of successfully osseointegrated implants, regardless of surgical approaches, and can range from loss of marginal bone to complete implant failure [2,3,4,5].
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