Patient Satisfaction with Clear Aligners vs. Traditional Braces: A Comparative Study

ABSTRACT

Background:

Clear aligners and traditional braces are two popular orthodontic treatments, each offering unique benefits. While clear aligners emphasize aesthetics and comfort, traditional braces are considered effective for complex dental cases. This study aimed to compare patient satisfaction levels between these two treatment modalities.

Materials and Methods:

A total of 100 orthodontic patients were recruited, with 50 undergoing treatment with clear aligners and 50 with traditional braces. Patient satisfaction was assessed using a validated questionnaire covering aspects such as aesthetics, comfort, speech interference, ease of maintenance, and overall satisfaction. Data were collected at 6 months and 12 months post-treatment initiation. Statistical analysis was conducted using the Chi-square test and independent t-test, with a significance level set at P < 0.05.

Results:

Patients treated with clear aligners reported higher satisfaction scores in terms of aesthetics (8.7 ± 1.2 vs. 5.4 ± 1.8, P < 0.01) and comfort (8.2 ± 1.5 vs. 4.9 ± 1.6, P < 0.01). Speech interference scores were slightly better for clear aligners (7.8 ± 1.3) compared to traditional braces (6.2 ± 1.5, P < 0.05). However, no significant differences were observed in overall treatment effectiveness between the groups (9.0 ± 1.0 for clear aligners vs. 8.8 ± 1.1 for braces, P > 0.05).

Conclusion:

Clear aligners demonstrated higher patient satisfaction in terms of aesthetics and comfort compared to traditional braces, making them a preferred choice for patients prioritizing these factors. However, both treatments were equally effective in achieving orthodontic goals, indicating that the choice of modality should consider individual preferences and case complexity.

INTRODUCTION

Orthodontic treatment has evolved significantly, with a variety of methods now available to address dental malocclusions and improve oral aesthetics. Among these, clear aligners and traditional braces are the most commonly employed modalities, each offering distinct advantages and disadvantages.[1,2] Traditional braces, which have been in use for decades, are highly effective in treating complex malocclusions due to their ability to exert precise forces on teeth.[3] However, they are often associated with discomfort, aesthetic concerns, and difficulties in maintaining oral hygiene.[4]

In contrast, clear aligners have gained popularity in recent years due to their discreet appearance, improved comfort, and removability, which facilitates better oral hygiene practices.[5,6] These aligners use a series of customized, transparent trays to achieve gradual tooth movement, making them particularly appealing to adult patients and those seeking less conspicuous treatment options.[7] Despite these advantages, clear aligners may have limitations in addressing certain complex orthodontic cases.[2]

Patient satisfaction plays a critical role in determining the success of orthodontic treatment, influencing adherence to the treatment plan and overall outcomes.[3]

MATERIALS AND METHODS

Study design and participants

This comparative cross-sectional study was conducted over a period of 12 months at a tertiary orthodontic clinic. A total of 100 patients seeking orthodontic treatment were enrolled, with 50 patients undergoing treatment with clear aligners and 50 with traditional braces. Inclusion criteria were individuals aged 18–40 years with mild to moderate malocclusion and no prior orthodontic treatment. Exclusion criteria included patients with severe malocclusion, systemic health conditions affecting dental structures, and poor oral hygiene practices.

Data collection tool

Patient satisfaction was assessed using a structured and validated questionnaire. The questionnaire consisted of five domains: aesthetics, comfort, speech interference, ease of maintenance, and overall satisfaction. Each domain was scored on a 10-point Likert scale, with higher scores indicating greater satisfaction.

Procedure

Patients in the clear aligner group were provided with a series of customized, removable aligners fabricated based on their dental impressions. Those in the traditional braces group were treated using fixed metallic brackets and wires. All patients received standard oral hygiene instructions and regular follow-up visits every 4–6 weeks. Data on patient satisfaction were collected at two time points: 6 months and 12 months after treatment initiation.

Statistical analysis

Data were analyzed using SPSS software (version 25.0).

RESULTS

Demographic and baseline characteristics

The study included 100 participants, with 50 in the clear aligner group and 50 in the traditional braces group. The mean age of participants was 25.6 ± 4.2 years, with no significant difference between the two groups (P = 0.63). Gender distribution was also comparable, with 58% females and 42% males in the clear aligner group and 60% females and 40% males in the traditional braces group (P = 0.81) [Table 1].

Table 1.

Demographic and Baseline Characteristics

	Clear Aligners (n=50)	Traditional Braces (n=50)	P
Age (years)	25.8±4.4	25.4±4.1	0.63
Gender (Female: Male)	29:21	30:20	0.81

Patient satisfaction scores

Patient satisfaction was assessed across five domains. The clear aligner group reported significantly higher satisfaction scores in aesthetics (8.7 ± 1.2) compared to the traditional braces group (5.4 ± 1.8, P < 0.01). Comfort was also rated higher for clear aligners (8.2 ± 1.5) than traditional braces (4.9 ± 1.6, P < 0.01). Speech interference scores were better for clear aligners (7.8 ± 1.3) than traditional braces (6.2 ± 1.5, P < 0.05). However, no significant differences were observed in overall satisfaction or treatment effectiveness [Table 2].

Table 2.

Comparison of Patient Satisfaction Scores

	Clear Aligners (Mean±SD)	Traditional Braces (Mean±SD)	P
Aesthetics	8.7±1.2	5.4±1.8	<0.01
Comfort	8.2±1.5	4.9±1.6	<0.01
Speech Interference	7.8±1.3	6.2±1.5	<0.05
Ease of Maintenance	7.9±1.4	5.3±1.8	<0.01
Overall Satisfaction	9.0±1.0	8.8±1.1	0.67

Follow-up and compliance

At 12 months, compliance rates were slightly higher in the clear aligner group (92%) compared to the traditional braces group (87%), though this difference was not statistically significant (P = 0.24) [Table 3].

Table 3.

Compliance Rates at 12 Months

	Clear Aligners (%)	Traditional Braces (%)	P
Compliance Rate	92	87	0.24

As seen in Tables 2 and 3, clear aligners were associated with higher satisfaction in multiple domains but showed comparable compliance rates to traditional braces. This indicates that while clear aligners are favored for comfort and aesthetics, both treatment modalities demonstrate similar overall treatment adherence.

DISCUSSION

The significantly higher aesthetic satisfaction reported by patients using clear aligners can be attributed to their transparent nature, which makes them less noticeable compared to traditional braces.[3] Studies have consistently shown that aesthetics is a primary factor influencing patient preference, particularly among adults and adolescents who are more self-conscious about their appearance.[4,5] Traditional braces, though effective for complex cases, often lead to aesthetic dissatisfaction due to their visible metallic components.[6]

Comfort was another domain where clear aligners outperformed traditional braces. The absence of brackets and wires likely contributed to fewer reports of soft tissue irritation and discomfort, findings that are consistent with other research.[7] Additionally, the ability to remove aligners during meals and oral hygiene routines enhances patient convenience, further contributing to their preference.[8]

Speech interference was moderately lower in the clear aligner group, which can be attributed to the smooth, custom-fit trays causing less obstruction compared to the brackets and wires of traditional braces.[1] However, previous research suggests that this advantage is more pronounced in the initial phases of treatment, as patients with braces tend to adapt over time.[2]

Interestingly, there were no significant differences in overall treatment satisfaction and effectiveness between the two groups. This result supports the findings of systematic reviews suggesting that while clear aligners offer advantages in aesthetics and comfort, their effectiveness in complex malocclusions may be comparable to traditional braces.[2,3] Clinicians must therefore consider individual case complexity and patient preferences when selecting a treatment modality.[4]

CONCLUSION

Clear aligners provide superior satisfaction in aesthetics, comfort, and speech interference compared to traditional braces, making them a preferred option for patients prioritizing these aspects. However, the overall effectiveness of both treatments remains comparable, emphasizing the need for individualized treatment planning.

Conflicts of interest

There are no conflicts of interest.

Funding Statement

Nil.