In proper occlusion the midline of the top teeth lines up with the middle of your upper lip and nose. An open bite when the back teeth are closed but the front teeth dont meet or when the front teeth meet but the back teeth dont touch.
A deep bite when top teeth completely cover the bottom teeth.
Are front teeth supposed to touch. No your front teeth or any of your teeth should not touch when you are speaking. We use out teeth to help form the sounds required for clear speech. This means your teeth and your tongue will touch very frequently while youre speaking however your teeth should never be touching.
Contrary to received wisdom human front teeth should not meet edge to edge. The reason is that they are not pincers they are shears or scissors. To shear they have to overlap.
The degree to which they overlap is called overbite and it shoul. Basically the teeth which are placed at the back posteriorly are suppose to touch while in rest position and if front teeth anteriorly are touched first then its not normal as it can lead to many dental problem such as sensitivity and bone loss and gradually your teeth will become mobile. Ideally the teeth that should touch when you bite are your molars.
Of course you may use your incisors and front teeth to tear food but you should generally use your molars to do most of the heavy work. When resting the molars should lightly touch. Think about it when you bite off your food or youre chewing the teeth themselves are not touching each other they are simply masticating the food.
That leaves the rest of the time in your life. In order for your teeth to touch the main large chewing muscles on the sides of your face called the masseters and temporalis have to contract. Not sure why youre down-voted but yes that is class 1 normal occlusion.
And to answer OPs question if your jaw muscles are relaxed your teeth dont have to touch. However when you clench they should touch. When you chew the side that you chew with touches.
For the perfect teeth all teeth should touch without any space or overlapping between them. Side View When you look at your teeth from the side the backs of the top front teeth need to be resting gently in front of your bottom teeth. The term open bite refers to a bite in which back teeth touch but front teeth on top and bottom are positioned outward in such a way that they do not touch one another.
This can result in a variety of side effects such as damaging the esthetic quality of your smile affecting your daily quality of life and placing excess stress on back teeth and jaw joints. An open bite when the back teeth are closed but the front teeth dont meet or when the front teeth meet but the back teeth dont touch. A deep bite when top teeth completely cover the bottom teeth.
A crossbite when the bottom teeth are outside of the top teeth. If an improper bite is not treated problems develop. Premature wear of teeth and.
In proper occlusion the midline of the top teeth lines up with the middle of your upper lip and nose. The midline of the bottom teeth lines up with the midline of the top teeth. When biting the back teeth touch and the top teeth overlap in front of the bottom teeth by a couple of millimetres.
Many factors impact the occlusion of our teeth. My jaws are not aligned at all and I have a major overbite. My back teeth touch but my front teeth hang completely over my bottom teeth hiding them almost completely.
There is also a gap between my front bottom teeth and top teeth. My lower jaw is pushed back. My tongues tends to rest on top of my bottom teeth behind my top teeth.
But to what extent do you want your lower teeth filed down. Do you want it so that the lowers and uppers dont touch when you bite down or something. The lower fronts should meet the backside of your upper fronts when you bite down.
Also there should be a little be of vertical overlap between them as shown in the pic below. Your dentist will ask you to relax your mouth and face muscles. Slightly open your mouth so that your back teeth are not touching.
The upper teeth should be completely relaxed. From this position your dentist will want to see about 1 or 2 millimeter of your front teeth showing. If none are showing your front teeth might be too short.
Id follow that advice. Teeth touch when youre putting the 13 posterior to roof of mouth because the force lifts your lower jaw up hence upper and lower teeth will touch. In the ideal bite the edges of the upper front teeth parallel the top of the lower lip.
Youll show too much gum tissue when you smile if your upper teeth are too long and wont show enough enamel if they are too short. When you close your mouth approximately one half to two thirds of the bottom teeth should be seen. No touching at rest.
The only time teeth should touch is when you are eating. They should not touch when you are at rest with your jaw held in a normal position. When you close in a normal position and your teeth touch they should touch with.
The front teeth will also have slight overlap and the middle of the face will correspond with the midline of the two front teeth. Everything is nice and balanced. Chewing occurs without interference and the cusps of the top teeth guide the tissues to protect the cheeks while the cusps of the lower teeth protect the tongue.
From this angle each tooth should be touching the one next to it with no spacing in between. Are front teeth supposed to be longer. In an ideal bite a persons two front teeth will generally be longer than their bottom teeth.
The aesthetics of proportion plays a part as well. Known in dentistry as the 78 percent width-length ratio. The teeth should not touch ever except when swallowing.
The soft fleshy part of the lower lip sits slightly over the tip of the lower front teeth and is gently sucked back in a relaxed posture. The top of the tongue rests against the roof of. I got a permanent bonded retainer last month and since then i noticed that occasionally my right top front tooth hits my right bottom front tooth while talking this is rather a soft hitting not a jamming or anything and happens only on s sounds not every time but let s say once in a 15 min conversation.
The outcome of any orthodontic treatment braces or invisalign should be 3 fold. 1 to move your teeth into better alignment 2 to create better facial balance meaning your lips and teeth in harmony and 3 make your bite better. Also when the upper and lower jaws move from side to side the front teeth should touch and the back teeth should not.
What differs among these theories is where the jaw or temporomandibular joint should be positioned during treatment. Top Dentists In Your Area.