Choosing an electric toothbrush for sensitive teeth is less about the largest mode count and more about how easily you can keep brushing gently and consistently. I put the Oral-B iO Series 5 first for its sensitive setting, pressure feedback, and useful travel bundle. The Oral-B iO Limited Simple Clean is a more stripped-back fit for shoppers who want a specifically named super-sensitive mode, while the Oral-B iO2 offers simple one-button operation and pressure alerts.
Get health and wellness essentials delivered free with Prime
- Fast, free delivery on millions of items
- Prime Video, Amazon Music and more included
- Member-only deals all year
The tradeoff is that these Oral-B picks use proprietary iO replacement heads, and the product details do not provide clear battery runtimes for every model. The JTF Sonic takes a different approach, with a long stated runtime and eight included heads, but less specific pressure-control information for sensitive gums. Below, I rank each option by how clearly its features support a gentle routine, then weigh convenience, disclosed details, and the compromises that may matter after purchase.
Key Takeaways
- The Oral-B iO Series 5 is my best overall choice because its sensitive mode, visual pressure feedback, app guidance, three included heads, and travel case form the most complete disclosed package.
- The Oral-B iO Limited Simple Clean and iO2 both name super-sensitive and gentle modes; the Limited Simple Clean adds a travel case, while the iO2 emphasizes one-button simplicity.
- The Oral-B iO Series 3 includes a Sensitive mode, pressure alerts, two spare heads, and a travel case, making it a strong middle ground without the Series 5’s five modes or app guidance.
- The JTF Sonic supplies five modes, eight heads, and a stated runtime of up to 45 days, but its description does not specify a pressure sensor and does not list a wall charging adapter.
- For sore or bleeding gums, a gentler toothbrush cannot diagnose the cause; persistent sensitivity or gum symptoms call for advice from a dental professional.
| Oral-B iO Series 5 Rechargeable Electric Toothbrush with Travel Case and 3 Brush Heads, Black |  | Best Overall | Cleaning modes: 5, including Sensitive and Whitening | Battery life: Up to 2 weeks | Timer: 2 minutes with 30-second quadrant intervals | VIEW LATEST PRICE | See Our Full Breakdown |
| Oral-B iO Limited Simple Clean Rechargeable Electric Toothbrush |  | Best for a Clearly Labeled Gentle Routine | Cleaning modes: 3: super-sensitive, gentle, daily clean | Pressure sensor: Slows brushing speed and signals red when brushing too hard | Timer: 2 minutes with 30-second alerts | VIEW LATEST PRICE | See Our Full Breakdown |
| Oral-B iO2 Rechargeable Electric Toothbrush, Dark Blue |  | Best for Beginners | Model: Oral-B iO2 | Cleaning modes: 3: super-sensitive, gentle, daily clean | Pressure sensor: Slows brushing and signals red when brushing too hard | VIEW LATEST PRICE | See Our Full Breakdown |
| Oral-B iO Series 3 Rechargeable Electric Toothbrush for Adults, Black, with 2 Brush Heads and Travel Case |  | Best Midrange Feature Balance | Brushing modes: 3: Daily Clean, Sensitive, and Whitening | Pressure sensor: Alerts when brushing pressure is too high | Timer: 2 minutes with 30-second quadrant intervals | VIEW LATEST PRICE | See Our Full Breakdown |
| JTF Sonic Electric Toothbrush for Adults and Kids with 5 Modes and 8 Brush Heads |  | Best for Long Stated Runtime and Included Heads | Brushing modes: 5 | Brush heads included: 8 | Battery runtime: Up to 45 days per charge | VIEW LATEST PRICE | See Our Full Breakdown |
| electric toothbrushes for sensitive teeth | Timer | Pressure sensor | Cleaning modes | Color |
|---|---|---|---|---|
| Oral-B iO Series 5 Rechargeabl | 2 minutes with 30-second quadrant intervals | Visual alerts for brushing pressure | 5, including Sensitive and Whitening | Black |
| Oral-B iO Limited Simple Clean | 2 minutes with 30-second alerts | Slows brushing speed and signals red when brushing too hard | 3: super-sensitive, gentle, daily clean | — |
| Oral-B iO2 Rechargeable Electr | 2 minutes with alerts every 30 seconds | Slows brushing and signals red when brushing too hard | 3: super-sensitive, gentle, daily clean | Dark blue |
| Oral-B iO Series 3 Rechargeabl | 2 minutes with 30-second quadrant intervals | Alerts when brushing pressure is too high | — | Black |
| JTF Sonic Electric Toothbrush | 2-minute smart timer | Not specified | — | — |
More Details on Our Top Picks
Oral-B iO Series 5 Rechargeable Electric Toothbrush with Travel Case and 3 Brush Heads, Black
I rank the Oral-B iO Series 5 first because it pairs a named sensitive mode with a visual pressure sensor and a two-minute timer with quadrant prompts. For a buyer who worries about pressing too hard, the pressure alert is more directly relevant than simply having several modes: it offers a cue to ease up during brushing. Its app-based guidance adds another layer for someone trying to improve coverage without compensating by scrubbing harder.
Compared with the iO Limited Simple Clean, the Series 5 offers five modes rather than three and includes app guidance, three heads, and a travel case. That makes it the more feature-rich choice, although the simpler model spells out its super-sensitive setting and describes how its sensor slows brushing speed when pressure is excessive. Compared with the iO Series 3, the Series 5 has more modes and app support, but both include a travel case and pressure feedback, so the extra functions may not matter to someone who wants a straightforward routine.
The stated battery life of up to two weeks is useful for travel planning, and the included refill-head case helps keep spare heads together. The tradeoff is ongoing dependence on replacement iO heads, which the product information says should be replaced every three months or sooner. I would pick this model for a buyer who values reminders and guidance as much as a gentle setting; I would skip the added complexity if a basic sensitive mode and pressure alert are enough.
Pros:- Sensitive mode plus four additional cleaning modes
- Visual pressure alerts help flag overly forceful brushing
- App guidance and quadrant timing support a more structured routine
- Includes three brush heads, a travel case, and a refill-head case
Cons:- Replacement iO brush heads need regular replacement
- App features may be unnecessary for buyers who prefer a basic brush
- Not recommended for children under age three
Best for: Adults with sensitive teeth who want a sensitive mode, visible pressure feedback, app guidance, and a travel-ready bundle.
Not ideal for: Buyers who want the simplest possible controls, do not plan to use app guidance, or want to avoid ongoing proprietary replacement-head purchases.
- Cleaning modes:5, including Sensitive and Whitening
- Battery life:Up to 2 weeks
- Timer:2 minutes with 30-second quadrant intervals
- Pressure sensor:Visual alerts for brushing pressure
- Included brush heads:3
- Included storage:Travel case and refill-head case
- App guidance:Brushing guidance with real-time support
- Color:Black
Our verdict“I rank the Series 5 first for buyers who want sensitive brushing support plus the clearest mix of pressure feedback, app guidance, and travel accessories.”
Oral-B iO Limited Simple Clean Rechargeable Electric Toothbrush
The iO Limited Simple Clean makes the shortlist for shoppers who want the gentlest settings spelled out plainly: its three modes are super-sensitive, gentle, and daily clean. That is a more focused mode list than the Series 5’s five choices, and may make it easier to choose a setting without sorting through options that are less relevant to comfort. Its pressure sensor is also described as slowing brushing speed and showing a red signal when the user presses too hard.
Against the iO2, both models list super-sensitive and gentle settings, pressure feedback, and a two-minute timer with 30-second alerts. The Limited Simple Clean adds a travel case and lists compatibility with several iO head types; the iO2 has one-button operation, which may appeal more to someone who values fewer controls. Compared with the Series 5, this model gives up the larger mode selection and app-based coaching, but its more limited feature set may suit buyers who want a direct, uncomplicated setup.
The main unknown is battery performance: the supplied description gives no runtime or charging-time figure, only a low-charge indicator. That makes it harder to judge how often it may need charging, especially for travel. Replacement heads are another ongoing ownership need. I would choose it for a buyer who prioritizes a specifically named super-sensitive mode and clear pressure cues over detailed battery documentation; I would favor the Series 5 if app coaching and stated battery life matter more.
Pros:- Three clearly named modes, including super-sensitive and gentle
- Pressure sensor slows brushing and signals red when pressure is excessive
- Two-minute timer with 30-second alerts
- Travel case and compatibility with several Oral-B iO replacement heads
Cons:- Battery runtime and charging time are not specified
- Replacement brush heads are required
- No app guidance or spare heads are listed
Best for: Sensitive-tooth shoppers who want named super-sensitive and gentle modes, pressure feedback, and a travel case without a larger set of extra features.
Not ideal for: Buyers who need a stated battery runtime or charging time, or who want included spare brush heads and app coaching.
- Cleaning modes:3: super-sensitive, gentle, daily clean
- Pressure sensor:Slows brushing speed and signals red when brushing too hard
- Timer:2 minutes with 30-second alerts
- Battery:Rechargeable, with low-charge indicator
- Battery runtime:Not specified
- Included accessories:Travel case
- Compatible heads:iO Ultimate Clean, Gentle Care, Radiant White, and Specialized Clean
Our verdict“I recommend the Limited Simple Clean when a clearly named super-sensitive setting matters more than app features or published battery-runtime details.”
Oral-B iO2 Rechargeable Electric Toothbrush, Dark Blue
The Oral-B iO2 is my beginner pick because it keeps the essential sensitivity-related controls easy to understand: three modes, a pressure sensor, and a timer that breaks brushing into 30-second sections. Its one-button operation should suit a buyer who does not want app coaching or a complicated interface. The named super-sensitive and gentle options also make its mode list more relevant to comfort than a generic set of settings.
Compared with the Limited Simple Clean, the iO2 offers a similarly focused combination of gentle modes and pressure feedback, but the Limited Simple Clean explicitly includes a travel case and names compatible replacement heads. The iO2’s clearest distinction is its one-button control. Compared with the Series 3, both have three modes and quadrant timing, but the Series 3 names its settings Daily Clean, Sensitive, and Whitening and includes two spare heads plus a travel case. The iO2’s description is more explicit about the sensor slowing brushing when pressure is too high.
Its pressure response is a practical plus: a red warning and reduced brushing speed give the user a prompt to ease off rather than continue scrubbing. Still, the product information does not provide a battery runtime or charging details, and the quoted plaque-removal comparison is against a regular manual toothbrush, not evidence about sensitivity or comfort. I would choose this model for uncomplicated controls and a named super-sensitive mode; I would look at the Series 5 if I wanted app guidance or clearer battery-life information.
Pros:- Three modes include super-sensitive and gentle settings
- Pressure sensor slows brushing and signals red when pressure is excessive
- Two-minute timer uses 30-second interval alerts
- One-button operation keeps controls straightforward
Cons:- Battery runtime and charging details are not provided
- No travel case or spare brush heads are listed
- Plaque-removal comparison is against a manual brush and does not establish a sensitivity benefit
Best for: First-time electric-toothbrush users who want one-button controls, a super-sensitive setting, and direct pressure feedback.
Not ideal for: Buyers who need a disclosed battery runtime, a travel case, included spare heads, or app-based brushing guidance.
- Model:Oral-B iO2
- Cleaning modes:3: super-sensitive, gentle, daily clean
- Pressure sensor:Slows brushing and signals red when brushing too hard
- Timer:2 minutes with alerts every 30 seconds
- Battery:Long-lasting rechargeable battery; runtime not specified
- Controls:One-button operation
- Color:Dark blue
- Brush heads and case:Not specified in the supplied product details
Our verdict“I would choose the iO2 as a simple first electric brush when easy controls and pressure feedback matter more than travel extras or battery specifications.”
Oral-B iO Series 3 Rechargeable Electric Toothbrush for Adults, Black, with 2 Brush Heads and Travel Case
The Oral-B iO Series 3 offers a useful middle ground: it names a Sensitive mode, includes pressure alerts, and comes with two spare brush heads and a travel case. For someone who wants a guided routine but does not need the Series 5’s five modes or app support, this is a more restrained package. Its 30-second quadrant intervals may also help divide attention across the mouth instead of lingering on one area with extra pressure.
Compared with the Series 5, the Series 3 has three modes rather than five and the supplied description does not mention app guidance or a stated battery runtime. In exchange, it retains the central sensitive-tooth aids—Sensitive mode, pressure alerts, and timed brushing—and still includes travel storage and extra heads. Compared with the iO2, the Series 3 specifies two heads and a travel case, while the iO2 describes its sensor response more specifically as slowing brushing and signaling red. A buyer choosing between them should weigh the Series 3’s bundle against the iO2’s simpler one-button operation.
The mode lineup includes Whitening as well as Sensitive and Daily Clean, but I would not treat a whitening setting as a reason to brush more firmly or longer when teeth are sensitive. Replacement heads still need regular attention; the product details recommend changing them every three months or sooner if worn. The battery is rechargeable lithium-ion, but no runtime is stated. I would pick this model for a balanced bundle and a clear Sensitive setting, and skip it if knowing time between charges is a priority.
Pros:- Sensitive mode alongside Daily Clean and Whitening
- Pressure alerts can flag overly forceful brushing
- Two-minute timer with 30-second quadrant intervals
- Includes two replacement heads and a travel case
Cons:- Replacement heads need regular replacement
- Battery runtime and charging time are not specified
- No app guidance is listed
Best for: Buyers who want a named Sensitive mode, pressure alerts, a travel case, and spare heads without needing five modes or app coaching.
Not ideal for: Shoppers who want a published battery runtime, extensive coaching features, or a model with the most clearly described pressure-slowing response.
- Brushing modes:3: Daily Clean, Sensitive, and Whitening
- Pressure sensor:Alerts when brushing pressure is too high
- Timer:2 minutes with 30-second quadrant intervals
- Battery:Lithium-ion rechargeable; runtime not specified
- Included brush heads:2 replacement heads
- Included storage:Travel case
- Recommended head replacement:Every 3 months or sooner if worn
- Color:Black
Our verdict“I recommend the Series 3 for shoppers seeking a practical Sensitive-mode bundle with spare heads and travel storage, without the Series 5’s extra modes and app layer.”
JTF Sonic Electric Toothbrush for Adults and Kids with 5 Modes and 8 Brush Heads
The JTF Sonic stands apart from the four Oral-B models by emphasizing a long stated battery runtime and a generous set of included brush heads. The product lists five modes, a two-minute timer, and up to 45 days of use per charge, plus eight heads. That combination may appeal to a household that wants fewer immediate head replacements and a brush that can travel without frequent charging. Its IPX7 water-resistance rating is another practical detail for bathroom use.
For sensitive teeth, though, the key comparison is not the mode count alone. Unlike the Oral-B iO Series 5, Limited Simple Clean, iO2, and Series 3, the supplied JTF details do not name a pressure sensor. Nor do they specifically identify a super-sensitive or gentle mode by name. Its five modes may offer choice, but without clearer descriptions of those settings or pressure feedback, I cannot rank it above the Oral-B options for someone whose main concern is avoiding forceful brushing.
The included eight heads and up to 45-day runtime are tangible strengths, while the missing charging adapter is a small but relevant setup gap: a DC cable is listed, but a wall adapter is not. The product’s plaque-removal and whitening benefits are claims rather than independently verified results, so I would not use them to infer a gentler experience. This is my pick for buyers who prioritize battery life and included heads and are comfortable without a documented pressure sensor; I would steer a pressure-conscious buyer toward an Oral-B model instead.
Pros:- Five brushing modes
- Includes eight brush heads
- Stated runtime of up to 45 days per charge
- IPX7 water resistance and a two-minute timer
Cons:- No pressure sensor is specified in the supplied details
- No charging adapter is listed, only a DC charging cable
- Plaque-removal and whitening benefits are product claims, not independently verified
Best for: Travelers or households who prioritize a stated long runtime, multiple modes, and a larger set of included brush heads.
Not ideal for: People who specifically need documented pressure feedback or clearly named sensitive and gentle modes to guide brushing.
- Brushing modes:5
- Brush heads included:8
- Battery runtime:Up to 45 days per charge
- Timer:2-minute smart timer
- Water resistance:IPX7
- Charging accessories:DC charging cable; adapter not listed
- Additional accessory:Brush head cover
- Pressure sensor:Not specified
Our verdict“I recommend the JTF Sonic for buyers prioritizing long stated runtime and included heads, but not as my first choice when pressure feedback is the main need.”
How We Picked
I ranked these five models for shoppers whose main goal is brushing comfortably without pressing too hard. My first priority was clear gentle-mode support: I gave more weight to products that explicitly name sensitive, super-sensitive, or gentle settings than to a larger mode count without a clear explanation. These labels do not guarantee a particular brushing feel, but they help buyers identify a setting intended for a lighter routine.
Next, I looked at pressure feedback and brushing guidance. A sensor that signals when pressure is excessive can help make a common habit easier to notice; a timer and quadrant alerts can support an even routine without encouraging extra scrubbing. App guidance may be useful for buyers who want coaching, but I treated it as an added convenience rather than a requirement.
I also compared practical ownership details: replacement-head compatibility, battery information, included heads, charging accessories, and travel storage. The Oral-B models provide pressure-sensing details and use iO-compatible heads, but replacement heads remain an ongoing purchase. JTF lists a long battery runtime and many heads, yet does not name a pressure sensor and does not list a charging adapter. When a specification was missing, I treated that as uncertainty rather than assuming a benefit.
This is a feature-based comparison using the product information supplied, not a claim of hands-on testing or clinical proof. I did not rank products by broad plaque-removal or whitening claims. Sensitive teeth can have different causes, so I focused on features that may help a buyer brush gently and consistently, while noting that product settings cannot replace dental advice.
| electric toothbrushes for sensitive teeth | Pressure sensor | Color | Battery |
|---|---|---|---|
| Oral-B iO Series 5 Rechargeabl | Visual alerts for brushing pressure | Black | — |
| Oral-B iO Limited Simple Clean | Slows brushing speed and signals red when brushing too hard | — | Rechargeable, with low-charge indicator |
| Oral-B iO2 Rechargeable Electr | Slows brushing and signals red when brushing too hard | Dark blue | Long-lasting rechargeable battery; runtime not specified |
| Oral-B iO Series 3 Rechargeabl | Alerts when brushing pressure is too high | Black | Lithium-ion rechargeable; runtime not specified |
| JTF Sonic Electric Toothbrush | Not specified | — | — |
Factors to Consider When Choosing Electric Toothbrushes For Sensitive Teeth
For sensitive teeth, I would compare the controls that shape daily brushing before looking at mode count or extra claims. A gentle setting can help you choose a lower-intensity routine, but the most useful set of features depends on whether you need a reminder to reduce pressure, a timer for even coverage, or practical details such as a known battery runtime. Use this guide to match those needs to the differences among these five brushes.
Give more weight to a named gentle mode
Mode labels provide a starting point, not a clinical promise. In this lineup, the iO Limited Simple Clean and iO2 explicitly name super-sensitive and gentle settings; the Series 3 names Sensitive; and the Series 5 includes a Sensitive mode among five options. JTF lists five modes but does not identify a super-sensitive or gentle setting in the supplied details. If you want a clearly labeled option, that distinction is more useful than simply counting modes.
Once you have a gentle setting, use it as directed and avoid treating whitening or daily-clean modes as a reason to press harder. If brushing triggers ongoing pain, sensitivity may have causes that a mode cannot address. Ask a dental professional for advice rather than relying on a toothbrush setting to solve persistent symptoms.
Pressure feedback can address force directly
Many people brush harder when they are trying to clean thoroughly, which can be uncomfortable for sensitive teeth and gums. A pressure sensor provides a cue to ease up. The iO2 and Limited Simple Clean describe a red signal and a reduction in brushing speed; the Series 5 describes visual alerts, while the Series 3 lists alerts when pressure is too high. These details make the Oral-B models more straightforward choices for buyers who want a reminder about force.
The JTF product information does not specify a pressure sensor. That absence does not prove it cannot be used gently, but it means buyers do not have the same documented feedback feature to rely on. If you tend to press hard without noticing, I would favor an Oral-B option with stated pressure alerts over a larger mode list.
Use a timer to support even, unhurried brushing
Each of the five brushes lists a two-minute timer, and the Oral-B models describe 30-second alerts or quadrant intervals. Those prompts can help divide time across four areas instead of rushing one side or repeatedly scrubbing a sensitive spot. A timer is a routine aid, not a reason to apply more pressure or keep brushing an area that hurts.
For shoppers who want extra guidance, the Series 5 adds app-based support. The other models described here do not list app guidance, which may be a benefit if you prefer a simpler setup. I would treat coaching as optional: pressure feedback and a timer may be enough to make a routine more controlled.
Check battery details against your routine
Battery information varies. The Series 5 lists up to two weeks, and the JTF lists up to 45 days per charge. The Limited Simple Clean and iO2 do not provide a runtime in the supplied details, while the Series 3 identifies a rechargeable lithium-ion battery without a stated duration. If you travel often or dislike frequent charging, the published figures may influence your choice, though actual use can differ.
Do not confuse a rechargeable battery description with a guaranteed time between charges. If a model does not publish runtime or charging time, treat that as an information gap and check the manufacturer’s current documentation before buying if it matters to you. Also check what is included: JTF lists a DC cable but not a charging adapter.
Plan for replacement heads and travel accessories
Included heads and cases affect convenience, but they do not remove the need for replacement parts. The Series 5 includes three heads, the Series 3 includes two, and JTF includes eight; the Limited Simple Clean and iO2 details do not list spare heads. The Oral-B models use compatible iO heads, so check replacement availability and the particular head style before choosing a brush.
Travel cases are listed with the Series 5, Limited Simple Clean, and Series 3. A case can keep the handle and accessories together, while a spare-head case is listed with the Series 5. JTF lists a head cover rather than a travel case. Think about what you actually carry: a larger head bundle may be useful at home, while a sturdy way to pack the handle may matter more on trips.
Do not treat cleaning claims as sensitivity evidence
Claims about plaque removal or whitening do not tell you whether a toothbrush will feel comfortable on sensitive teeth. The iO2 description includes a comparison with a regular manual toothbrush, while JTF’s plaque-removal and whitening statements are product claims rather than independently verified results in the supplied information. I ranked these brushes primarily by documented gentle modes, pressure feedback, and practical details—not by broad outcome promises.
If you are choosing between two models with suitable gentle modes, compare the controls, battery disclosures, included heads, and storage. If sensitivity is new, worsening, or paired with gum symptoms, a dental professional can help identify the cause and advise on care.
Frequently Asked Questions
Which toothbrush in this comparison is the best fit for sensitive teeth?
I rank the Oral-B iO Series 5 first overall because it combines a Sensitive mode, visual pressure alerts, quadrant timing, app guidance, and a stated battery runtime. If you mainly want an explicitly named super-sensitive setting, the Limited Simple Clean and iO2 are also strong candidates. The best fit depends on whether you value coaching and accessories, simple controls, or clear pressure feedback most.
Is a pressure sensor useful if my teeth are sensitive?
A pressure sensor can provide a cue when you press too hard, which may help you adjust your brushing habits. It does not diagnose the cause of tooth sensitivity or guarantee that brushing will be comfortable. In this group, the Oral-B models describe pressure alerts, and the iO2 and Limited Simple Clean also state that the brush slows and signals red under excessive pressure. JTF does not specify a sensor in the supplied details.
Should I choose a toothbrush with more cleaning modes?
Not by mode count alone. A named Sensitive, gentle, or super-sensitive setting is easier to match to your needs than a larger number of modes without descriptions. The Series 5 and JTF list five modes, but their details differ: Series 5 identifies Sensitive, while the supplied JTF information does not name a gentle mode. Choose based on the settings and controls that are actually described.
How often do these brush heads need replacing?
The Series 3 product details recommend replacing its heads every three months or sooner if they are worn, and the Series 5 listing also says replacement heads are needed every three months or sooner. The other supplied descriptions say replacement heads are required but do not give the same interval. Follow the instructions for the specific head you buy, and replace it sooner if it becomes visibly worn.
Can an electric toothbrush fix ongoing tooth sensitivity?
No toothbrush can identify or treat every cause of sensitivity. A gentle mode and pressure reminders may help you brush more comfortably, but persistent or worsening pain can have causes that need professional attention. If sensitivity continues, or you also have gum symptoms, contact a dentist for guidance rather than switching modes repeatedly or brushing more forcefully.
Conclusion
My overall pick is the Oral-B iO Series 5 for buyers who want a Sensitive mode, visual pressure feedback, app guidance, and the most complete travel bundle. Choose the Limited Simple Clean if its named super-sensitive setting and straightforward feature set suit you better than extra modes, or the iO2 if you want one-button operation and direct pressure cues. The Series 3 is the balanced choice for a Sensitive mode plus two spare heads and a case; the JTF Sonic is better suited to shoppers who prioritize a long stated runtime and a larger head bundle over documented pressure sensing.
Whichever model you choose, start with the gentlest setting that fits your needs, let the timer guide an even routine, and avoid pressing hard. If sensitivity persists, seek dental advice instead of expecting a toothbrush to resolve it.
