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Updated: Oct 28, 2026
Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition
Published on: February 23, 2024
Effectiveness of using bite turbos on temporary implant crowns for intrusion in clear aligner therapy: a clinical
Goda Jarmakienė1, Robertas Kirlys2, Giorgio Oliva3
1Private Practice Ordoline Clinic, Vilnius, LT-03162, Lithuania. goda.jarmakiene@gmail.com.
Objective:
This retrospective study aimed to evaluate whether aligner-incorporated bite turbos placed on implant-supported temporary crowns improve the predictability of maxillary molar intrusion during clear aligner treatment (CAT).
Methods:
80 adult patients treated with clear aligners were included and divided into two groups: no-BT (n = 45) and bite turbo (BT) (n = 35). Digital models were superimposed using palatal rugae-based registration in OnyxCeph (Image Instruments, Chemnitz, Germany). Planned and achieved intrusion, lack of correction, and molar inclination were analyzed. Intra- and inter-examiner reliability were assessed using the intraclass correlation coefficient (ICC).
Results:
No statistically significant differences were observed between BT and control groups in planned intrusion (p = 0.184), lack of correction (p = 0.953), or achieved inclination (p = 0.137).
Conclusions:
Within the limitations of this retrospective study, aligner-incorporated bite turbos on temporary prosthetic crowns did not significantly improve elongated maxillary molar intrusion during clear aligner therapy.
