The child is more than a year old, and only has a total of four upper and lower incisors, and the di

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If it is already "rotten hole," it is advisable to go to the hospital for an examination so that measures can be taken:

1.If the caries is saved, a filling can be performed.

2.If a filling is not possible, the denture will need to be replaced.

It's best to go to the hospital as soon as possible to see a dentist to make up for it, otherwise you will have unbearable pain when it extends to the dental nervous system.

In terms of the appearance of the teeth, the teeth are composed of three parts: the crown, the root and the neck. The crown is the part of the outer layer of the tooth that is covered by enamel and is the main part that performs the masticatory function. The root is the part of the outer layer of the tooth that is covered by the cementum and is also the supporting part of the tooth; Some teeth have a single root, some have multiple teeth, and the tip of each root is called the apex; Each apex has a small hole through the pulp vascular nerve called the apical foramen; Normally, the root of the tooth is completely embedded in the alveolar bone.

The junction between the crown and the root of the tooth is in an arc-shaped curve, called the neck, also known as the neck margin or neckline.

From the cross-section of the tooth, the tooth body is composed of four layers: enamel, cementum, dentin and pulp. Tooth enamel forms the surface layer of the crown and is a translucent white hard tissue, the hardest tissue that is highly calcified in the tooth tissue. Cementum is the yellowish hard tissue that forms the surface of the tooth root.

Dentin forms the main body of the tooth and is located in the inner layer of the enamel and cementum, which is not as hard as the enamel, and there is a cavity in it called the pulp cavity. The pulp is a honeycomb that fills the pulp cavity and contains blood vessels, nerves, and lymph. It is the only soft tissue in the tooth tissue.

According to the morphological characteristics and functional characteristics of teeth, teeth are divided into four categories: incisors, canines, bicuspids, and molars. The incisors are located in the front of the oral cavity, with a total of 8 left, right, upper and lower teeth, and the crown of the adjacent tooth is wedge-shaped, with a thick neck and thin incision margin, and its main function is to cut off food, which is a single root. The canine teeth, commonly known as canines, are located at the corners of the mouth, with a total of 4 left, right, upper and lower, the crown is still wedge-shaped, and there is a protruding cusp on the incisal margin, the main function is to puncture and tear food, and it is a single root that grows up stout and grows.

Bicuspid teeth, also known as premolars, are located behind the canines and before the molars, with a total of 8 left, right, upper and lower, the crown is cubic, there is a occlusal surface, there are generally double cusps on it, and the second bicuspid of the lower jaw has three cusps, the main function is to assist the canines to tear food and assist the grinding teeth to crush food, the tooth root is flattened, and there are also bifurcated people. Molars are located behind the bicuspids, left, right, upper and lower, a total of 12, the crown is large, cubic, there is a wide occlusal surface, there are 4 5 cusps on it, the main function is to grind food, generally the maxillary molars are three, and the mandibular molars are double.

Teeth are divided into baby teeth and permanent teeth based on how long they have been present in the mouth. Baby teeth begin to erupt in 7 or 8 months after birth, and all the baby teeth erupt around the age of 20 to years, and the baby teeth gradually fall out and are replaced by permanent teeth, which is called the replacement period or mixed dentition.

Therefore, the time of baby teeth in the oral cavity is 5 to 10 years. Around the age of the deciduous teeth, the occlusion period is the period. Permanent teeth are the second set of dentition after the loss of baby teeth, which will not fall out unless due to disease or accidental injury, and there is no tooth to erupt and replace after loss.

The first permanent molars begin to develop from the embryo in April and begin to erupt at the age of 6 years, and are the first permanent teeth to erupt and do not replace any baby teeth. 12 After the age of 13, all the baby teeth fall out, which is called the occlusion period of permanent teeth.

It's okay, a lot of barmates' pigs have fallen off in the sticker bar It's okay, cut the grass short to make it easy to chew, and it is best to disinfect the place where the teeth fell out every day, and see the pigs and pigs eating, if you can't eat, use the irrigation.

The lost teeth will still be erupting, don't worry, as long as you feed the pig a little bit recently.

It's okay Dutch pigs are rodents Our pigs have lost their teeth at one time, but they will grow out The diet can be given as usual, and the food can be properly given and comforted Don't you give the Dutch pig staple food?

Are these two pigs of the same sex If not, they can't be kept together for the time being.

Hello, you'd better consult this question on the post bar, because there are more masters there, and there is a post from a doctor, I hope it can help you.