## 3 Results
### Fit Assessment Outcomes
\begin{table}
\begin{tabular}{c c c c c c} \hline \hline
**Study** & **Fit Assessment Method** & \begin{tabular}{c} **Fit Qualitative** \\ **Constructed** \\ **Outcome** \\ **Outcome Used** \\ \end{tabular} & \begin{tabular}{c} **Fit** \\ **Assessment** \\ **Location** \\ \end{tabular} & \
\begin{tabular}{c} **Fit Quantitative** \\ **Outcome** \\ **(Thickness \(\upmu\)m)** \\ \end{tabular} &
\begin{tabular}{c} **Protocols Studied** \\ **and Fit Results** \\ \end{tabular} \\ \hline
**[PERSON] et al., 2021** [61] & \begin{tabular}{c} QT \\ (Superimposition to STL design: \\ Color difference \\ map by CAE) \\ \end{tabular} & - & EF, OcR, MC & \
\begin{tabular}{c} PT6 (various \\ individual \\ results) \\ \end{tabular} &
\begin{tabular}{c} PT6 \textgreater{} PT4 \\ \end{tabular} \\ \hline
**[PERSON] \& [PERSON], 2016** [62] &
\begin{tabular}{c} QI (Visual \\ inspection; Patient \\ satisfaction) \\ \end{tabular} & Good (Satisfactory) & - & - & PT6 \\ \hline
**[PERSON] et al., 2020** [63] &
\begin{tabular}{c} Nd \\ \end{tabular} & - & - & - & - \\ \hline
**[PERSON] et al.,** 2017** [64] & \begin{tabular}{c} QT (Silicone \\ specimens: Digital \\ gauge, Contact, Visual score by \\ CAE) \\ \end{tabular} & - & \
\begin{tabular}{c} PT5 (Guidding \\ plates: 30 \(\upmu\)m, \\ MC:50 \(\upmu\)m, \\ Lingual bar: \\ 70 \(\upmu\)m); \\ PT1 (Guidding \\ plates: 140 \(\upmu\)m, \\ MC: 290 \(\upmu\)m, \\ Lingual bar: \\ 530 \(\upmu\)m \\ \end{tabular} &
\begin{tabular}{c} PT5 \textgreater{} PT1 \\ \end{tabular} \\ \hline
**[PERSON] et al., 2015** [65] &
\begin{tabular}{c} Nd \\ \end{tabular} & - & - & - \\ \hline
**[PERSON] et al., 2019** [66] & \begin{tabular}{c} QT (Silicone and \\ acrylic specimens: \\ Caliper) \\ \end{tabular} & - & OcR, MC & \
\begin{tabular}{c} PT4 \\ (300 \(\pm\) 40 \(\upmu\)m) \\ PT1 \\ (390 \(\pm\) 60 \(\upmu\)m) \\ \end{tabular} &
\begin{tabular}{c} PT4 \textgreater{} PT1 \\ \end{tabular} \\ \hline
**[PERSON] et al., 2020** [67] &
\begin{tabular}{c} QI (Visual \\ inspection, fit \\ checker paste) \\ \end{tabular} & Good (Good) & - & - & PT9 \\ \hline
**[PERSON] et al., 2023** [68] & \
\begin{tabular}{c} QT \\ (Superimposition to the STL design; \\ analysis by CAE \\ softwares \\ \end{tabular} & - & EF &
\begin{tabular}{c} PT6 \\ (124 \(\pm\) 110 \(\upmu\)m) \\ \end{tabular} & PT6 \\ \hline
**[PERSON] et al., 2021** [69] &
\begin{tabular}{c} QI: Visual \\ inspection \\ \end{tabular} & Good (Good) & - & - & PT6 \\ \hline
**[PERSON] \& [PERSON],** 2019** [70] &
\begin{tabular}{c} Nd \\ \end{tabular} & - & - & - & - \\ \hline
**[PERSON], 2020** [71] &
\begin{tabular}{c} QI: Visual \\ inspection \\ \end{tabular} & Good (Improved) & - & - & PT4 \\ \hline
**[PERSON] et al.,** 2021** [72] & \
\begin{tabular}{c} QT \\ (Superimposition to STL design) \\ \end{tabular} & - & EF, OcR, MC, &
\begin{tabular}{c} PT6 (140 \(\upmu\)m) \\ \end{tabular} & PT6 \\ \hline
**[PERSON]\&[PERSON],** 2022** [73] & \begin{tabular}{c} QT \\ specimens: Digital \\ microscope \\ \end{tabular} & - & EF, OcR, MC, & \begin{tabular}{c} PT3 (206 \(\upmu\)m), \\ PT4 (211 \(\upmu\)m), \\ PT6 (249 \(\upmu\)m), \\ PT1 (286 \(\upmu\)m) \\ \end{tabular} & \begin{tabular}{c} PT3 (206 \(\upmu\)m), \\ PT4 (211 \(\upmu\)m), \\ PT3 (8) PT4 \(\upmu\)m, \\ PT1 (286 \(\upmu\)m) \\ \end{tabular} & \begin{tabular}{c} PT3 \(\upmu\)m \\ PT4 (211 \(\upmu\)m), \\ PT6 (249 \(\upmu\)m), \\ PT1 (286 \(\upmu\)m) \\ \end{tabular} & \begin{tabular}{c} PT3 \(\upmu\)m \\ PT4 (211 \(\upmu\)m), \\ PT6 (249 \(\upmu\)m), \\ PT1 (286 \(\upmu\)m) \\ \end{tabular} & \begin{tabular}{c} PT3 \(\upmu\)m \\ PT4 (249 \(\upmu\)m), \\ PT1 (286 \(\upmu\)m) \\ \end{tabular} & \begin{tabular}{c} PT4 \(\upmu\)m \\ PT4 (211 \(\upmu\)m), \\ PT3 (249 \(\upmu\)m), \\ PT1 (286 \(\upmu\)m) \\ \end{tabular} & \begin{tabular}{c} PT6 \(\upmu\)m \\ PT4 (211 \(\upmu\)m), \\ PT6 (249 \(\upmu\)m), \\ PT1 (286 \(\upmu\)m) \\ \end{tabular} & \begin{tabular}{c} PT6 \(\upmu\)m \\ PT4 (211 \(\upmu\)m), \\ PT3 (249 \(\upmu\)m), \\ PT1 (286 \(\upmu\)m) \\ \end{tabular} & \
\begin{tabular}{c} PT6 \(\upmu\)m \\ PT6 (249 \(\upmu\)m), \\ PT1 (286 \(\upmu\)m) \\ \end{tabular} &
\begin{tabular}{c} PT6 \(\upmu\)m \\ PT1 (286 \(\upmu\)m) \\ \end{tabular} \\ \hline \hline \end{tabular}
\end{table}