Sentence examples for both retainer types are from inspiring English sources
Descriptive statistics for the survival time in both retainer types are shown in Table 1.
Retainer type was not an influencing factor in labial gingival recession, but age at the end of treatment was the greatest predictor[13].
Also, it was demonstrated that both retainer types remained longer in the mandibular arch, although the differences between the survival times of the maxillary and mandibular retainers were not statistically significant.
Both types are represented here.
Both types are found in most bones.
Both types are found throughout the world.
Both types are already emerging.
While the primary focus of this review was to compare the effectiveness of retainer types, it was also possible to generate epidemiological data on the risk of failure of fixed retainers based on the primary studies.
Both types were important.
Also, it was depicted that the mean survival time of the retainers in the mandibular arch was longer than that of the maxillary arch, regardless of the retainer type, though these differences were not statistically significant.
