When patients start researching breast augmentation, the teardrop vs round implants question comes up early – and it tends to generate a lot of conflicting information. Marketing materials lean toward whichever implant type the writer is promoting. Forum posts offer strong opinions based on personal experience. The actual answer is more nuanced than either “teardrop is more natural” or “round gives more cleavage.”

This article explains what each implant shape actually does, how modern implant technology has changed the comparison, and what matters when choosing between them for your specific anatomy and goals.

What Round Implants Are

Round implants are symmetrical – the same width, height, and projection on all sides. Because they are equally full on the top as on the bottom, they tend to provide more upper pole fullness, which many patients describe as a “fuller” look.

Round implants have been available for decades, are well-studied, and have a long track record in terms of safety and long-term outcomes. They come in a wide range of profiles – low, moderate, moderate-plus, high, and extra-high – which determines how much they project forward relative to their base width.

Because round implants are perfectly symmetrical, implant rotation is not a concern. A round implant that rotates within the pocket looks the same as before it rotated.

What Teardrop (Anatomical) Implants Are

Teardrop implants – also called anatomical or form-stable implants – are shaped to mimic the natural breast profile: fuller toward the bottom, tapering toward the top. The idea is that a teardrop-shaped implant matches the natural contour of the breast more closely than a uniformly round implant.

Because they are not symmetrical, teardrop implants must stay properly oriented within the pocket. Rotation of an anatomical implant creates an unnatural result that requires surgical correction. Early generations of teardrop implants had higher rates of rotation, capsular contracture, and textured surface complications, which limited their appeal.

The introduction of sixth-generation implant technology has substantially changed this calculus.

How Motiva® Changes the Round vs Teardrop Comparison

At Partington Plastic Surgery, Marshall Partington MD FACS exclusively uses Motiva® silicone implants – and the Motiva® Ergo® design is central to understanding the current state of this comparison.

The Motiva® Ergo® implant has a gentle teardrop-shaped profile but behaves more like a round implant in terms of placement and stability. Its SmoothSilk® surface is engineered for biocompatibility rather than texture – the implant integrates with surrounding tissue naturally rather than relying on surface texture to hold position.

What this means in practical terms: the Ergo® design offers the natural, bottom-heavy contour of an anatomical implant without the rotation risk that has historically made teardrop implants problematic. The result is an implant that looks natural at rest, moves naturally when you move, and does not carry the complications associated with highly textured surfaces.

This is a meaningful shift from the older round vs teardrop implants debate. When the implant technology is right, the distinction becomes less about “which shape” and more about “what proportions and projection suit your anatomy.”

What “Natural-Looking” Actually Means

Both round and teardrop implants can look natural, and both can look unnatural – it depends entirely on implant selection relative to the patient’s anatomy.

The factors that determine a natural result are:

• Implant base width relative to chest wall width: An implant that matches the patient’s natural breast base width will look proportional; one that is too wide will look artificial regardless of shape.
• Projection: An implant that projects appropriately for the patient’s frame and goals looks natural; excessive projection on a patient with a narrow chest does not.
• Tissue coverage: Patients with adequate breast tissue and subcutaneous fat over the implant will see a more natural result than patients with very thin tissue coverage, where implant edges and surfaces are more visible.
• Placement: Above-the-muscle placement, as used in ON TOP® Rapid Recovery Breast Augmentation, works with the existing breast anatomy rather than distorting it with muscle compression.

At Partington Plastic Surgery, the goal of every consultation is to select an implant that fits the patient’s specific anatomy – not an implant that is generically considered “natural looking.”

Upper Pole Fullness: What Patients Actually Want

One of the most common reasons patients think they want round implants is upper pole fullness – that fuller appearance in the upper portion of the breast. It is worth understanding what drives upper pole fullness and whether implant shape is actually the primary factor.

Upper pole fullness depends primarily on:

• Implant projection (how much the implant protrudes forward)
• Implant height
• Placement above vs below the muscle

When implants are placed under the muscle (the under the muscle method), muscle compression flattens the upper pole, which is why many patients with submuscular implants see less upper pole fullness regardless of implant shape. When implants are placed above the muscle – as in the ON TOP® technique – muscle compression is not a factor, and the implant sits more naturally, with upper pole fullness determined by the implant profile rather than being flattened.

This is another area where the round vs teardrop implants distinction is less determinative than it might appear: in above-muscle placement, both implant shapes can produce upper pole fullness appropriate to the implant profile chosen.

Teardrop vs Round Implants: How to Think About It

Rather than approaching this as a binary choice, the more useful framework is:

Start with your anatomy. Chest width, existing breast tissue volume, skin elasticity, and breast base measurements determine which implant sizes and profiles are anatomically appropriate. Many of the options in those ranges are available in both round and anatomical designs.

Define your goal. More significant upper pole fullness? A gentler, sloped silhouette? Athletic frame with minimal existing tissue? Each goal points toward different implant characteristics – and implant shape is just one of those characteristics.

Consider implant technology. As noted above, the Motiva® Ergo® design makes the teardrop-specific benefits more accessible without the historical downsides. The choice of implant manufacturer and generation matters as much as shape.

Talk to your surgeon. The surgeon who has examined your specific anatomy and understands the biomechanics of different placements and implant designs is better positioned to recommend an implant than any general comparison.

Round Implants:Advantages and Considerations

Advantages:

• Longer track record, extensive safety data
• No rotation concern
• Wide range of available profiles and sizes
• Can create significant upper pole fullness at high profiles

Considerations:

• Can look round and convex rather than naturally sloped, particularly in patients with limited breast tissue
• High-profile round implants may not suit all body types
• In under the muscle method placement, upper pole may appear flat regardless of implant profile

Teardrop (Anatomical) Implants: Advantages and Considerations

Advantages:

• Matches natural breast contour
• Gentle upper slope, fuller lower pole – closely resembles natural breast shape
• Modern generation implants (e.g., Motiva® Ergo®) address historical rotation concerns

Considerations:

• Earlier textured designs associated with BIA-ALCL concerns – smooth-surface modern designs have a different risk profile
• Requires appropriate pocket formation and surgical technique to maintain orientation
• May not produce the upper pole fullness some patients are seeking

What Happens at a Consultation

When patients come in asking about teardrop vs round implants, the conversation quickly moves from “which shape” to “what result.” Measurements are taken. Goals are discussed. Anatomical considerations are mapped to what’s actually achievable.

At Partington Plastic Surgery, all augmentations use Motiva® implants – specifically chosen because their sixth-generation design, SmoothSilk® surface, and Ergo® profile represent the most sophisticated option currently available. Patients considering augmentation can examine implant samples and discuss how different sizes and profiles will look for their specific anatomy.

The practice serves patients from around the world who are specifically seeking the combination of ON TOP® Rapid Recovery Breast Augmentation and Motiva® implants – an approach that produces results that are natural-looking, rapid to recover from, and durable over time.

Frequently Asked Questions

Schedule Your Consultation

If you’re researching teardrop vs round implants and want an answer that’s specific to your anatomy rather than general, a consultation is the most useful step.

Marshall Partington MD FACS has performed breast augmentation for over 35 years and developed the ON TOP® Rapid Recovery Breast Augmentation technique specifically to improve both outcomes and recovery. He exclusively uses Motiva® implants chosen for their biocompatibility, natural movement, and low complication rates.

Book your consultation at Partington Plastic Surgery →

References

1. American Society of Plastic Surgeons. “Breast Implant Safety.” PlasticSurgery.org
2. Maxwell GP, Van Natta BW, Murphy DK, Slicton A, Bengtson BP. “Natrelle style 410 form-stable silicone breast implants: core study results at 6 years.” Aesthetic Surgery Journal. 2012;32(6):709–717. PubMed
3. Calobrace MB, Capizzi PJ. “The biology and evolution of cohesive gel and shaped implants.” Plastic and Reconstructive Surgery. 2014;134(1 Suppl):6S–11S. PubMed
4. Spear SL, Jespersen MR. “Breast implants: saline or silicone?” Aesthetic Surgery Journal. 2010;30(4):557–570. PubMed

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